2 𝑑 , 𝑑 1 . The spectrum of this operator consists of clusters of eigenvalues around the Landau levels. We give asymptotic formulas for the rate of accumulation of eigenvalues in these clusters. 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href="//www.newsama.com/journals/amp/" aria-label="Advances in Mathematical Physics">数学物理进展</一个>/<gydF4y2Ba一个class="sc-htpNat bUhGXt link sc-nrwXf kCVAWK breadCrumb" href="//www.newsama.com/journals/amp/contents/year/2009/" aria-label="2009">2009</一个>/<gydF4y2Ba年代p一个nclass="sc-eitiEO cWbOKB">文章</年代p一个n></d我v> <div class="threeColumn__ThreeColumnWrapper-sc-1bf4078-0 comSpQ threeColumnWrapper"> <div class="threeColumn__LeftWrapper-sc-1bf4078-1 fkVFlF leftWrapper"> <button type="button" class="sc-likbZx iAOkZc section__button " id="sectionButton"><span class="sc-htoDjs diutvq icon__dots dots__detector icon-colored _3n-7Ho7DlfjMlZbrRr9Q4a icon-themeable" title="" font-size="22"></span>文章部分</gydF4y2Babutton> <div class="sc-bGbJRg NxRXU static_contents__section_links links__hidden "> <div id="leftSectionMenu" class="sc-eLExRp jWsoil sc-jtRlXQ kkipbT left_section_menu"> <p>在本页面</p><年代p一个nclass="sc-ePZHVD dxfCqj grey" property="background-color" color="#D8D8D8"><a class="sc-htpNat bUhGXt link sc-bEjcJn JKlRH" href="#abstract" aria-label="">抽象的</一个></年代p一个n><年代pan class="sc-ePZHVD dxfCqj grey" property="background-color" color="#D8D8D8"><a class="sc-htpNat bUhGXt link sc-bEjcJn JKlRH" href="#introduction" aria-label="">介绍</一个></年代p一个n><年代pan class="sc-ePZHVD dxfCqj grey" property="background-color" color="#D8D8D8"><a class="sc-htpNat bUhGXt link sc-bEjcJn JKlRH" href="#references" aria-label="">参考</一个></年代p一个n><年代pan class="sc-ePZHVD dxfCqj grey" property="background-color" color="#D8D8D8"><a class="sc-htpNat bUhGXt link sc-bEjcJn JKlRH" href="#copyright" aria-label="">版权</一个></年代p一个n></d我v> </div> </div> <div class="threeColumn__ContentWrapper-sc-1bf4078-3 bbzREB contentWrapper"> <div class="threeColumn__Content-sc-1bf4078-4 jknsZc content"> <div class="articleContent__ArticleContentsWrapper-sc-2yl9jy-0 eSvjPB article_contents"> <div class="articleContent__ArticleContentsSectionsWrapper-sc-2yl9jy-1 jntdRu article_contents__sections_wrapper"> <div class="articleContent__ArticleWrapper-sc-2yl9jy-2 hAzjHP"> <div class="sc-hzNEM hNeCCc article_header_class"> <p class="sc-gmeYpB ctdkmR article_type">研究文章|<!-- -->开放获取</p><d我v class="sc-kZmsYB doGfnX article_citation"> 体积<!-- --> <!-- -->2009<!-- --> <span class="sc-iSDuPN ezntTT">|</年代p一个n>文章的ID<!-- --> <!-- -->873704<!-- --> <span class="sc-iSDuPN ezntTT">|</年代p一个n><一个class="sc-htpNat bUhGXt link sc-fZwumE dqIsrA" href="https://doi.org/10.1155/2009/873704" aria-label="Doi-link">https://doi.org/10.1155/2009/873704</一个></d我v> <div class="sc-kaNhvL kwRfSr article_full_citation"> <div class="sc-iBEsjs ezuwCV isHide"> <p>Mikael Persson.<!-- -->,<!-- --> <!-- -->"<年代p一个nclass="adjust-article-svg-size">偶维外Landau-Neumann hamilton函数的特征值渐近性</年代p一个n>",<!-- --><i>数学物理进展</我>,<!-- --> <!-- -->卷。<!-- -->2009<!-- -->,<!-- --> <!-- -->文章的ID<!-- -->873704<!-- -->,<!-- --> <!-- -->15<!-- --> <!-- --> <!-- --> <!-- -->页面<!-- -->,<!-- --> <!-- -->2009<!-- -->。<!-- --> <!-- -->https://doi.org/10.1155/2009/873704</p></d我v> <button class="sc-hSdWYo etauus sc-LKuAh fxGnqr" color="">显示引用</gydF4y2Babutton> </div> <h1 class="sc-iRbamj jZOxOO sc-RcBXQ kZecej article_title adjust-article-svg-size heading-title">偶维外Landau-Neumann hamilton函数的特征值渐近性</gydF4y2Bah1> </div> <div class="sc-gPzReC fMlAsT article_authors"> <hr class="sc-fHxwqH kHliir hr__author"> <span class=""><b>Mikael Persson.</gydF4y2Bab><a class="sc-htpNat bUhGXt link" href="mailto:" aria-label="Mail Option"><span class="sc-htoDjs kNoiZu sc-jrIrqw eeUyzW icon-colored _2zt-1j0LmaF8UjTQAM413G icon-themeable" title="" font-size="16"></span></a><sup>1</年代up></span> <div class="sc-iQtOjA llLcVY isHide"> <p><sup>1</年代up><span>查尔默斯理工大学数学科学系,Göteborg大学,412 96 Göteborg,瑞典</年代p一个n></p></d我v> <button class="sc-hSdWYo etauus sc-iybRtq clzRlh" color="">显示更多</gydF4y2Babutton> </div> <div class="articleContent__EditorWrapper-sc-2yl9jy-3 evMkvU"> <div class="articleContent__TextWrapper-sc-2yl9jy-8 fYrLtk"> <b>学术编辑器:</gydF4y2Bab>帕维尔报告》</d我v> <div class="articleContent__PublicationTimeLineWrapper-sc-2yl9jy-4 fjviok"> <div class="articleContent__PublcationCol-sc-2yl9jy-5 hgKieC notPublished"> <span class="articleContent__PublicationField-sc-2yl9jy-6 cIribm">收到了</年代p一个n><年代p一个nclass="articleContent__PublicationValue-sc-2yl9jy-7 khHUcu">2008年6月27日</年代p一个n></d我v> <div class="articleContent__PublcationCol-sc-2yl9jy-5 hgKieC notPublished"> <span class="articleContent__PublicationField-sc-2yl9jy-6 cIribm">接受</年代p一个n><年代p一个nclass="articleContent__PublicationValue-sc-2yl9jy-7 khHUcu">2008年10月22日</年代p一个n></d我v> <div class="articleContent__PublcationCol-sc-2yl9jy-5 hgKieC isPublished"> <span class="articleContent__PublicationField-sc-2yl9jy-6 cIribm">发表</年代p一个n><年代p一个nclass="articleContent__PublicationValue-sc-2yl9jy-7 khHUcu">2008年11月25日</年代p一个n></d我v> </div> </div> <article class="sc-jeCdPy jsyicZ article_body "> <div> <div class="xml-content"> <h4 class="header" id="abstract">抽象的</gydF4y2Bah4> <p>研究了中紧致域外具有恒定磁场的Schrödinger算符<年代vg height="13.775" id="M1" style="vertical-align:-0.0pt;width:24.362499px;" version="1.1" viewbox="0 0 24.362499 13.775" width="24.362499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.775)"> <g transform="translate(72,-60.98)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.61,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="12.3" id="M2" style="vertical-align:-1.29163pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 12.3" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,12.3)"> <g transform="translate(72,-62.16)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> ≥</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>。该操作员的频谱由地兰水平周围的特征值簇组成。我们为这些集群中的特征值积累的速率提供渐近式。当紧凑型是Reinhardt域时,我们能够显示更精确的渐近式。</p><年代p一个nclass="end-abs"></span> <h4 id="introduction">1.介绍</gydF4y2Bah4> <p>Landau Hamiltonian描述了一种在平面中移动的带电粒子,受到恒定磁场强度的影响<年代vg height="11.0625" id="M3" style="vertical-align:-0.30096pt;width:38.200001px;" version="1.1" viewbox="0 0 38.200001 11.0625" width="38.200001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.165419" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.205809" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>正交于平面。这是一个经典的结果,参见[<一个href="#B3">1</一个>,<一个href="#B6">2</一个>],Landau Hamiltonian的光谱由无限的简并的特征值组成<年代vg height="13.55" id="M4" style="vertical-align:-2.29482pt;width:61.849998px;" version="1.1" viewbox="0 0 61.849998 13.55" width="61.849998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.55)"> <g transform="translate(72,-61.16)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.7020884" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.865587" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.117086" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.619127" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="38.959347" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="45.21085" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="13.55" id="M5" style="vertical-align:-2.29482pt;width:87.887497px;" version="1.1" viewbox="0 0 87.887497 13.55" width="87.887497" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.55)"> <g transform="translate(72,-61.16)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.1897049" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.230095" y="0"> 0</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.481594" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="32.695347" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="38.946846" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="44.148094" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="50.399593" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="55.613342" y="0"> ...</gydF4y2Batspan> </text> </g> </g> </svg>,称为朗道水平。</p><p>gydF4y2Ba在本文中,我们将在紧凑的障碍物之外研究偶数Landau Hamiltonian,在边界处施加磁性Numann条件。我们研究该运营商的动机主要来自论文[<一个href="#B5">3.</一个>,<一个href="#B10">4</一个>].在飞机中的外部Landau Hamiltonian的光谱特性在[<一个href="#B5">3.</一个>),重点讨论了本征函数的性质。一个更定性的研究是在[<一个href="#B10">4</一个>],其中作者在一个朗道水平周围定了一个区间,并描述该聚类中的特征值收敛到那个朗道水平的速度。它们只在平面上工作,并且只在狄利克雷边界条件下工作。本文的目的是当我们在边界上施加磁诺伊曼条件时,进行同样的定性描述。此外,我们不局限于平面,而是在任意的偶维欧几里德空间中工作。</p><p>gydF4y2Ba结果表明,两种边界条件的特征值都以相同的速度累积到朗道能级;看到定理<一个href="#thm3.2">3.2</一个>的细节。然而,在Neumann设置下,特征值只能从下面累积到朗道水平。在狄利克雷情况下,它们只从上面累积。</p><p>gydF4y2Ba应该提到的是,我们假设移除的紧凑型集没有孔,其边界是光滑的。这比[中的紧凑型条件更严格<一个href="#B10">4</一个>].</p><p>gydF4y2Ba近年来,人们研究了朗道哈密顿量的几种不同的微扰;参见[<一个href="#B10">4</一个>- - - - - -<一个href="#B13">11</一个>].它们都有一个共同的想法,那就是对一个谱渐近性已知的托普利兹型算子进行简化。我们也做这种还原。我们使用的方法是基于伪微分算子的理论和边界偏微分方程的方法,这是我们在上述任何一篇论文中都没有看到的。</p><p>gydF4y2Ba节<一个href="#sec2">2</一个>,我们定义了朗道哈密顿量,并给出了它的谱、特征空间和格林函数的一些辅助结果。</p><p>gydF4y2Ba我们开始部分<一个href="#sec3">3.</一个>通过定义具有磁诺伊曼边界条件的外朗道哈密顿量,给出并证明了主要定理(定理<一个href="#thm3.1">3.1</一个>和<一个href="#thm3.2">3.2</一个>)关于算子的谱渐近性。证明的主要部分,缩减步骤,是相当技术性的,因此移到节<一个href="#sec4">4</一个>。当简化步骤完成后,我们使用toeplitz型算子谱的渐近公式,如[<一个href="#B8">8</一个>,<一个href="#B4">10</一个>],在定理中获得渐近式<一个href="#thm3.2">3.2</一个>。</p><p>gydF4y2Ba在高维情况下(<年代vg height="13.775" id="M6" style="vertical-align:-0.0pt;width:24.362499px;" version="1.1" viewbox="0 0 24.362499 13.775" width="24.362499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.775)"> <g transform="translate(72,-60.98)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.61,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="11.0625" id="M7" style="vertical-align:-0.30096pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 11.0625" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>),我们也考虑紧致障碍为莱因哈特域的情况。我们使用来自[的一些想法<一个href="#B9">12</一个>]证明特征值更精确的渐近配方。这是在部分完成的<一个href="#sec5">5</一个>。</p><gydF4y2Bah4 id="the-landau-hamiltonian-in-ℝ2𝑑">2. Landau Hamiltonian<年代vg height="13.775" id="M8" style="vertical-align:-0.0pt;width:24.362499px;" version="1.1" viewbox="0 0 24.362499 13.775" width="24.362499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.775)"> <g transform="translate(72,-60.98)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.61,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg></h4> <p>我们表示<年代vg height="16.5375" id="M9" style="vertical-align:-2.21957pt;width:105.625px;" version="1.1" viewbox="0 0 105.625 16.5375" width="105.625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.5375)"> <g transform="translate(72,-58.77)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.339981" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.380369" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.543869" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-38.52,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-33.65,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> ...</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.79225" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.006001" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-1.77,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,8.29,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>一个点在<年代vg height="13.775" id="M10" style="vertical-align:-0.0pt;width:24.362499px;" version="1.1" viewbox="0 0 24.362499 13.775" width="24.362499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.775)"> <g transform="translate(72,-60.98)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.61,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。让<年代vg height="11.0625" id="M11" style="vertical-align:-0.30096pt;width:38.200001px;" version="1.1" viewbox="0 0 38.200001 11.0625" width="38.200001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.165419" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.205809" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>和表示<年代vg height="20.237499" id="M12" style="vertical-align:-0.0pt;width:13.9px;" version="1.1" viewbox="0 0 13.9 20.237499" width="13.9" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,20.2375)"> <g transform="translate(72,-55.81)"> <text transform="matrix(1,0,0,-1,-70.49,65.55)"> <tspan style="font-size: 8.75px; " x="0" y="0"> →</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-69.58,56.29)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>磁矢量势<年代p一个nclass="displayed-label" id="eq001"><span altimg="C:\WINDOWS\Temp\MMLIMG61441.png" baseline="18" class="displayed" height="44" id="M13" width="517"></span></span>它对应的是一个强度恒定的各向同性磁场<年代vg height="10.325" id="M14" style="vertical-align:-0.0pt;width:11.625px;" version="1.1" viewbox="0 0 11.625 10.325" width="11.625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。Landau Hamiltonian<年代vg height="10.325" id="M15" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在<年代vg height="13.775" id="M16" style="vertical-align:-0.0pt;width:24.362499px;" version="1.1" viewbox="0 0 24.362499 13.775" width="24.362499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.775)"> <g transform="translate(72,-60.98)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.61,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>描述均匀磁场中的带电无自旋粒子。它是由<年代p一个nclass="displayed-label" id="eq002"><span altimg="C:\WINDOWS\Temp\MMLIMG61445.png" baseline="6" class="displayed" height="27" id="M17" width="101"></span></span>并且基本上是在集合上自伴随的<年代vg height="19.200001" id="M18" style="vertical-align:-4.35121pt;width:57.262501px;" version="1.1" viewbox="0 0 57.262501 19.200001" width="57.262501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.2)"> <g transform="translate(72,-56.64)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.56,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∞</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="-1" y="9.21"> 0</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.96,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-40.45,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-30.4,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>在通常的希尔伯特空间<年代vg height="17.674999" id="M19" style="vertical-align:-3.13504pt;width:86.900002px;" version="1.1" viewbox="0 0 86.900002 17.674999" width="86.900002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.675)"> <g transform="translate(72,-57.86)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.928822" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.969212" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-35.12,57.91)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-30.25,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-16.74,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-6.69,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>。为了<年代vg height="13.6125" id="M20" style="vertical-align:-2.34499pt;width:76.887497px;" version="1.1" viewbox="0 0 76.887497 13.6125" width="76.887497" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.6125)"> <g transform="translate(72,-61.11)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.3269978" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.367388" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.618887" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="31.832638" y="0"> ...</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="46.411137" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="51.624886" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="58.276482" y="0"> ,</gydF4y2Batspan> </text> </g> </g> </svg>我们还引入了自伴随算子<年代p一个nclass="displayed-label" id="eq003"><span altimg="C:\WINDOWS\Temp\MMLIMG61449.png" baseline="21" class="displayed" height="51" id="M21" width="309"></span></span>在希尔伯特空间<年代vg height="19.725" id="M22" style="vertical-align:-4.77652pt;width:85.962502px;" version="1.1" viewbox="0 0 85.962502 19.725" width="85.962502" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.725)"> <g transform="translate(72,-56.22)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.48,57.91)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-51.58,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-30.69,57.91)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-25.82,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-12.32,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-7.44,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>。请注意,<年代vg height="21.125" id="M23" style="vertical-align:-5.97513pt;width:87.212502px;" version="1.1" viewbox="0 0 87.212502 21.125" width="87.212502" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,21.125)"> <g transform="translate(72,-55.1)"> <text transform="matrix(1,0,0,-1,-71.95,61.1)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.928822" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.969212" y="0"> ⊗</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-33.45,66.1)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="9.3199997"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="3.4045279" y="9.3199997"> =</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="9.3996477" y="9.3199997"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-19.17,61.1)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-6.71,57.98)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,<年代p一个nclass="displayed-label" id="eq004"><span altimg="C:\WINDOWS\Temp\MMLIMG61452.png" baseline="7" class="displayed" height="33" id="M24" width="492"></span></span></p> <h5 id="subsec2.1">2.1。Landau水平</gydF4y2Bah5> <p>每个二维朗道哈密顿量的谱<年代vg height="16.2875" id="M25" style="vertical-align:-4.77652pt;width:16.725px;" version="1.1" viewbox="0 0 16.725 16.2875" width="16.725" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2875)"> <g transform="translate(72,-58.97)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>由所谓的朗道能级,特征值组成<年代vg height="13.55" id="M26" style="vertical-align:-2.29482pt;width:61.849998px;" version="1.1" viewbox="0 0 61.849998 13.55" width="61.849998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.55)"> <g transform="translate(72,-61.16)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.7020884" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.865587" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.117086" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.619127" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="38.959347" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="45.21085" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="13.6125" id="M27" style="vertical-align:-2.29482pt;width:141.175px;" version="1.1" viewbox="0 0 141.175 13.6125" width="141.175" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.6125)"> <g transform="translate(72,-61.11)"> <text transform="matrix(1,0,0,-1,-71.95,63.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.1897049" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.230095" y="0"> ℕ</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="33.433022" y="0"> ∶</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="39.822056" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="51.862446" y="0"> {</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="57.863884" y="0"> 0</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="64.115387" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="69.316635" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="75.56813" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="80.781883" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="87.033386" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="92.247131" y="0"> ...</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="106.82563" y="0"> }</gydF4y2Batspan> </text> </g> </g> </svg>,每一个都有无限的多样性。让<年代vg height="17.725" id="M28" style="vertical-align:-3.24037pt;width:133.1125px;" version="1.1" viewbox="0 0 133.1125 17.725" width="133.1125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.725)"> <g transform="translate(72,-57.82)"> <text transform="matrix(1,0,0,-1,-71.74,61.1)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.200048" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.677562" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.717951" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.881451" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-37.42,57.98)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-32.55,61.1)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> ...</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.79225" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-5.32,57.98)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,0.35,61.1)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="7.6393328" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.667219" y="0"> ℕ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,28.76,66.1)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是一个多索引。我们表示<年代vg height="16.15" id="M29" style="vertical-align:-3.24037pt;width:119.1875px;" version="1.1" viewbox="0 0 119.1875 16.15" width="119.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.15)"> <g transform="translate(72,-59.08)"> <text transform="matrix(1,0,0,-1,-71.95,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.7006481" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.5006001" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.9148788" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.891313" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.931702" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-36.58,59.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-28.93,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.340221" y="0"> ⋯</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.769163" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="39.121887" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,17.62,59.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>多索引的长度<年代vg height="12.1125" id="M30" style="vertical-align:-0.17555pt;width:9.4125004px;" version="1.1" viewbox="0 0 9.4125004 12.1125" width="9.4125004" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,12.1125)"> <g transform="translate(72,-62.31)"> <text transform="matrix(1,0,0,-1,-71.74,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.200048" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>同时设置<年代vg height="16.15" id="M31" style="vertical-align:-3.24037pt;width:94.112503px;" version="1.1" viewbox="0 0 94.112503 16.15" width="94.112503" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.15)"> <g transform="translate(72,-59.08)"> <text transform="matrix(1,0,0,-1,-71.74,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.200048" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="7.214231" y="0"> !</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.453228" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.493616" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-38.81,59.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-33.94,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> !</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.238997" y="0"> ⋯</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.904776" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-6.6,59.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-0.92,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> !</gydF4y2Batspan> </text> </g> </g> </svg>。从(<一个href="#eq004">2.4</一个>)它遵循的是<年代vg height="10.325" id="M32" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>由无穷退化的特征值组成<年代p一个nclass="displayed-label" id="eq005"><span altimg="C:\WINDOWS\Temp\MMLIMG61461.png" baseline="25" class="displayed" height="59" id="M33" width="229"></span></span>请注意,<年代vg height="19.387501" id="M34" style="vertical-align:-7.17903pt;width:64.150002px;" version="1.1" viewbox="0 0 64.150002 19.387501" width="64.150002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.3875)"> <g transform="translate(72,-56.49)"> <text transform="matrix(1,0,0,-1,-71.95,63.52)"> <tspan style="font-size: 12.50px; " x="0" y="0"> λ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.9899998" y="5.0900002"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.7774487" y="5.0900002"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.18" y="-7.1054274e-015"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="32.207886" y="-7.1054274e-015"> λ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="41.200001" y="6.98"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="40.99995" y="6.98"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-23.53,63.79)"> <tspan style="font-size: 6.25px; " x="0" y="0"> ′</gydF4y2Batspan> </text> </g> </g> </svg>如果<年代vg height="16.9625" id="M35" style="vertical-align:-2.21957pt;width:54.924999px;" version="1.1" viewbox="0 0 54.924999 16.9625" width="54.924999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.9625)"> <g transform="translate(72,-58.43)"> <text transform="matrix(1,0,0,-1,-71.95,60.7)"> <tspan style="font-size: 12.50px; " x="0" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.7006481" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.5006001" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.9148788" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.891313" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.931702" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.644854" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.444805" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-34.08,67.01)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-30.61,60.7)"> <tspan style="font-size: 12.50px; " x="0" y="0"> |</gydF4y2Batspan> </text> </g> </g> </svg>。因此有了<年代vg height="10.325" id="M36" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>由这种形式的特征值组成<年代vg height="16.6" id="M37" style="vertical-align:-4.74141pt;width:102.35px;" version="1.1" viewbox="0 0 102.35 16.6" width="102.35" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.17,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.87,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.729975" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.893473" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="31.144974" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="41.534966" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="52.887691" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="59.539288" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="13.325" id="M38" style="vertical-align:-2.29482pt;width:39.9375px;" version="1.1" viewbox="0 0 39.9375 13.325" width="39.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.325)"> <g transform="translate(72,-61.34)"> <text transform="matrix(1,0,0,-1,-71.95,63.67)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.077658" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.118048" y="0"> ℕ</gydF4y2Batspan> </text> </g> </g> </svg>。</p><gydF4y2Bah5 id="subsec2.2">2.2.创造和湮灭算符</gydF4y2Bah5> <p>eIgenspaces的结构<年代vg height="10.325" id="M39" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>已经在[<一个href="#B8">8</一个>].我们给出的结果没有证明。引入复数符号是很方便的。让<年代vg height="16.6625" id="M40" style="vertical-align:-2.21957pt;width:135.27499px;" version="1.1" viewbox="0 0 135.27499 16.6625" width="135.27499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6625)"> <g transform="translate(72,-58.67)"> <text transform="matrix(1,0,0,-1,-71.95,60.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7023277" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.742718" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.906216" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-39.8,65.94)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-34.92,60.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> ...</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.79225" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.993498" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-3.68,65.94)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,2,60.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="7.6268301" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.667219" y="0"> ℂ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,30.49,66.1)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>, 在哪里<年代vg height="14.4125" id="M41" style="vertical-align:-0.51414pt;width:106.8625px;" version="1.1" viewbox="0 0 106.8625 14.4125" width="106.8625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.4125)"> <g transform="translate(72,-60.47)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.71,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-57.81,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-38.9,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="7.7805281" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="13.775648" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-17.47,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.340221" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.228654" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,4.64,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。此外,我们使用标量势<年代vg height="16.75" id="M42" style="vertical-align:-2.21957pt;width:116.3375px;" version="1.1" viewbox="0 0 116.3375 16.75" width="116.3375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.75)"> <g transform="translate(72,-58.6)"> <text transform="matrix(1,0,0,-1,-71.95,60.86)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.452748" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.616247" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.855244" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="29.482075" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="41.522465" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="50.087017" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="54.250519" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="62.952606" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="66.428436" y="0"> 4</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="72.679939" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="76.843437" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="79.34404" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="85.583038" y="0"> |</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,16.14,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> </g> </g> </svg>复导数<年代p一个nclass="displayed-label" id="eq006"><span altimg="C:\WINDOWS\Temp\MMLIMG61471.png" baseline="20" class="displayed" height="47" id="M43" width="460"></span></span></p> <p>我们定义创造和湮灭算符<年代vg height="18.1875" id="M44" style="vertical-align:-5.12378pt;width:17.2875px;" version="1.1" viewbox="0 0 17.2875 18.1875" width="17.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.1875)"> <g transform="translate(72,-57.45)"> <text transform="matrix(1,0,0,-1,-71.95,62.61)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.3,67.83)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∗</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="8.6899996"> </gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="16.700001" id="M45" style="vertical-align:-4.77652pt;width:16.475px;" version="1.1" viewbox="0 0 16.475 16.700001" width="16.475" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.7)"> <g transform="translate(72,-58.64)"> <text transform="matrix(1,0,0,-1,-71.95,63.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.3,60.32)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>作为<年代p一个nclass="displayed-label" id="eq007"><span altimg="C:\WINDOWS\Temp\MMLIMG62886.png" baseline="20" class="displayed" height="47" id="M46" width="355"></span></span>和注意,<年代p一个nclass="displayed-label" id="eq008"><span altimg="C:\WINDOWS\Temp\MMLIMG61475.png" baseline="12" class="displayed" height="33" id="M47" width="364"></span></span>的符号<年代vg height="18.1875" id="M48" style="vertical-align:-5.12378pt;width:17.2875px;" version="1.1" viewbox="0 0 17.2875 18.1875" width="17.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.1875)"> <g transform="translate(72,-57.45)"> <text transform="matrix(1,0,0,-1,-71.95,62.61)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.3,67.83)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∗</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="8.6899996"> </gydF4y2Batspan> </text> </g> </g> </svg>因为创建操作符的动机是它是的形式伴随<年代vg height="16.700001" id="M49" style="vertical-align:-4.77652pt;width:16.475px;" version="1.1" viewbox="0 0 16.475 16.700001" width="16.475" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.7)"> <g transform="translate(72,-58.64)"> <text transform="matrix(1,0,0,-1,-71.95,63.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.3,60.32)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在<年代vg height="11.1" id="M50" style="vertical-align:-0.1881pt;width:15.7125px;" version="1.1" viewbox="0 0 15.7125 11.1" width="15.7125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.1)"> <g transform="translate(72,-63.12)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> </text> </g> </g> </svg>。</p><p>gydF4y2Ba一个函数<年代vg height="7.1624999" id="M51" style="vertical-align:-0.11285pt;width:7.5374999px;" version="1.1" viewbox="0 0 7.5374999 7.1624999" width="7.5374999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,7.1625)"> <g transform="translate(72,-66.27)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>属于最低的朗道级别<年代vg height="14.725" id="M52" style="vertical-align:-3.25793pt;width:17.1875px;" version="1.1" viewbox="0 0 17.1875 14.725" width="17.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.725)"> <g transform="translate(72,-60.22)"> <text transform="matrix(1,0,0,-1,-71.95,63.52)"> <tspan style="font-size: 12.50px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.17,60.4)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>如果并且只有<年代vg height="16.700001" id="M53" style="vertical-align:-4.77652pt;width:51.087502px;" version="1.1" viewbox="0 0 51.087502 16.700001" width="51.087502" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.7)"> <g transform="translate(72,-58.64)"> <text transform="matrix(1,0,0,-1,-71.95,63.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.3,60.32)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-58.87,63.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.3897533" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.430141" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>为<年代vg height="13.6125" id="M54" style="vertical-align:-2.34499pt;width:73.912498px;" version="1.1" viewbox="0 0 73.912498 13.6125" width="73.912498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.6125)"> <g transform="translate(72,-61.11)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.3269978" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.367388" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.618887" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="31.832638" y="0"> ...</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="46.411137" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="51.624886" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。这意味着该功能<年代vg height="16.4375" id="M55" style="vertical-align:-2.34499pt;width:63.150002px;" version="1.1" viewbox="0 0 63.150002 16.4375" width="63.150002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.4375)"> <g transform="translate(72,-58.85)"> <text transform="matrix(1,0,0,-1,-71.95,61.23)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.402496" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-43.94,66.24)"> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-27.46,61.23)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是一个完整的函数,通过乘以<年代vg height="13.6875" id="M56" style="vertical-align:-0.13794pt;width:27.674999px;" version="1.1" viewbox="0 0 27.674999 13.6875" width="27.674999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.6875)"> <g transform="translate(72,-61.05)"> <text transform="matrix(1,0,0,-1,-71.95,61.23)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-66.39,66.24)"> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>特征空间<年代vg height="17.612499" id="M57" style="vertical-align:-5.41734pt;width:27.737499px;" version="1.1" viewbox="0 0 27.737499 17.612499" width="27.737499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.6125)"> <g transform="translate(72,-57.91)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℒ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-60.12,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.98,58.05)"> <tspan style="font-size: 6.25px; " x="0" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>对应于<年代vg height="14.725" id="M58" style="vertical-align:-3.25793pt;width:17.1875px;" version="1.1" viewbox="0 0 17.1875 14.725" width="17.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.725)"> <g transform="translate(72,-60.22)"> <text transform="matrix(1,0,0,-1,-71.95,63.52)"> <tspan style="font-size: 12.50px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.17,60.4)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>等同于福克空间</p><p><年代p一个nclass="displayed-label" id="eq009"><span altimg="C:\WINDOWS\Temp\MMLIMG61487.png" baseline="28" class="displayed" height="71" id="M59" width="441"></span></span>在这里,和其他地方,<年代vg height="10.95" id="M60" style="vertical-align:-0.12538pt;width:19.0375px;" version="1.1" viewbox="0 0 19.0375 10.95" width="19.0375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.95)"> <g transform="translate(72,-63.24)"> <text transform="matrix(1,0,0,-1,-71.95,63.41)"> <tspan style="font-size: 12.50px; " x="0" y="0"> d</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.2515001" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>表示勒贝格测度。一个函数<年代vg height="7.1624999" id="M61" style="vertical-align:-0.11285pt;width:7.5374999px;" version="1.1" viewbox="0 0 7.5374999 7.1624999" width="7.5374999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,7.1625)"> <g transform="translate(72,-66.27)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>属于特征空间<年代vg height="18.9375" id="M62" style="vertical-align:-6.47697pt;width:28.6px;" version="1.1" viewbox="0 0 28.6 18.9375" width="28.6" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.9375)"> <g transform="translate(72,-56.85)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℒ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-60.12,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.98,58.05)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>朗道级别的<年代vg height="16.5625" id="M63" style="vertical-align:-4.74141pt;width:18.387501px;" version="1.1" viewbox="0 0 18.387501 16.5625" width="18.387501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.5625)"> <g transform="translate(72,-58.75)"> <text transform="matrix(1,0,0,-1,-71.95,63.52)"> <tspan style="font-size: 12.50px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.17,60.4)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>如果并且只有它可以用形式编写<年代p一个nclass="displayed-label" id="eq0010"><span altimg="C:\WINDOWS\Temp\MMLIMG61492.png" baseline="21" class="displayed" height="51" id="M64" width="198"></span></span>在哪里<年代vg height="24.725" id="M65" style="vertical-align:-4.04408pt;width:156.58749px;" version="1.1" viewbox="0 0 156.58749 24.725" width="156.58749" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,24.725)"> <g transform="translate(72,-52.22)"> <text transform="matrix(1,0,0,-1,-71.95,56.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.13,61.52)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∗</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-54.06,56.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.3800001" y="-6.0599999"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.167449" y="-6.0599999"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.56" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.587887" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="31.751385" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-13.64,61.52)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∗</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="9.2200003"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-8.57,56.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-4.4,61.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,0.79,59.28)"> <tspan style="font-size: 6.25px; " x="0" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,7,56.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⋯</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.653276" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.816774" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,33.48,61.52)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∗</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="9.1499996"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,39.16,56.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,43.32,62.36)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,48.52,60.17)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="16.924999" id="M66" style="vertical-align:-5.27927pt;width:18.700001px;" version="1.1" viewbox="0 0 18.700001 16.924999" width="18.700001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.925)"> <g transform="translate(72,-58.46)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="7.1500001" y="5.0900002"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.9499521" y="5.0900002"> </gydF4y2Batspan> </text> </g> </g> </svg>都属于<年代vg height="18.7875" id="M67" style="vertical-align:-3.80708pt;width:23.1625px;" version="1.1" viewbox="0 0 23.1625 18.7875" width="23.1625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.7875)"> <g transform="translate(72,-56.97)"> <text transform="matrix(1,0,0,-1,-71.95,60.81)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℱ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-60.46,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="9.0100002"> </gydF4y2Batspan> </text> </g> </g> </svg>。每个特征值的多重性<年代vg height="16.5625" id="M68" style="vertical-align:-4.74141pt;width:18.387501px;" version="1.1" viewbox="0 0 18.387501 16.5625" width="18.387501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.5625)"> <g transform="translate(72,-58.75)"> <text transform="matrix(1,0,0,-1,-71.95,63.52)"> <tspan style="font-size: 12.50px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.17,60.4)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是无限的。我们表示<年代vg height="22.8125" id="M69" style="vertical-align:-9.76868pt;width:32.549999px;" version="1.1" viewbox="0 0 32.549999 22.8125" width="32.549999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,22.8125)"> <g transform="translate(72,-53.75)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-60.57,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-54.22,53.8)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.200048" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="18.9375" id="M70" style="vertical-align:-6.47697pt;width:28.025px;" version="1.1" viewbox="0 0 28.025 18.9375" width="28.025" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.9375)"> <g transform="translate(72,-56.85)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-60.57,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-54.43,58.05)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>投影到eIgenspaces上<年代vg height="22.8125" id="M71" style="vertical-align:-9.76868pt;width:33.112499px;" version="1.1" viewbox="0 0 33.112499 22.8125" width="33.112499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,22.8125)"> <g transform="translate(72,-53.75)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℒ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-60.12,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.77,53.8)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.200048" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="18.9375" id="M72" style="vertical-align:-6.47697pt;width:28.6px;" version="1.1" viewbox="0 0 28.6 18.9375" width="28.6" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.9375)"> <g transform="translate(72,-56.85)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℒ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-60.12,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.98,58.05)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,并由(<一个href="#eq2.2">2.16</一个>)表示正交分解<年代p一个nclass="displayed-label" id="eq0011"><span altimg="C:\WINDOWS\Temp\MMLIMG61501.png" baseline="17" class="displayed" height="48" id="M73" width="246"></span></span>在<年代vg height="11.1" id="M74" style="vertical-align:-0.1881pt;width:15.7125px;" version="1.1" viewbox="0 0 15.7125 11.1" width="15.7125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.1)"> <g transform="translate(72,-63.12)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> </text> </g> </g> </svg>。</p><gydF4y2Bah5 id="subsec2.3">2.3。解决方案</gydF4y2Bah5> <p>让<年代vg height="19.887501" id="M75" style="vertical-align:-4.74141pt;width:106.6625px;" version="1.1" viewbox="0 0 106.6625 19.887501" width="106.6625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.8875)"> <g transform="translate(72,-56.09)"> <text transform="matrix(1,0,0,-1,-71.95,60.86)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.7,57.74)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-54.33,60.86)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.191385" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.819176" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="39.159397" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="45.435902" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="52.562611" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,2.41,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>做…的解决者<年代vg height="10.325" id="M76" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="13.55" id="M77" style="vertical-align:-2.29482pt;width:35.174999px;" version="1.1" viewbox="0 0 35.174999 13.55" width="35.174999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.55)"> <g transform="translate(72,-61.16)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7398367" y="0"> ≥</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.780226" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>。一个核的显式公式<年代vg height="16.6" id="M78" style="vertical-align:-4.74141pt;width:50.974998px;" version="1.1" viewbox="0 0 50.974998 16.6" width="50.974998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.77,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-57.88,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.040149" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.241398" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>的<年代vg height="16.237499" id="M79" style="vertical-align:-4.74141pt;width:17.799999px;" version="1.1" viewbox="0 0 17.799999 16.237499" width="17.799999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.7,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在[<一个href="#B5">3.</一个>]为了<年代vg height="10.875" id="M80" style="vertical-align:-0.15048pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 10.875" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.875)"> <g transform="translate(72,-63.3)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>。节<一个href="#subsec4.2">4.2</一个>,我们将使用的行为<年代vg height="16.6" id="M81" style="vertical-align:-4.74141pt;width:50.974998px;" version="1.1" viewbox="0 0 50.974998 16.6" width="50.974998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.77,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-57.88,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.040149" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.241398" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>对角线附近<年代vg height="9.875" id="M82" style="vertical-align:-2.29482pt;width:35.862499px;" version="1.1" viewbox="0 0 35.862499 9.875" width="35.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,9.875)"> <g transform="translate(72,-64.1)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.339981" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.380369" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,引理如下所示。<年代p一个nclass="statement" id="lem2.1"><span class="statement-title">引理2.1。</年代p一个n><我><年代vg height="16.237499" id="M83" style="vertical-align:-4.74141pt;width:17.799999px;" version="1.1" viewbox="0 0 17.799999 16.237499" width="17.799999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.7,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是带核的积分算子吗<年代vg height="16.6" id="M84" style="vertical-align:-4.74141pt;width:50.974998px;" version="1.1" viewbox="0 0 50.974998 16.6" width="50.974998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.77,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-57.88,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.040149" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.241398" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>在对角线上具有以下奇点:</我><年代p一个nclass="displayed-label" id="eq2.1"><span altimg="C:\WINDOWS\Temp\MMLIMG62162.png" baseline="96" class="displayed" height="201" id="M85" width="470"></span></span><i>作为<年代vg height="13.55" id="M86" style="vertical-align:-2.29482pt;width:76.550003px;" version="1.1" viewbox="0 0 76.550003 13.55" width="76.550003" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.55)"> <g transform="translate(72,-61.16)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.5006001" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.152916" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.493137" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="29.694626" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="37.746555" y="0"> →</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="54.888168" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>。</我></年代p一个n></p> <p><span class="statement" id="proof1"><span class="statement-title"><i class="statement-title">证明。</我></年代p一个n>内核<年代vg height="16.6" id="M87" style="vertical-align:-4.74141pt;width:50.974998px;" version="1.1" viewbox="0 0 50.974998 16.6" width="50.974998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.77,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-57.88,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.040149" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.241398" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>的<年代vg height="16.237499" id="M88" style="vertical-align:-4.74141pt;width:17.799999px;" version="1.1" viewbox="0 0 17.799999 16.237499" width="17.799999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.7,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>可以写成<年代p一个nclass="displayed-label" id="eq0012"><span altimg="C:\WINDOWS\Temp\MMLIMG61517.png" baseline="10" class="displayed" height="40" id="M89" width="276"></span></span>既然变量是两两分开的,我们有<年代p一个nclass="displayed-label" id="eq0013"><span altimg="C:\WINDOWS\Temp\MMLIMG61518.png" baseline="25" class="displayed" height="59" id="M90" width="356"></span></span>的公式<年代vg height="13.6875" id="M91" style="vertical-align:-0.13794pt;width:30.5px;" version="1.1" viewbox="0 0 30.5 13.6875" width="30.5" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.6875)"> <g transform="translate(72,-61.05)"> <text transform="matrix(1,0,0,-1,-71.95,61.23)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-66.39,66.24)"> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-54.19,64.05)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-50.89,66.24)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>给出于[<一个href="#B16">13</一个>].它读了<年代p一个nclass="displayed-label" id="eq0014"><span altimg="C:\WINDOWS\Temp\MMLIMG61520.png" baseline="60" class="displayed" height="128" id="M92" width="477"></span></span>因此有<年代vg height="16.6" id="M93" style="vertical-align:-4.74141pt;width:50.974998px;" version="1.1" viewbox="0 0 50.974998 16.6" width="50.974998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.77,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-57.88,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.040149" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.241398" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>就变成了<年代p一个nclass="displayed-label" id="eq2.2"><span altimg="C:\WINDOWS\Temp\MMLIMG61522.png" baseline="26" class="displayed" height="67" id="M94" width="507"></span></span>在哪里<年代p一个nclass="displayed-label" id="eq0015"><span altimg="C:\WINDOWS\Temp\MMLIMG61523.png" baseline="24" class="displayed" height="54" id="M95" width="417"></span></span>扩大<年代vg height="13.45" id="M96" style="vertical-align:-2.21957pt;width:24.9125px;" version="1.1" viewbox="0 0 24.9125 13.45" width="24.9125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.45)"> <g transform="translate(72,-61.24)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.00144" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.164939" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.666259" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>显示,<年代p一个nclass="displayed-label" id="eq0016"><span altimg="C:\WINDOWS\Temp\MMLIMG62250.png" baseline="93" class="displayed" height="195" id="M97" width="453"></span></span>的(<一个href="#eq2.1">2.12</一个>)。</年代p一个n></p><h4 id="the-exterior-landau-neumann-hamiltonian-in-ℝ2𝑑">3.外朗道-诺依曼哈密顿函数<年代vg height="13.775" id="M98" style="vertical-align:-0.0pt;width:24.362499px;" version="1.1" viewbox="0 0 24.362499 13.775" width="24.362499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.775)"> <g transform="translate(72,-60.98)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.61,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg></h4> <p>让<年代vg height="14.1625" id="M99" style="vertical-align:-0.3135pt;width:55.662498px;" version="1.1" viewbox="0 0 55.662498 14.1625" width="55.662498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.1625)"> <g transform="translate(72,-60.67)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.990617" y="0"> ⊂</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.031006" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-37.57,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是具有光滑边界的单连通紧域<年代vg height="10.475" id="M100" style="vertical-align:-0.0pt;width:9.3000002px;" version="1.1" viewbox="0 0 9.3000002 10.475" width="9.3000002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.475)"> <g transform="translate(72,-63.62)"> <text transform="matrix(1,0,0,-1,-71.95,63.67)"> <tspan style="font-size: 12.50px; " x="0" y="0"> γ.</gydF4y2Batspan> </text> </g> </g> </svg>,让<年代vg height="17.237499" id="M101" style="vertical-align:-2.78387pt;width:83.662498px;" version="1.1" viewbox="0 0 83.662498 17.237499" width="83.662498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.2375)"> <g transform="translate(72,-58.21)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ω.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.765563" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.805952" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-37.8,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-24.96,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⧵</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.3022318" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。我们定义外部Landau-Neumann Hamiltonian<年代vg height="14.2375" id="M102" style="vertical-align:-3.13504pt;width:19.950001px;" version="1.1" viewbox="0 0 19.950001 14.2375" width="19.950001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>在<年代vg height="14.775" id="M103" style="vertical-align:-3.13504pt;width:83.050003px;" version="1.1" viewbox="0 0 83.050003 14.775" width="83.050003" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.775)"> <g transform="translate(72,-60.18)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.48,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-49,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-28.11,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-23.24,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> ω.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.465731" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>通过<年代p一个nclass="displayed-label" id="eq3.1"><span altimg="C:\WINDOWS\Temp\MMLIMG62252.png" baseline="7" class="displayed" height="28" id="M104" width="166"></span></span>与磁性诺伊曼边界条件<年代p一个nclass="displayed-label" id="eq3.2"><span altimg="C:\WINDOWS\Temp\MMLIMG62845.png" baseline="7" class="displayed" height="23" id="M105" width="230"></span></span>在这里<年代vg height="7.2375002" id="M106" style="vertical-align:-0.11285pt;width:7.9749999px;" version="1.1" viewbox="0 0 7.9749999 7.2375002" width="7.9749999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,7.2375)"> <g transform="translate(72,-66.21)"> <text transform="matrix(1,0,0,-1,-71.95,66.37)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>表示外部正常<年代vg height="10.475" id="M107" style="vertical-align:-0.0pt;width:9.3000002px;" version="1.1" viewbox="0 0 9.3000002 10.475" width="9.3000002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.475)"> <g transform="translate(72,-63.62)"> <text transform="matrix(1,0,0,-1,-71.95,63.67)"> <tspan style="font-size: 12.50px; " x="0" y="0"> γ.</gydF4y2Batspan> </text> </g> </g> </svg>。我们的目的是研究<年代vg height="14.2375" id="M108" style="vertical-align:-3.13504pt;width:19.950001px;" version="1.1" viewbox="0 0 19.950001 14.2375" width="19.950001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>不同于上一节讨论的Landau级别。下面的第一个定理表明<年代vg height="14.2375" id="M109" style="vertical-align:-3.13504pt;width:19.950001px;" version="1.1" viewbox="0 0 19.950001 14.2375" width="19.950001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>只能从下面累积到每个朗道水平。第二个定理说特征值确实从下面累积到朗道层,并给出了收敛速度。<年代p一个nclass="statement" id="thm3.1"><span class="statement-title">定理3.1。</年代p一个n><我>对于每一个<年代vg height="13.325" id="M110" style="vertical-align:-2.29482pt;width:39.9375px;" version="1.1" viewbox="0 0 39.9375 13.325" width="39.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.325)"> <g transform="translate(72,-61.34)"> <text transform="matrix(1,0,0,-1,-71.95,63.67)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.077658" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.118048" y="0"> ℕ</gydF4y2Batspan> </text> </g> </g> </svg>和每个<年代vg height="7.1875" id="M111" style="vertical-align:-0.13794pt;width:7.6875px;" version="1.1" viewbox="0 0 7.6875 7.1875" width="7.6875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,7.1875)"> <g transform="translate(72,-66.25)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="11.0625" id="M112" style="vertical-align:-0.30096pt;width:74.099998px;" version="1.1" viewbox="0 0 74.099998 11.0625" width="74.099998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 0</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7148314" y="0"> <</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.75522" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="31.282507" y="0"> <</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="43.322895" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="49.974491" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>的特征值的个数<年代vg height="14.2375" id="M113" style="vertical-align:-3.13504pt;width:19.950001px;" version="1.1" viewbox="0 0 19.950001 14.2375" width="19.950001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>在间隔内<年代vg height="16.6" id="M114" style="vertical-align:-4.74141pt;width:78.775002px;" version="1.1" viewbox="0 0 78.775002 16.6" width="78.775002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.01,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.18,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-39.19,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-30.59,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.340221" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.391672" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>是有限的。</我></年代p一个n></p> <p>表示由<年代vg height="21.0375" id="M115" style="vertical-align:-4.72992pt;width:98.287498px;" version="1.1" viewbox="0 0 98.287498 21.0375" width="98.287498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,21.0375)"> <g transform="translate(72,-55.17)"> <text transform="matrix(1,0,0,-1,-71.95,59.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-67.72,66.03)"> <tspan style="font-size: 8.75px; " x="-0.25" y="10.82"> 1</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.2356319" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-52.59,59.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ≤</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-36.33,66.03)"> <tspan style="font-size: 8.75px; " x="-0.25" y="10.82"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.2356319" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-21.2,59.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ≤</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.115887" y="0"> ⋯</gydF4y2Batspan> </text> </g> </g> </svg>的特征值<年代vg height="14.2375" id="M116" style="vertical-align:-3.13504pt;width:19.950001px;" version="1.1" viewbox="0 0 19.950001 14.2375" width="19.950001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>在间隔内<年代vg height="16.6" id="M117" style="vertical-align:-4.74141pt;width:66.525002px;" version="1.1" viewbox="0 0 66.525002 16.6" width="66.525002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.01,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.329968" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="11.325088" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-42.81,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-28.82,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-22.99,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>并通过<年代vg height="13.45" id="M118" style="vertical-align:-2.21957pt;width:60.650002px;" version="1.1" viewbox="0 0 60.650002 13.45" width="60.650002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.45)"> <g transform="translate(72,-61.24)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.640053" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.803552" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.080057" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.281305" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="32.157715" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="37.371468" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="44.248116" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>运营商的特征值数量<年代vg height="10.325" id="M119" style="vertical-align:-0.0pt;width:11.225px;" version="1.1" viewbox="0 0 11.225 10.325" width="11.225" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在间隔内<年代vg height="13.45" id="M120" style="vertical-align:-2.21957pt;width:32.237499px;" version="1.1" viewbox="0 0 32.237499 13.45" width="32.237499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.45)"> <g transform="translate(72,-61.24)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.440005" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.641253" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.517662" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>,计算多样性。同时,让<年代vg height="14.075" id="M121" style="vertical-align:-2.72116pt;width:47.625px;" version="1.1" viewbox="0 0 47.625 14.075" width="47.625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.075)"> <g transform="translate(72,-60.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> C</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.3395014" y="0"> 一个</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.890833" y="0"> p</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.142332" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.305832" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="33.833118" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>表示的对数容量<年代vg height="10.325" id="M122" style="vertical-align:-0.0pt;width:13.2875px;" version="1.1" viewbox="0 0 13.2875 10.325" width="13.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>;参见[<一个href="#B7">14</一个>, 第2章]。<年代p一个nclass="statement" id="thm3.2"><span class="statement-title">定理3.2。</年代p一个n><我>让<年代vg height="13.325" id="M123" style="vertical-align:-2.29482pt;width:39.9375px;" version="1.1" viewbox="0 0 39.9375 13.325" width="39.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.325)"> <g transform="translate(72,-61.34)"> <text transform="matrix(1,0,0,-1,-71.95,63.67)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.077658" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.118048" y="0"> ℕ</gydF4y2Batspan> </text> </g> </g> </svg>。</我><年代p一个nclass="list"><span class="list-item"><span class="list-label">(一)</年代p一个n><年代p一个nclass="list-content"><i>如果<年代vg height="10.875" id="M124" style="vertical-align:-0.15048pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 10.875" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.875)"> <g transform="translate(72,-63.3)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>然后<年代vg height="25.725" id="M125" style="vertical-align:-5.84473pt;width:276.97501px;" version="1.1" viewbox="0 0 276.97501 25.725" width="276.97501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,25.725)"> <g transform="translate(72,-51.42)"> <text transform="matrix(1,0,0,-1,-71.95,57.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> l</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="3.4758339" y="0"> 我</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.9516678" y="0"> 米</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.19,54.17)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.3824801" y="0"> →</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="14.948416" y="0"> ∞</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-27.55,57.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.0271664" y="0"> !</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.266163" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.429663" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,0.67,54.17)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,9.27,57.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.340221" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,24.84,63.4)"> <tspan style="font-size: 8.75px; " x="-0.25" y="10.29"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.2443838" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,36.5,57.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,44.83,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="6.8090558" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,59.54,57.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.191385" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.893473" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="28.369307" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="34.620808" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="38.784306" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="42.947803" y="0"> C</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="51.287308" y="0"> 一个</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="56.838638" y="0"> p</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="63.090137" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="67.253639" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="76.780922" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="80.94442" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,144.66,62.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> </g> </g> </svg>。</我></年代p一个n></年代pan><span class="list-item"><span class="list-label">(b)</年代p一个n><年代p一个nclass="list-content"><i>如果<年代vg height="11.0625" id="M126" style="vertical-align:-0.30096pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 11.0625" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>然后<年代vg height="19.9125" id="M127" style="vertical-align:-4.74141pt;width:347.48749px;" version="1.1" viewbox="0 0 347.48749 19.9125" width="347.48749" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.9125)"> <g transform="translate(72,-56.07)"> <text transform="matrix(1,0,0,-1,-71.95,60.85)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.640053" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.803552" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-48.37,57.72)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.329968" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="11.325088" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-32.17,60.85)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-18.18,57.72)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-9.58,60.85)"> <tspan style="font-size: 12.50px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.340221" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="18.104343" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.318094" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,22.59,57.72)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,29.6,60.85)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7148314" y="0"> ∼</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.843222" y="0"> (</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,59.69,65.7)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.329968" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="11.325088" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="15.981152" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="21.976273" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.6700001" y="9.2600002"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="10.326064" y="9.2600002"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="16.321184" y="9.2600002"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,88.13,60.85)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.3269978" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.578498" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="18.054333" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.705929" y="0"> !</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.944925" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="35.108425" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="39.271923" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="43.860523" y="0"> l</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="47.336357" y="0"> n</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="55.663357" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="62.427479" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="64.928078" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="70.491913" y="0"> l</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="73.967751" y="0"> n</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="82.307251" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="86.883347" y="0"> l</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="90.359184" y="0"> n</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="98.698685" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="105.46281" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="107.9634" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,200.27,66.1)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>作为<年代vg height="13.125" id="M128" style="vertical-align:-1.95624pt;width:39.549999px;" version="1.1" viewbox="0 0 39.549999 13.125" width="39.549999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.125)"> <g transform="translate(72,-61.5)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.227454" y="0"> ↘</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.281067" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>。</我></年代p一个n></年代pan></span><i></i></span></p> <h5 id="subsec3.1">3.1.定理的证明</gydF4y2Bah5> <p>我们想要比较算子的频谱<年代vg height="10.325" id="M129" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="14.2375" id="M130" style="vertical-align:-3.13504pt;width:19.950001px;" version="1.1" viewbox="0 0 19.950001 14.2375" width="19.950001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>。然而,表达<年代vg height="14.2375" id="M131" style="vertical-align:-3.13504pt;width:48.674999px;" version="1.1" viewbox="0 0 48.674999 14.2375" width="48.674999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.62779" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.968012" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-40.12,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>没有任何意义<年代vg height="10.325" id="M132" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="14.2375" id="M133" style="vertical-align:-3.13504pt;width:19.950001px;" version="1.1" viewbox="0 0 19.950001 14.2375" width="19.950001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>作用于不同的希尔伯特空间。我们引入希尔伯特空间<年代vg height="14.775" id="M134" style="vertical-align:-3.13504pt;width:84.400002px;" version="1.1" viewbox="0 0 84.400002 14.775" width="84.400002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.775)"> <g transform="translate(72,-60.18)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.48,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-48.14,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-27.25,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-22.38,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.690785" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>定义内部的朗道-诺依曼哈密顿量<年代vg height="14.2375" id="M135" style="vertical-align:-3.13504pt;width:21.025px;" version="1.1" viewbox="0 0 21.025 14.2375" width="21.025" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在<年代vg height="14.775" id="M136" style="vertical-align:-3.13504pt;width:25.5375px;" version="1.1" viewbox="0 0 25.5375 14.775" width="25.5375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.775)"> <g transform="translate(72,-60.18)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.48,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>用()中的相同公式<一个href="#eq3.1">3.1</一个>)和(<一个href="#eq3.2">3.2</一个>),但与<年代vg height="10.6875" id="M137" style="vertical-align:-0.0pt;width:11.75px;" version="1.1" viewbox="0 0 11.75 10.6875" width="11.75" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6875)"> <g transform="translate(72,-63.45)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>取而代之<年代vg height="10.325" id="M138" style="vertical-align:-0.0pt;width:13.2875px;" version="1.1" viewbox="0 0 13.2875 10.325" width="13.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。我们注意到,<年代vg height="14.775" id="M139" style="vertical-align:-3.13504pt;width:104.9625px;" version="1.1" viewbox="0 0 104.9625 14.775" width="104.9625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.775)"> <g transform="translate(72,-60.18)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.928822" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.969212" y="0"> ℋ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-31.51,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-20.86,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⊕</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.303192" y="0"> ℋ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,4.91,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>和定义<年代vg height="15.025" id="M140" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 15.025" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-71.04,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.91000003" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>作为<年代p一个nclass="displayed-label" id="eq0017"><span altimg="C:\WINDOWS\Temp\MMLIMG61569.png" baseline="7" class="displayed" height="28" id="M141" width="227"></span></span>逆<年代vg height="14.2375" id="M142" style="vertical-align:-3.13504pt;width:21.025px;" version="1.1" viewbox="0 0 21.025 14.2375" width="21.025" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>紧凑,所以<年代vg height="14.2375" id="M143" style="vertical-align:-3.13504pt;width:21.025px;" version="1.1" viewbox="0 0 21.025 14.2375" width="21.025" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在每个间隔中最多有一个有限数量的特征值<年代vg height="16.6" id="M144" style="vertical-align:-4.74141pt;width:66.525002px;" version="1.1" viewbox="0 0 66.525002 16.6" width="66.525002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.01,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.329968" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="11.325088" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-42.81,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-28.82,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-22.99,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>。运营商<年代vg height="14.2375" id="M145" style="vertical-align:-3.13504pt;width:21.025px;" version="1.1" viewbox="0 0 21.025 14.2375" width="21.025" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="14.2375" id="M146" style="vertical-align:-3.13504pt;width:19.950001px;" version="1.1" viewbox="0 0 19.950001 14.2375" width="19.950001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>的正交子空间<年代vg height="11.1" id="M147" style="vertical-align:-0.1881pt;width:15.7125px;" version="1.1" viewbox="0 0 15.7125 11.1" width="15.7125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.1)"> <g transform="translate(72,-63.12)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> </text> </g> </g> </svg>,所以<年代vg height="18.924999" id="M148" style="vertical-align:-3.13504pt;width:146.6875px;" version="1.1" viewbox="0 0 146.6875 18.924999" width="146.6875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.925)"> <g transform="translate(72,-56.86)"> <text transform="matrix(1,0,0,-1,-71.95,60.03)"> <tspan style="font-size: 12.50px; " x="12.42" y="-2.54"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="7.3267579" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.5" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.352123" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.978954" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="40.019344" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="47.358604" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="51.522102" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-11.57,56.91)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-3.7,60.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.9391651" y="0"> ∪</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.46669" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.805952" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="28.969452" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,34.13,56.91)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,41.14,60.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>。这意味着<年代vg height="15.025" id="M149" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 15.025" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-71.04,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.91000003" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>具有相同的光谱渐近症状<年代vg height="14.2375" id="M150" style="vertical-align:-3.13504pt;width:19.950001px;" version="1.1" viewbox="0 0 19.950001 14.2375" width="19.950001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>在每一个时间间隔<年代vg height="16.6" id="M151" style="vertical-align:-4.74141pt;width:66.525002px;" version="1.1" viewbox="0 0 66.525002 16.6" width="66.525002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.01,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.329968" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="11.325088" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-42.81,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-28.82,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-22.99,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>,证明定理中的命题就足够了<一个href="#thm3.1">3.1</一个>和<一个href="#thm3.2">3.2</一个>的运营商<年代vg height="15.025" id="M152" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 15.025" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-71.04,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.91000003" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>而不是<年代vg height="14.2375" id="M153" style="vertical-align:-3.13504pt;width:19.950001px;" version="1.1" viewbox="0 0 19.950001 14.2375" width="19.950001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>。</p><p>gydF4y2Ba自未绑定的运营商<年代vg height="10.325" id="M154" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="15.025" id="M155" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 15.025" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-71.04,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.91000003" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>有不同的领域,我们不能直接比较它们。但是,它们作用于同一个希尔伯特空间,所以我们可以比较它们的逆矩阵。让<年代p一个nclass="displayed-label" id="eq0018"><span altimg="C:\WINDOWS\Temp\MMLIMG61584.png" baseline="7" class="displayed" height="31" id="M156" width="304"></span></span>并设置<年代p一个nclass="displayed-label" id="eq0019"><span altimg="C:\WINDOWS\Temp\MMLIMG61585.png" baseline="14" class="displayed" height="32" id="M157" width="314"></span></span><span class="statement" id="lem3.3"><span class="statement-title">引理3.3。</年代p一个n><我><年代vg height="10.575" id="M158" style="vertical-align:-0.20064pt;width:12.625px;" version="1.1" viewbox="0 0 12.625 10.575" width="12.625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.575)"> <g transform="translate(72,-63.54)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是非负的,紧致的。</我></年代p一个n></p> <p><span class="statement" id="proof2"><span class="statement-title"><i class="statement-title">证明。</我></年代p一个n>参见<一个href="#subsec4.1">4.1</一个>。</年代p一个n></p><p>根据韦尔定理,的基本谱<年代vg height="10.325" id="M159" style="vertical-align:-0.0pt;width:11.6875px;" version="1.1" viewbox="0 0 11.6875 10.325" width="11.6875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="15.025" id="M160" style="vertical-align:-0.0pt;width:11.6875px;" version="1.1" viewbox="0 0 11.6875 15.025" width="11.6875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-69.52,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-2.4300001" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>一致。自<年代vg height="15.6625" id="M161" style="vertical-align:-0.51414pt;width:72.800003px;" version="1.1" viewbox="0 0 72.800003 15.6625" width="72.800003" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.6625)"> <g transform="translate(72,-59.47)"> <text transform="matrix(1,0,0,-1,-69.52,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-2.4300001" y="2.54"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.285551" y="2.54"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.325939" y="2.54"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="34.353825" y="2.54"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="45.694046" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="12.3" id="M162" style="vertical-align:-1.29163pt;width:36.3125px;" version="1.1" viewbox="0 0 36.3125 12.3" width="36.3125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,12.3)"> <g transform="translate(72,-62.16)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.652556" y="0"> ≥</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.692945" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>,定理<一个href="#thm3.1">3.1</一个>紧接于[<一个href="#B2">15</一个>,定理9.4.7]和这个事实<年代vg height="19.862499" id="M163" style="vertical-align:-4.74141pt;width:154.75px;" version="1.1" viewbox="0 0 154.75 19.862499" width="154.75" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.8625)"> <g transform="translate(72,-56.11)"> <text transform="matrix(1,0,0,-1,-71.95,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="7.3267579" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.490257" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.742477" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="28.381809" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="40.422199" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-24.18,57.76)"> <tspan style="font-size: 8.75px; " x="0" y="0"> e</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="3.8858881" y="0"> 年代</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="7.2904158" y="0"> 年代</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-12.99,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.415719" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.042549" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="33.082939" y="0"> {</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="39.084377" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,34.88,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="8.2700005"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,45.75,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> }</gydF4y2Batspan> </text> </g> </g> </svg>。我们继续定理的证明<一个href="#thm3.2">3.2</一个>。</p><p>gydF4y2Ba让<年代vg height="11.0625" id="M164" style="vertical-align:-0.30096pt;width:35.325001px;" version="1.1" viewbox="0 0 35.325001 11.0625" width="35.325001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.8648672" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.905256" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>是这样的,<年代vg height="19.862499" id="M165" style="vertical-align:-4.74141pt;width:291.26251px;" version="1.1" viewbox="0 0 291.26251 19.862499" width="291.26251" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.8625)"> <g transform="translate(72,-56.11)"> <text transform="matrix(1,0,0,-1,-71.95,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.3269978" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-54.85,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="8.2700005"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-41.2,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.340221" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.591721" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.993258" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="29.207008" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-3.21,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="8.2700005"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,10.43,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.340221" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.591721" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.993258" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.932423" y="0"> ⧵</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="40.247158" y="0"> {</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="46.248596" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,65.47,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="8.2700005"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,76.34,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> }</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.00144" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.928102" y="0"> ∩</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.46813" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,107.15,57.76)"> <tspan style="font-size: 8.75px; " x="0" y="0"> e</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="3.8858881" y="0"> 年代</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="7.2904158" y="0"> 年代</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,118.34,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.415719" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.055052" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="33.082939" y="0"> ∅</gydF4y2Batspan> </text> </g> </g> </svg>。表示特征值<年代vg height="16.237499" id="M166" style="vertical-align:-4.74141pt;width:16px;" version="1.1" viewbox="0 0 16 16.237499" width="16" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.07,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>通过<年代p一个nclass="displayed-label" id="eq0020"><span altimg="C:\WINDOWS\Temp\MMLIMG61595.png" baseline="9" class="displayed" height="30" id="M167" width="115"></span></span>和特征值<年代vg height="15.025" id="M168" style="vertical-align:-0.0pt;width:11.6875px;" version="1.1" viewbox="0 0 11.6875 15.025" width="11.6875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-69.52,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-2.4300001" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>在间隔内<年代vg height="19.862499" id="M169" style="vertical-align:-4.74141pt;width:91.8125px;" version="1.1" viewbox="0 0 91.8125 19.862499" width="91.8125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.8625)"> <g transform="translate(72,-56.11)"> <text transform="matrix(1,0,0,-1,-71.95,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.01,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="8.2700005"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-48.14,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-34.15,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="8.2700005"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-20.51,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.340221" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.741756" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>通过<年代p一个nclass="displayed-label" id="eq0021"><span altimg="C:\WINDOWS\Temp\MMLIMG61598.png" baseline="9" class="displayed" height="30" id="M170" width="117"></span></span><span class="statement" id="lem3.4"><span class="statement-title">引理3.4。</年代p一个n><我>给予<年代vg height="12.8875" id="M171" style="vertical-align:-1.76814pt;width:38.799999px;" version="1.1" viewbox="0 0 38.799999 12.8875" width="38.799999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,12.8875)"> <g transform="translate(72,-61.69)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.5147829" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.555172" y="0"> 0</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.806671" y="0"> ,</gydF4y2Batspan> </text> </g> </g> </svg>存在一个整数<年代vg height="10.725" id="M172" style="vertical-align:-0.1254pt;width:5.4124999px;" version="1.1" viewbox="0 0 5.4124999 10.725" width="5.4124999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.725)"> <g transform="translate(72,-63.42)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>这样</我><年代p一个nclass="displayed-label" id="eq0022"><span altimg="C:\WINDOWS\Temp\MMLIMG61601.png" baseline="13" class="displayed" height="34" id="M173" width="482"></span></span><i></i></span></p> <p><span class="statement" id="proof3"><span class="statement-title"><i class="statement-title">证明。</我></年代p一个n>看 [<一个href="#B10">4</一个>,命题2.2]。</年代p一个n></p><p>因此,研究了特征值的渐近学<年代vg height="15.025" id="M174" style="vertical-align:-0.0pt;width:11.6875px;" version="1.1" viewbox="0 0 11.6875 15.025" width="11.6875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-69.52,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-2.4300001" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>简化为研究toeplitz型算子的特征值<年代vg height="16.237499" id="M175" style="vertical-align:-4.74141pt;width:16px;" version="1.1" viewbox="0 0 16 16.237499" width="16" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.07,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。对于有界简单的连接集<年代vg height="10.5375" id="M176" style="vertical-align:-0.16302pt;width:12.8625px;" version="1.1" viewbox="0 0 12.8625 10.5375" width="12.8625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.5375)"> <g transform="translate(72,-63.57)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在<年代vg height="13.775" id="M177" style="vertical-align:-0.0pt;width:24.362499px;" version="1.1" viewbox="0 0 24.362499 13.775" width="24.362499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.775)"> <g transform="translate(72,-60.98)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.61,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,定义Toeplitz算子<年代vg height="19.512501" id="M178" style="vertical-align:-4.74141pt;width:20.9125px;" version="1.1" viewbox="0 0 20.9125 19.512501" width="20.9125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.5125)"> <g transform="translate(72,-56.39)"> <text transform="matrix(1,0,0,-1,-71.95,61.17)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.95,66.24)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="-0.87" y="8.1999998"> </gydF4y2Batspan> </text> </g> </g> </svg>作为<年代p一个nclass="displayed-label" id="eq0023"><span altimg="C:\WINDOWS\Temp\MMLIMG61607.png" baseline="14" class="displayed" height="35" id="M179" width="132"></span></span>在哪里<年代vg height="11.0625" id="M180" style="vertical-align:-3.24916pt;width:20.375px;" version="1.1" viewbox="0 0 20.375 11.0625" width="20.375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.39,63.31)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>表示的特征函数<年代vg height="10.5375" id="M181" style="vertical-align:-0.16302pt;width:12.8625px;" version="1.1" viewbox="0 0 12.8625 10.5375" width="12.8625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.5375)"> <g transform="translate(72,-63.57)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。下面的引理将我们的问题简化为这些Toeplitz算子的研究,它们比<年代vg height="16.237499" id="M182" style="vertical-align:-4.74141pt;width:16px;" version="1.1" viewbox="0 0 16 16.237499" width="16" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.07,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。<年代p一个nclass="statement" id="lem3.5"><span class="statement-title">引理3.5。</年代p一个n><我>让<年代vg height="14.3875" id="M183" style="vertical-align:-3.25793pt;width:86.8125px;" version="1.1" viewbox="0 0 86.8125 14.3875" width="86.8125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3875)"> <g transform="translate(72,-60.49)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.42,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 0</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-54.08,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⋐</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.040389" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.031006" y="0"> ⋐</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="37.071396" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-7.47,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>是这样的紧域<年代vg height="14.5875" id="M184" style="vertical-align:-3.2316pt;width:81.150002px;" version="1.1" viewbox="0 0 81.150002 14.5875" width="81.150002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.3765302" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-56.03,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-50.04,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ∩</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.527526" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.342621" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="33.383011" y="0"> ∅</gydF4y2Batspan> </text> </g> </g> </svg>。存在一个常数<年代vg height="11.0625" id="M185" style="vertical-align:-0.30096pt;width:37.8125px;" version="1.1" viewbox="0 0 37.8125 11.0625" width="37.8125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.852844" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.893232" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>和子空间<年代vg height="11.25" id="M186" style="vertical-align:-0.3135pt;width:46.712502px;" version="1.1" viewbox="0 0 46.712502 11.25" width="46.712502" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.25)"> <g transform="translate(72,-63)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.75306" y="0"> ⊂</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.793449" y="0"> ℋ</gydF4y2Batspan> </text> </g> </g> </svg>有限余维数</我><年代p一个nclass="displayed-label" id="eq3.3"><span altimg="C:\WINDOWS\Temp\MMLIMG61615.png" baseline="19" class="displayed" height="47" id="M187" width="321"></span></span><i>对所有<年代vg height="13.675" id="M188" style="vertical-align:-2.34499pt;width:39.799999px;" version="1.1" viewbox="0 0 39.799999 13.675" width="39.799999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.675)"> <g transform="translate(72,-61.06)"> <text transform="matrix(1,0,0,-1,-71.95,63.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.402496" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。</我></年代p一个n></p> <p><span class="statement" id="proof4"><span class="statement-title"><i class="statement-title">证明。</我></年代p一个n>参见<一个href="#subsec4.2">4.2</一个>。</年代p一个n></p><p>谱的渐近展开式<年代vg height="19.512501" id="M189" style="vertical-align:-4.74141pt;width:20.9125px;" version="1.1" viewbox="0 0 20.9125 19.512501" width="20.9125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.5125)"> <g transform="translate(72,-56.39)"> <text transform="matrix(1,0,0,-1,-71.95,61.17)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.95,66.24)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="-0.87" y="8.1999998"> </gydF4y2Batspan> </text> </g> </g> </svg>在下列引理中给出。<年代p一个nclass="statement" id="lem3.6"><span class="statement-title">引理3.6。</年代p一个n><我>表示由<年代vg height="21.0375" id="M190" style="vertical-align:-4.72992pt;width:101.475px;" version="1.1" viewbox="0 0 101.475 21.0375" width="101.475" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,21.0375)"> <g transform="translate(72,-55.17)"> <text transform="matrix(1,0,0,-1,-71.95,59.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-66.45,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="10.82"> 1</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.2443838" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-51.32,59.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ≥</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-33.78,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="10.82"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.2443838" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-18.65,59.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ≥</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.115887" y="0"> ⋯</gydF4y2Batspan> </text> </g> </g> </svg>的特征值<年代vg height="19.512501" id="M191" style="vertical-align:-4.74141pt;width:20.9125px;" version="1.1" viewbox="0 0 20.9125 19.512501" width="20.9125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.5125)"> <g transform="translate(72,-56.39)"> <text transform="matrix(1,0,0,-1,-71.95,61.17)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.95,66.24)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="-0.87" y="8.1999998"> </gydF4y2Batspan> </text> </g> </g> </svg>并通过<年代vg height="19.512501" id="M192" style="vertical-align:-4.74141pt;width:54.0625px;" version="1.1" viewbox="0 0 54.0625 19.512501" width="54.0625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.5125)"> <g transform="translate(72,-56.39)"> <text transform="matrix(1,0,0,-1,-71.95,61.17)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.2139912" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.37749" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.141613" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.342861" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-40.6,66.24)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="-0.87" y="8.1999998"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-32.97,61.17)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>的特征值的个数<年代vg height="19.512501" id="M193" style="vertical-align:-4.74141pt;width:20.9125px;" version="1.1" viewbox="0 0 20.9125 19.512501" width="20.9125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.5125)"> <g transform="translate(72,-56.39)"> <text transform="matrix(1,0,0,-1,-71.95,61.17)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.95,66.24)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="-0.87" y="8.1999998"> </gydF4y2Batspan> </text> </g> </g> </svg>大于<年代vg height="10.8125" id="M194" style="vertical-align:-0.20064pt;width:8.5749998px;" version="1.1" viewbox="0 0 8.5749998 10.8125" width="8.5749998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.8125)"> <g transform="translate(72,-63.35)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>(包括多重性)。然后</我><br><i></i><span class="list"><span class="list-item"><span class="list-label">(一)</年代p一个n><年代p一个nclass="list-content"><i>如果<年代vg height="10.875" id="M195" style="vertical-align:-0.15048pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 10.875" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.875)"> <g transform="translate(72,-63.3)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>我们有<年代vg height="25.725" id="M196" style="vertical-align:-5.84473pt;width:228.75px;" version="1.1" viewbox="0 0 228.75 25.725" width="228.75" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,25.725)"> <g transform="translate(72,-51.42)"> <text transform="matrix(1,0,0,-1,-71.95,57.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> l</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="3.4758339" y="0"> 我</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.9516678" y="0"> 米</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.19,54.17)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.3824801" y="0"> →</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="14.948416" y="0"> ∞</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-29.63,57.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.0271664" y="0"> !</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.266163" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-8.86,63.4)"> <tspan style="font-size: 8.75px; " x="0" y="10.29"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.2443838" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,2.8,57.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,6.96,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="6.8090558" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,21.67,57.3)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.040389" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.203888" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.905975" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="28.381809" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="34.633308" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="38.79681" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="42.960308" y="0"> C</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="51.299809" y="0"> 一个</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="56.851143" y="0"> p</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="63.102642" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="67.266144" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="76.080757" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="80.244255" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,106.08,62.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> </g> </g> </svg>,</我></年代p一个n></年代pan><span class="list-item"><span class="list-label">(b)</年代p一个n><年代p一个nclass="list-content"><i>如果<年代vg height="11.0625" id="M197" style="vertical-align:-0.30096pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 11.0625" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>我们有<年代vg height="19.9125" id="M198" style="vertical-align:-4.74141pt;width:269.28751px;" version="1.1" viewbox="0 0 269.28751 19.9125" width="269.28751" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.9125)"> <g transform="translate(72,-56.07)"> <text transform="matrix(1,0,0,-1,-71.95,60.85)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.2139912" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.37749" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.141613" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.342861" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-40.6,65.92)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="-0.87" y="8.1999998"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-32.97,60.85)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7148314" y="0"> ∼</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.843222" y="0"> (</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-2.88,65.7)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.329968" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="11.325088" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="15.981152" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="21.976273" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.6700001" y="9.2600002"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="10.326064" y="9.2600002"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="16.321184" y="9.2600002"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,25.56,60.85)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.3269978" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.578498" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="18.054333" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.705929" y="0"> !</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.944925" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="35.108425" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="39.271923" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="43.860523" y="0"> l</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="47.336357" y="0"> n</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="55.675858" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="62.439983" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="64.940582" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="70.491913" y="0"> l</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="73.967751" y="0"> n</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="82.307251" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="86.895851" y="0"> l</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="90.371681" y="0"> n</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="98.698685" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="105.46281" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="107.9634" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,137.7,66.1)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>作为<年代vg height="13.125" id="M199" style="vertical-align:-1.95624pt;width:39.549999px;" version="1.1" viewbox="0 0 39.549999 13.125" width="39.549999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.125)"> <g transform="translate(72,-61.5)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.227454" y="0"> ↘</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.281067" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>。</我></年代p一个n></年代pan></span><i></i></span></p> <p><span class="statement" id="proof5"><span class="statement-title"><i class="statement-title">证明。</我></年代p一个n>看 [<一个href="#B4">10</一个>第(a)部分和[引理3.2]<一个href="#B8">8</一个>[第(b)部分]。</年代p一个n></p><p><span class="statement" id="proof8"><span class="statement-title"><i class="statement-title">证明。</我></年代p一个n>现在我们可以完成定理的证明了<一个href="#thm3.2">3.2</一个>。通过让<年代vg height="14.3875" id="M200" style="vertical-align:-3.25793pt;width:18.125px;" version="1.1" viewbox="0 0 18.125 14.3875" width="18.125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3875)"> <g transform="translate(72,-60.49)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.42,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="14.2375" id="M201" style="vertical-align:-3.13504pt;width:18.125px;" version="1.1" viewbox="0 0 18.125 14.2375" width="18.125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.42,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>在引理<一个href="#lem3.5">3.5</一个>离我们的契约越来越近<年代vg height="10.325" id="M202" style="vertical-align:-0.0pt;width:13.2875px;" version="1.1" viewbox="0 0 13.2875 10.325" width="13.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>我们看到特征值<年代vg height="22.4375" id="M203" style="vertical-align:-5.84473pt;width:34.587502px;" version="1.1" viewbox="0 0 34.587502 22.4375" width="34.587502" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,22.4375)"> <g transform="translate(72,-54.05)"> <text transform="matrix(1,0,0,-1,-71.95,59.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> {</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.00144" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.04,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="10.29"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.2443838" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-50.38,59.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> }</gydF4y2Batspan> </text> </g> </g> </svg>的<年代vg height="16.237499" id="M204" style="vertical-align:-4.74141pt;width:16px;" version="1.1" viewbox="0 0 16 16.237499" width="16" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.07,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>满足<年代p一个nclass="displayed-label" id="eq3.4"><span altimg="C:\WINDOWS\Temp\MMLIMG61635.png" baseline="17" class="displayed" height="47" id="M205" width="231"></span></span>如果<年代vg height="10.875" id="M206" style="vertical-align:-0.15048pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 10.875" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.875)"> <g transform="translate(72,-63.3)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>,<年代p一个nclass="displayed-label" id="eq3.5"><span altimg="C:\WINDOWS\Temp\MMLIMG61637.png" baseline="25" class="displayed" height="59" id="M207" width="400"></span></span>如果<年代vg height="11.0625" id="M208" style="vertical-align:-0.30096pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 11.0625" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>。因为公式(<一个href="#eq3.4">3.11</一个>)和(<一个href="#eq3.5">3.12</一个>)对指标的有限移位是敏感的,它遵循引理<一个href="#lem3.4">3.4</一个>的特征值<年代vg height="22.4375" id="M209" style="vertical-align:-5.84473pt;width:36.075001px;" version="1.1" viewbox="0 0 36.075001 22.4375" width="36.075001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,22.4375)"> <g transform="translate(72,-54.05)"> <text transform="matrix(1,0,0,-1,-71.95,59.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> {</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.00144" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-60.85,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="10.29"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.2443838" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-49.19,59.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> }</gydF4y2Batspan> </text> </g> </g> </svg> <svg height="15.025" id="M210" style="vertical-align:-0.0pt;width:11.6875px;" version="1.1" viewbox="0 0 11.6875 15.025" width="11.6875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-69.52,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-2.4300001" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>满足<年代p一个nclass="displayed-label" id="eq0024"><span altimg="C:\WINDOWS\Temp\MMLIMG61641.png" baseline="17" class="displayed" height="47" id="M211" width="302"></span></span>如果<年代vg height="10.875" id="M212" style="vertical-align:-0.15048pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 10.875" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.875)"> <g transform="translate(72,-63.3)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>,<年代p一个nclass="displayed-label" id="eq0025"><span altimg="C:\WINDOWS\Temp\MMLIMG61643.png" baseline="27" class="displayed" height="63" id="M213" width="511"></span></span><br>如果我们把它转换成<年代vg height="15.025" id="M214" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 15.025" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-71.04,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.91000003" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>我们得到了<年代p一个nclass="displayed-label" id="eq0026"><span altimg="C:\WINDOWS\Temp\MMLIMG61645.png" baseline="17" class="displayed" height="47" id="M215" width="291"></span></span>为<年代vg height="10.875" id="M216" style="vertical-align:-0.15048pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 10.875" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.875)"> <g transform="translate(72,-63.3)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>,<年代p一个nclass="displayed-label" id="eq0027"><span altimg="C:\WINDOWS\Temp\MMLIMG61647.png" baseline="71" class="displayed" height="149" id="M217" width="522"></span></span>为<年代vg height="11.0625" id="M218" style="vertical-align:-0.30096pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 11.0625" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>。这就完成了定理的证明<一个href="#thm3.2">3.2</一个>。</年代p一个n></p><h4 id="proof-of-the-lemmas">4.引理的证明</gydF4y2Bah4> <p>在这一节,我们证明引理<一个href="#lem3.3">3.3.</一个>和<一个href="#lem3.5">3.5</一个>。我们将使用伪微分算子和边界层势的理论。有关这些工具的详情请参阅[<一个href="#B17">16</一个>]和[<一个href="#B1">17</一个>,第五章]。</p><gydF4y2Bah5 id="subsec4.1">4.1。引理的证明<一个href="#lem3.3">3.3.</一个></h5> <p>运营商<年代vg height="10.325" id="M219" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="15.025" id="M220" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 15.025" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-71.04,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.91000003" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>都是由相同的表达式定义的,但是<年代vg height="15.025" id="M221" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 15.025" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-71.04,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.91000003" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>包含在<年代vg height="10.325" id="M222" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。它源自[<一个href="#B10">4</一个>,提案2.1]<年代vg height="16.625" id="M223" style="vertical-align:-1.29163pt;width:67.112503px;" version="1.1" viewbox="0 0 67.112503 16.625" width="67.112503" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.625)"> <g transform="translate(72,-58.7)"> <text transform="matrix(1,0,0,-1,-71.95,60.03)"> <tspan style="font-size: 12.50px; " x="23.889999" y="-2.54"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.62779" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.969999" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="35.297958" y="0"> ≥</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="47.325844" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>, 因此<年代vg height="16.625" id="M224" style="vertical-align:-1.29163pt;width:96.487503px;" version="1.1" viewbox="0 0 96.487503 16.625" width="96.487503" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.625)"> <g transform="translate(72,-58.7)"> <text transform="matrix(1,0,0,-1,-71.95,60.03)"> <tspan style="font-size: 12.50px; " x="25.129999" y="-2.54"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.652556" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.700001" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="34.727886" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="46.068108" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="58.796162" y="0"> ≥</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="70.824043" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>。</p><p>gydF4y2Ba接下来我们证明了紧凑的<年代vg height="10.575" id="M225" style="vertical-align:-0.20064pt;width:12.625px;" version="1.1" viewbox="0 0 12.625 10.575" width="12.625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.575)"> <g transform="translate(72,-63.54)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。让<年代vg height="13.4875" id="M226" style="vertical-align:-2.34499pt;width:10.675px;" version="1.1" viewbox="0 0 10.675 13.4875" width="10.675" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="9.9375" id="M227" style="vertical-align:-2.34499pt;width:8.4375px;" version="1.1" viewbox="0 0 8.4375 9.9375" width="8.4375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,9.9375)"> <g transform="translate(72,-64.05)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>属于<年代vg height="11.1" id="M228" style="vertical-align:-0.1881pt;width:15.7125px;" version="1.1" viewbox="0 0 15.7125 11.1" width="15.7125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.1)"> <g transform="translate(72,-63.12)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> </text> </g> </g> </svg>。同时,让<年代vg height="13.4875" id="M229" style="vertical-align:-2.34499pt;width:49.037498px;" version="1.1" viewbox="0 0 49.037498 13.4875" width="49.037498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.3897533" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.430141" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.682362" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="17.9375" id="M230" style="vertical-align:-2.34499pt;width:47.299999px;" version="1.1" viewbox="0 0 47.299999 17.9375" width="47.299999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.9375)"> <g transform="translate(72,-57.65)"> <text transform="matrix(1,0,0,-1,-71.95,60.03)"> <tspan style="font-size: 12.50px; " x="24.26" y="-2.54"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7898493" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.84" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="31.09222" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。然后<年代vg height="7.1624999" id="M231" style="vertical-align:-0.11285pt;width:7.5374999px;" version="1.1" viewbox="0 0 7.5374999 7.1624999" width="7.5374999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,7.1625)"> <g transform="translate(72,-66.27)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>属于……的领域<年代vg height="10.325" id="M232" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="7.4250002" id="M233" style="vertical-align:-0.11285pt;width:8.0375004px;" version="1.1" viewbox="0 0 8.0375004 7.4250002" width="8.0375004" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,7.425)"> <g transform="translate(72,-66.06)"> <text transform="matrix(1,0,0,-1,-71.95,66.22)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>属于……的领域<年代vg height="15.025" id="M234" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 15.025" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.025)"> <g transform="translate(72,-59.98)"> <text transform="matrix(1,0,0,-1,-71.04,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.91000003" y="2.54"> </gydF4y2Batspan> </text> </g> </g> </svg>,所以<年代vg height="13.7625" id="M235" style="vertical-align:-3.13504pt;width:81.9375px;" version="1.1" viewbox="0 0 81.9375 13.7625" width="81.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.7625)"> <g transform="translate(72,-60.99)"> <text transform="matrix(1,0,0,-1,-71.95,64.16)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7898493" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.830238" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-43.79,61.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-33.14,64.16)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⊕</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.303192" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-13.51,61.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="14.2375" id="M236" style="vertical-align:-3.13504pt;width:123.075px;" version="1.1" viewbox="0 0 123.075 14.2375" width="123.075" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2375)"> <g transform="translate(72,-60.61)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-55.23,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-48.9,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-38.26,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⊕</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.303192" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-16.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-9.09,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-2.76,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,7.72,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。通过零件和使用(<一个href="#eq3.2">3.2</一个>)<gydF4y2Ba年代vg height="11.1875" id="M237" style="vertical-align:-3.13504pt;width:17.862499px;" version="1.1" viewbox="0 0 17.862499 11.1875" width="17.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.1875)"> <g transform="translate(72,-63.05)"> <text transform="matrix(1,0,0,-1,-71.95,66.22)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.62,63.1)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="11.1875" id="M238" style="vertical-align:-3.13504pt;width:16.799999px;" version="1.1" viewbox="0 0 16.799999 11.1875" width="16.799999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.1875)"> <g transform="translate(72,-63.05)"> <text transform="matrix(1,0,0,-1,-71.95,66.22)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.62,63.1)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>,我们得到<年代p一个nclass="displayed-label" id="eq4.1"><span altimg="C:\WINDOWS\Temp\MMLIMG62840.png" baseline="57" class="displayed" height="120" id="M239" width="698"></span></span>在这里<年代vg height="10.95" id="M240" style="vertical-align:-0.1254pt;width:19.1875px;" version="1.1" viewbox="0 0 19.1875 10.95" width="19.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.95)"> <g transform="translate(72,-63.24)"> <text transform="matrix(1,0,0,-1,-71.95,63.41)"> <tspan style="font-size: 12.50px; " x="0" y="0"> d</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.2515001" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>表示表面测量上<年代vg height="10.475" id="M241" style="vertical-align:-0.0pt;width:9.3000002px;" version="1.1" viewbox="0 0 9.3000002 10.475" width="9.3000002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.475)"> <g transform="translate(72,-63.62)"> <text transform="matrix(1,0,0,-1,-71.95,63.67)"> <tspan style="font-size: 12.50px; " x="0" y="0"> γ.</gydF4y2Batspan> </text> </g> </g> </svg>。</p><p>gydF4y2Ba取一个平滑的截断函数<年代vg height="19.200001" id="M242" style="vertical-align:-4.35121pt;width:87.362503px;" version="1.1" viewbox="0 0 87.362503 19.200001" width="87.362503" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.2)"> <g transform="translate(72,-56.64)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.068275" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-38.48,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∞</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="-1.01" y="9.21"> 0</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-29.88,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-16.38,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-6.32,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>这样<年代vg height="13.85" id="M243" style="vertical-align:-2.53308pt;width:57.037498px;" version="1.1" viewbox="0 0 57.037498 13.85" width="57.037498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.85)"> <g transform="translate(72,-60.92)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.5520515" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.715551" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.592201" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.231533" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="39.271923" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>在一个<年代vg height="10.325" id="M244" style="vertical-align:-0.0pt;width:13.2875px;" version="1.1" viewbox="0 0 13.2875 10.325" width="13.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。然后我们可以替换<年代vg height="7.1624999" id="M245" style="vertical-align:-0.11285pt;width:7.5374999px;" version="1.1" viewbox="0 0 7.5374999 7.1624999" width="7.5374999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,7.1625)"> <g transform="translate(72,-66.27)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="7.4250002" id="M246" style="vertical-align:-0.11285pt;width:8.0375004px;" version="1.1" viewbox="0 0 8.0375004 7.4250002" width="8.0375004" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,7.425)"> <g transform="translate(72,-66.06)"> <text transform="matrix(1,0,0,-1,-71.95,66.22)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>通过<年代vg height="13.25" id="M247" style="vertical-align:-2.53308pt;width:45.037498px;" version="1.1" viewbox="0 0 45.037498 13.25" width="45.037498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.25)"> <g transform="translate(72,-61.4)"> <text transform="matrix(1,0,0,-1,-65.61,63.97)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ̃</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-6.3390212" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="3.0507319" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.091121" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.655676" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="13.375" id="M248" style="vertical-align:-2.53308pt;width:46.037498px;" version="1.1" viewbox="0 0 46.037498 13.375" width="46.037498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.375)"> <g transform="translate(72,-61.3)"> <text transform="matrix(1,0,0,-1,-65.09,63.97)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ̃</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-6.8600001" y="0.1"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.9298489" y="0.1"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.970238" y="0.1"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.534794" y="0.1"> </gydF4y2Batspan> </text> </g> </g> </svg>在(的右边)<一个href="#eq4.1">4.1</一个>).通过局部椭圆正则性我们得到<年代vg height="16.5375" id="M249" style="vertical-align:-2.21957pt;width:82.712502px;" version="1.1" viewbox="0 0 82.712502 16.5375" width="82.712502" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.5375)"> <g transform="translate(72,-58.77)"> <text transform="matrix(1,0,0,-1,-65.61,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ̃</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-6.3390212" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="3.0507319" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.091121" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-38.47,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-33.6,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-20.09,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-10.04,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="17.237499" id="M250" style="vertical-align:-2.78387pt;width:107.5125px;" version="1.1" viewbox="0 0 107.5125 17.237499" width="107.5125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.2375)"> <g transform="translate(72,-58.21)"> <text transform="matrix(1,0,0,-1,-65.09,61.13)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ̃</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-6.8600001" y="0.1"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.9298489" y="0.1"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.970238" y="0.1"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-38.07,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-33.2,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-19.69,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-6.86,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⧵</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.3147354" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.653996" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>。然而,操作员<年代vg height="14.6" id="M251" style="vertical-align:-3.13504pt;width:67.175003px;" version="1.1" viewbox="0 0 67.175003 14.6" width="67.175003" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6)"> <g transform="translate(72,-60.32)"> <text transform="matrix(1,0,0,-1,-65.61,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ̃</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-6.3390212" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="3.0507319" y="0"> ↦</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="18.104343" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-41.11,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-26.04,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ̃</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-6.3265181" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.400096" y="0"> |</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-23.95,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> γ.</gydF4y2Batspan> </text> </g> </g> </svg>紧凑型是从什么角度考虑的<年代vg height="16.5375" id="M252" style="vertical-align:-2.21957pt;width:55.924999px;" version="1.1" viewbox="0 0 55.924999 16.5375" width="55.924999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.5375)"> <g transform="translate(72,-58.77)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.91,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-55.04,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-41.53,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-31.48,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>来<年代vg height="14.6" id="M253" style="vertical-align:-3.13504pt;width:36.862499px;" version="1.1" viewbox="0 0 36.862499 14.6" width="36.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6)"> <g transform="translate(72,-60.32)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-58.22,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.50276" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>两者都是<年代vg height="16.0375" id="M254" style="vertical-align:-3.13504pt;width:58.025002px;" version="1.1" viewbox="0 0 58.025002 16.0375" width="58.025002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.0375)"> <g transform="translate(72,-59.17)"> <text transform="matrix(1,0,0,-1,-65.09,62.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ̃</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.04" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.99" y="0.1"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-6.8600001" y="0.1"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.9298489" y="0.1"> ↦</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-40.77,59.22)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-33.76,62.35)"> <tspan style="font-size: 12.50px; " x="0" y="0"> |</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-31.26,59.22)"> <tspan style="font-size: 8.75px; " x="0" y="0"> γ.</gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="16.0375" id="M255" style="vertical-align:-3.13504pt;width:59.099998px;" version="1.1" viewbox="0 0 59.099998 16.0375" width="59.099998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.0375)"> <g transform="translate(72,-59.17)"> <text transform="matrix(1,0,0,-1,-65.09,62.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ̃</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.04" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.99" y="0.1"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-6.8600001" y="0.1"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.9298489" y="0.1"> ↦</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-40.77,59.22)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-32.91,62.35)"> <tspan style="font-size: 12.50px; " x="0" y="0"> |</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-30.4,59.22)"> <tspan style="font-size: 8.75px; " x="0" y="0"> γ.</gydF4y2Batspan> </text> </g> </g> </svg>紧凑型从何而来<年代vg height="17.237499" id="M256" style="vertical-align:-2.78387pt;width:80.212502px;" version="1.1" viewbox="0 0 80.212502 17.237499" width="80.212502" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.2375)"> <g transform="translate(72,-58.21)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-59.91,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-55.04,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-41.53,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-28.7,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⧵</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.3147354" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.653996" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>来<年代vg height="14.6" id="M257" style="vertical-align:-3.13504pt;width:36.862499px;" version="1.1" viewbox="0 0 36.862499 14.6" width="36.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6)"> <g transform="translate(72,-60.32)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-58.22,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.50276" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>,就是这样<年代vg height="10.575" id="M258" style="vertical-align:-0.20064pt;width:12.625px;" version="1.1" viewbox="0 0 12.625 10.575" width="12.625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.575)"> <g transform="translate(72,-63.54)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>紧凑。</p><gydF4y2Bah5 id="subsec4.2">4.2。引理的证明<一个href="#lem3.5">3.5</一个></h5> <p>我们从演示开始<年代vg height="16.237499" id="M259" style="vertical-align:-4.74141pt;width:16px;" version="1.1" viewbox="0 0 16 16.237499" width="16" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.07,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,最初定义于<年代vg height="17.674999" id="M260" style="vertical-align:-3.13504pt;width:51.9375px;" version="1.1" viewbox="0 0 51.9375 17.674999" width="51.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.675)"> <g transform="translate(72,-57.86)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,57.91)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-58.22,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-44.72,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-34.66,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>,可简化为算子中<年代vg height="14.6" id="M261" style="vertical-align:-3.13504pt;width:36.862499px;" version="1.1" viewbox="0 0 36.862499 14.6" width="36.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6)"> <g transform="translate(72,-60.32)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-58.22,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.50276" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>。更准确地说,我们证明了这一点<年代vg height="16.237499" id="M262" style="vertical-align:-4.74141pt;width:16px;" version="1.1" viewbox="0 0 16 16.237499" width="16" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.07,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>可以实现为某些子空间的订单1的椭圆伪分子运算符<年代vg height="14.6" id="M263" style="vertical-align:-3.13504pt;width:36.862499px;" version="1.1" viewbox="0 0 36.862499 14.6" width="36.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6)"> <g transform="translate(72,-60.32)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-58.22,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.50276" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>有限余维数,因此存在一个常数<年代vg height="11.0625" id="M264" style="vertical-align:-0.30096pt;width:37.8125px;" version="1.1" viewbox="0 0 37.8125 11.0625" width="37.8125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.852844" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.893232" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>这样<年代p一个nclass="displayed-label" id="eq4.2"><span altimg="C:\WINDOWS\Temp\MMLIMG61695.png" baseline="19" class="displayed" height="47" id="M265" width="452"></span></span>对所有<年代vg height="13.4875" id="M266" style="vertical-align:-2.34499pt;width:10.675px;" version="1.1" viewbox="0 0 10.675 13.4875" width="10.675" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在子空间。</p><p>gydF4y2Ba让<年代vg height="13.4875" id="M267" style="vertical-align:-2.34499pt;width:10.675px;" version="1.1" viewbox="0 0 10.675 13.4875" width="10.675" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="9.9375" id="M268" style="vertical-align:-2.34499pt;width:8.4375px;" version="1.1" viewbox="0 0 8.4375 9.9375" width="8.4375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,9.9375)"> <g transform="translate(72,-64.05)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>属于<年代vg height="11.1" id="M269" style="vertical-align:-0.1881pt;width:15.7125px;" version="1.1" viewbox="0 0 15.7125 11.1" width="15.7125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.1)"> <g transform="translate(72,-63.12)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℋ</gydF4y2Batspan> </text> </g> </g> </svg>。同时,让<年代vg height="13.4875" id="M270" style="vertical-align:-2.34499pt;width:49.037498px;" version="1.1" viewbox="0 0 49.037498 13.4875" width="49.037498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.3897533" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.430141" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.682362" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="17.9375" id="M271" style="vertical-align:-2.34499pt;width:50.587502px;" version="1.1" viewbox="0 0 50.587502 17.9375" width="50.587502" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.9375)"> <g transform="translate(72,-57.65)"> <text transform="matrix(1,0,0,-1,-71.95,60.03)"> <tspan style="font-size: 12.50px; " x="24.26" y="-2.54"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7898493" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.84" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="31.09222" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="37.243694" y="0"> ,</gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="13.25" id="M272" style="vertical-align:-2.34499pt;width:51.5px;" version="1.1" viewbox="0 0 51.5 13.25" width="51.5" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.25)"> <g transform="translate(72,-61.4)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.153156" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.193544" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="34.445766" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。我们看到(<一个href="#eq4.1">4.1</一个>),<gydF4y2Ba年代p一个nclass="displayed-label" id="eq0028"><span altimg="C:\WINDOWS\Temp\MMLIMG61703.png" baseline="21" class="displayed" height="51" id="M273" width="244"></span></span></p> <p>更进一步,我们将介绍neumann-to-dirichlet和dirichlet-to-neumann运算符。让<年代vg height="16.6" id="M274" style="vertical-align:-4.74141pt;width:50.974998px;" version="1.1" viewbox="0 0 50.974998 16.6" width="50.974998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.77,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-57.88,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.040149" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.241398" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>如在(<一个href="#eq2.2">2.16</一个>).我们从单层和双层积分算子开始,由<年代p一个nclass="displayed-label" id="eq0029"><span altimg="C:\WINDOWS\Temp\MMLIMG61705.png" baseline="85" class="displayed" height="178" id="M275" width="437"></span></span>最后两个操作符是紧的<年代vg height="14.6" id="M276" style="vertical-align:-3.13504pt;width:36.862499px;" version="1.1" viewbox="0 0 36.862499 14.6" width="36.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6)"> <g transform="translate(72,-60.32)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-58.22,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.50276" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>,以来,通过lemma<一个href="#lem2.1">2.1</一个>,他们的内核有弱奇点。而且,自核心以来<年代vg height="14.625" id="M277" style="vertical-align:-3.25793pt;width:17.6875px;" version="1.1" viewbox="0 0 17.6875 14.625" width="17.6875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.625)"> <g transform="translate(72,-60.3)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.77,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>和拉普拉斯算子的绿核具有相同的奇异性<年代vg height="13.775" id="M278" style="vertical-align:-0.0pt;width:24.362499px;" version="1.1" viewbox="0 0 24.362499 13.775" width="24.362499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.775)"> <g transform="translate(72,-60.98)"> <text transform="matrix(1,0,0,-1,-71.95,61.03)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.61,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="4.3759999" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>(见[<一个href="#B18">18</一个>,第7章,第11节]),我们有以下的极限关系<年代vg height="10.475" id="M279" style="vertical-align:-0.0pt;width:9.3000002px;" version="1.1" viewbox="0 0 9.3000002 10.475" width="9.3000002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.475)"> <g transform="translate(72,-63.62)"> <text transform="matrix(1,0,0,-1,-71.95,63.67)"> <tspan style="font-size: 12.50px; " x="0" y="0"> γ.</gydF4y2Batspan> </text> </g> </g> </svg><span class="displayed-label" id="eq4.3"><span altimg="C:\WINDOWS\Temp\MMLIMG61710.png" baseline="76" class="displayed" height="160" id="M280" width="167"></span></span>使用绿色类型的公式<年代vg height="10.325" id="M281" style="vertical-align:-0.0pt;width:11.1875px;" version="1.1" viewbox="0 0 11.1875 10.325" width="11.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在<年代vg height="10.325" id="M282" style="vertical-align:-0.0pt;width:13.2875px;" version="1.1" viewbox="0 0 13.2875 10.325" width="13.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>我们可以看到,<年代p一个nclass="displayed-label" id="eq0030"><span altimg="C:\WINDOWS\Temp\MMLIMG61713.png" baseline="11" class="displayed" height="31" id="M283" width="157"></span></span>如果我们将其与极限关系相结合(<一个href="#eq4.3">4.5</一个>),我们得到<年代p一个nclass="displayed-label" id="eq0031"><span altimg="C:\WINDOWS\Temp\MMLIMG61714.png" baseline="18" class="displayed" height="44" id="M284" width="238"></span></span></p> <p>类似的计算<年代vg height="10.6875" id="M285" style="vertical-align:-0.0pt;width:11.75px;" version="1.1" viewbox="0 0 11.75 10.6875" width="11.75" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6875)"> <g transform="translate(72,-63.45)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>给了<年代p一个nclass="displayed-label" id="eq0032"><span altimg="C:\WINDOWS\Temp\MMLIMG61716.png" baseline="18" class="displayed" height="44" id="M286" width="236"></span></span></p> <p>做以下定义似乎很自然。<年代p一个nclass="statement" id="deff4.1"><span class="statement-title"><i class="statement-title">定义4.1。</我></年代p一个n>中定义了Dirichlet-to-Neumann算子和Neumann-to-Dirichlet算子<年代vg height="10.325" id="M287" style="vertical-align:-0.0pt;width:13.2875px;" version="1.1" viewbox="0 0 13.2875 10.325" width="13.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="10.6875" id="M288" style="vertical-align:-0.0pt;width:11.75px;" version="1.1" viewbox="0 0 11.75 10.6875" width="11.75" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6875)"> <g transform="translate(72,-63.45)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>作为<年代p一个nclass="displayed-label" id="eq0033"><span altimg="C:\WINDOWS\Temp\MMLIMG61719.png" baseline="96" class="displayed" height="200" id="M289" width="209"></span></span></span><span class="statement" id="rem1"><span class="statement-title"><i class="statement-title">4.2的话。</我></年代p一个n>上面的逆至少存在于有限余维空间上。这是由事实得出的<年代vg height="10.55" id="M290" style="vertical-align:-0.0pt;width:11.325px;" version="1.1" viewbox="0 0 11.325 10.55" width="11.325" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.55)"> <g transform="translate(72,-63.56)"> <text transform="matrix(1,0,0,-1,-71.95,63.61)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是椭圆,<年代vg height="10.325" id="M291" style="vertical-align:-0.0pt;width:11.625px;" version="1.1" viewbox="0 0 11.625 10.325" width="11.625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>紧凑。</年代p一个n><年代p一个nclass="statement" id="lem4.2"><span class="statement-title">引理4.3。</年代p一个n><我>操作员<年代vg height="14.6" id="M292" style="vertical-align:-3.13504pt;width:108.4875px;" version="1.1" viewbox="0 0 108.4875 14.6" width="108.4875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6)"> <g transform="translate(72,-60.32)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.803552" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.680922" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-43.11,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-32.46,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.340221" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.50372" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.143772" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="36.021145" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,7.73,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ω.</gydF4y2Batspan> </text> </g> </g> </svg>是一个椭圆伪分子经营者的订单<年代vg height="10.6875" id="M293" style="vertical-align:-0.0pt;width:18.65px;" version="1.1" viewbox="0 0 18.65 10.6875" width="18.65" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6875)"> <g transform="translate(72,-63.45)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.5645552" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>。</我></年代p一个n></p> <p><span class="statement" id="proof6"><span class="statement-title"><i class="statement-title">证明。</我></年代p一个n>使用resolvent恒等式,我们可以看到<年代p一个nclass="displayed-label" id="eq0034"><span altimg="C:\WINDOWS\Temp\MMLIMG61724.png" baseline="17" class="displayed" height="49" id="M294" width="320"></span></span>它是由的渐近展开得出的<年代vg height="14.75" id="M295" style="vertical-align:-3.25793pt;width:50.962502px;" version="1.1" viewbox="0 0 50.962502 14.75" width="50.962502" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.75)"> <g transform="translate(72,-60.2)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.77,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 0</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-57.9,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.040149" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.241398" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>在引理<一个href="#lem2.1">2.1</一个>事实上<年代vg height="14.625" id="M296" style="vertical-align:-3.25793pt;width:17.6875px;" version="1.1" viewbox="0 0 17.6875 14.625" width="17.6875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.625)"> <g transform="translate(72,-60.3)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.77,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>是一个Schwartz核(同样,参见[<一个href="#B18">18</一个>(第7章第11节<年代vg height="10.55" id="M297" style="vertical-align:-0.0pt;width:11.325px;" version="1.1" viewbox="0 0 11.325 10.55" width="11.325" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.55)"> <g transform="translate(72,-63.56)"> <text transform="matrix(1,0,0,-1,-71.95,63.61)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是一个椭圆伪分子经营者的订单<年代vg height="10.6875" id="M298" style="vertical-align:-0.0pt;width:18.65px;" version="1.1" viewbox="0 0 18.65 10.6875" width="18.65" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6875)"> <g transform="translate(72,-63.45)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.5645552" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>。此外,运营商<年代vg height="10.325" id="M299" style="vertical-align:-0.0pt;width:11.625px;" version="1.1" viewbox="0 0 11.625 10.325" width="11.625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是紧的,那么其他两个因子是阶伪微分算子<年代vg height="10.9125" id="M300" style="vertical-align:-0.17555pt;width:7.9375px;" version="1.1" viewbox="0 0 7.9375 10.9125" width="7.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.9125)"> <g transform="translate(72,-63.27)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>它不会显著地改变主符号。</年代p一个n></p><p>现在让我们回到表达<年代vg height="10.575" id="M301" style="vertical-align:-0.20064pt;width:12.625px;" version="1.1" viewbox="0 0 12.625 10.575" width="12.625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.575)"> <g transform="translate(72,-63.54)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。我们有<年代p一个nclass="displayed-label" id="eq0035"><span altimg="C:\WINDOWS\Temp\MMLIMG61732.png" baseline="87" class="displayed" height="182" id="M302" width="534"></span></span>既然我们感兴趣<年代vg height="16.237499" id="M303" style="vertical-align:-4.74141pt;width:16px;" version="1.1" viewbox="0 0 16 16.237499" width="16" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.07,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>而不是<年代vg height="10.575" id="M304" style="vertical-align:-0.20064pt;width:12.625px;" version="1.1" viewbox="0 0 12.625 10.575" width="12.625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.575)"> <g transform="translate(72,-63.54)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,我们可以假设<年代vg height="13.4875" id="M305" style="vertical-align:-2.34499pt;width:10.675px;" version="1.1" viewbox="0 0 10.675 13.4875" width="10.675" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="9.9375" id="M306" style="vertical-align:-2.34499pt;width:8.4375px;" version="1.1" viewbox="0 0 8.4375 9.9375" width="8.4375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,9.9375)"> <g transform="translate(72,-64.05)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>属于<年代vg height="18.9375" id="M307" style="vertical-align:-6.47697pt;width:28.6px;" version="1.1" viewbox="0 0 28.6 18.9375" width="28.6" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.9375)"> <g transform="translate(72,-56.85)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℒ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-60.12,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.98,58.05)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。然后<年代vg height="19.862499" id="M308" style="vertical-align:-4.74141pt;width:101.6625px;" version="1.1" viewbox="0 0 101.6625 19.862499" width="101.6625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.8625)"> <g transform="translate(72,-56.11)"> <text transform="matrix(1,0,0,-1,-71.95,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.3897533" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.430141" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.682362" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="41.097363" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="53.137749" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-10.03,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="8.2700005"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,0.84,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="19.862499" id="M309" style="vertical-align:-4.74141pt;width:103.1375px;" version="1.1" viewbox="0 0 103.1375 19.862499" width="103.1375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.8625)"> <g transform="translate(72,-56.11)"> <text transform="matrix(1,0,0,-1,-71.95,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.153156" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.193544" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="34.445766" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="44.073074" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="56.113464" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-7.06,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="8.2700005"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,3.81,60.89)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。对于这样的<年代vg height="13.4875" id="M310" style="vertical-align:-2.34499pt;width:10.675px;" version="1.1" viewbox="0 0 10.675 13.4875" width="10.675" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="9.9375" id="M311" style="vertical-align:-2.34499pt;width:8.4375px;" version="1.1" viewbox="0 0 8.4375 9.9375" width="8.4375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,9.9375)"> <g transform="translate(72,-64.05)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>我们得到了<年代p一个nclass="displayed-label" id="eq0036"><span altimg="C:\WINDOWS\Temp\MMLIMG61742.png" baseline="21" class="displayed" height="56" id="M312" width="410"></span></span>或者使用上面介绍的运算符<年代p一个nclass="displayed-label" id="eq4.4"><span altimg="C:\WINDOWS\Temp\MMLIMG61743.png" baseline="25" class="displayed" height="65" id="M313" width="503"></span></span>而且,<年代vg height="14.6" id="M314" style="vertical-align:-3.13504pt;width:46.012501px;" version="1.1" viewbox="0 0 46.012501 14.6" width="46.012501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6)"> <g transform="translate(72,-60.32)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.040869" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.680922" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-43.11,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是一个椭圆伪分子经营者的订单<年代vg height="10.6875" id="M315" style="vertical-align:-0.0pt;width:7.9375px;" version="1.1" viewbox="0 0 7.9375 10.6875" width="7.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6875)"> <g transform="translate(72,-63.45)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>。这是从身份出发的<年代vg height="14.6" id="M316" style="vertical-align:-3.13504pt;width:144.425px;" version="1.1" viewbox="0 0 144.425 14.6" width="144.425" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6)"> <g transform="translate(72,-60.32)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.9646511" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.12815" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.00552" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="33.645573" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-34.14,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-22.8,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.50564" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="34.858364" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="39.021862" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="45.273361" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="48.749195" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="55.000698" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="59.164196" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,事实是<年代vg height="10.55" id="M317" style="vertical-align:-0.0pt;width:11.325px;" version="1.1" viewbox="0 0 11.325 10.55" width="11.325" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.55)"> <g transform="translate(72,-63.56)"> <text transform="matrix(1,0,0,-1,-71.95,63.61)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是一个椭圆伪分子经营者的订单<年代vg height="10.6875" id="M318" style="vertical-align:-0.0pt;width:18.65px;" version="1.1" viewbox="0 0 18.65 10.6875" width="18.65" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6875)"> <g transform="translate(72,-63.45)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.5645552" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>。它来自(<一个href="#eq4.4">4.13</一个>),<gydF4y2Ba年代vg height="16.237499" id="M319" style="vertical-align:-4.74141pt;width:16px;" version="1.1" viewbox="0 0 16 16.237499" width="16" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.07,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是椭圆伪微分算子还是阶<年代vg height="10.6875" id="M320" style="vertical-align:-0.0pt;width:7.9375px;" version="1.1" viewbox="0 0 7.9375 10.6875" width="7.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6875)"> <g transform="translate(72,-63.45)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>。</p><p>gydF4y2Ba接下来我们证明不等式(<一个href="#eq3.3">3.10</一个>).由于投影,它足以向功能展示<年代vg height="13.4875" id="M321" style="vertical-align:-2.34499pt;width:10.675px;" version="1.1" viewbox="0 0 10.675 13.4875" width="10.675" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在<年代vg height="18.9375" id="M322" style="vertical-align:-6.47697pt;width:32.5px;" version="1.1" viewbox="0 0 32.5 18.9375" width="32.5" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.9375)"> <g transform="translate(72,-56.85)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ℒ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-60.12,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.98,58.05)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-49.17,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 。</gydF4y2Batspan> </text> </g> </g> </svg></p> <p><i>的下界</我>。我们证明了子空间的存在<年代vg height="23.512501" id="M323" style="vertical-align:-6.47697pt;width:59.599998px;" version="1.1" viewbox="0 0 59.599998 23.512501" width="59.599998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,23.5125)"> <g transform="translate(72,-53.19)"> <text transform="matrix(1,0,0,-1,-70.81,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-1.14" y="2.8699999"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.61306" y="2.8699999"> ⊂</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.653448" y="2.8699999"> ℒ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-35.32,56.57)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-29.18,54.38)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>有限余维的,使(<一个href="#eq3.3">3.10</一个>)对所有人有效<年代vg height="18.362499" id="M324" style="vertical-align:-2.34499pt;width:39.799999px;" version="1.1" viewbox="0 0 39.799999 18.362499" width="39.799999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.3625)"> <g transform="translate(72,-57.31)"> <text transform="matrix(1,0,0,-1,-71.95,59.7)"> <tspan style="font-size: 12.50px; " x="23.59" y="-2.8699999"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.450001" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.402496" y="0"> ∈</gydF4y2Batspan> </text> </g> </g> </svg>。自<年代vg height="18.9375" id="M325" style="vertical-align:-6.47697pt;width:56.662498px;" version="1.1" viewbox="0 0 56.662498 18.9375" width="56.662498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.9375)"> <g transform="translate(72,-56.85)"> <text transform="matrix(1,0,0,-1,-71.95,63.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.402496" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> ℒ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-37.67,60.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-31.53,58.05)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>我们有<年代vg height="16.6" id="M326" style="vertical-align:-4.74141pt;width:147.78751px;" version="1.1" viewbox="0 0 147.78751 16.6" width="147.78751" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-57.27,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.402496" y="0"> ∶</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.791529" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="28.831919" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="32.995419" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="44.623207" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="55.975929" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,7.48,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,13.31,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.565995" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.606384" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>所以<年代vg height="13.4875" id="M327" style="vertical-align:-2.34499pt;width:10.675px;" version="1.1" viewbox="0 0 10.675 13.4875" width="10.675" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>属于二阶椭圆算子的核<年代vg height="16.237499" id="M328" style="vertical-align:-4.74141pt;width:18.475px;" version="1.1" viewbox="0 0 18.475 16.237499" width="18.475" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。让<年代vg height="14.6" id="M329" style="vertical-align:-3.13504pt;width:48.762501px;" version="1.1" viewbox="0 0 48.762501 14.6" width="48.762501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6)"> <g transform="translate(72,-60.32)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.790329" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.830717" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.769882" y="0"> |</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-38.67,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> γ.</gydF4y2Batspan> </text> </g> </g> </svg>。我们研究这个问题<年代p一个nclass="displayed-label" id="eq4.5"><span altimg="C:\WINDOWS\Temp\MMLIMG61760.png" baseline="28" class="displayed" height="64" id="M330" width="143"></span></span>让<年代vg height="13.55" id="M331" style="vertical-align:-2.29482pt;width:44.549999px;" version="1.1" viewbox="0 0 44.549999 13.55" width="44.549999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.55)"> <g transform="translate(72,-61.16)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.9271421" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.090641" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.967291" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.168539" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="31.370028" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>是的Schwartz核<年代vg height="16.237499" id="M332" style="vertical-align:-4.74141pt;width:18.475px;" version="1.1" viewbox="0 0 18.475 16.237499" width="18.475" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。从对角线往外是光滑的<年代vg height="9.875" id="M333" style="vertical-align:-2.29482pt;width:35.862499px;" version="1.1" viewbox="0 0 35.862499 9.875" width="35.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,9.875)"> <g transform="translate(72,-64.1)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.339981" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.380369" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。我们可以用单层和双层的势来重复这个理论<年代vg height="16.237499" id="M334" style="vertical-align:-4.74141pt;width:18.475px;" version="1.1" viewbox="0 0 18.475 16.237499" width="18.475" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>写出解<年代vg height="13.4875" id="M335" style="vertical-align:-2.34499pt;width:10.675px;" version="1.1" viewbox="0 0 10.675 13.4875" width="10.675" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>在这种情况下它是存在的。</p><p>gydF4y2Ba让<年代vg height="16.237499" id="M336" style="vertical-align:-4.74141pt;width:18.2875px;" version="1.1" viewbox="0 0 18.2875 16.237499" width="18.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.25,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>为双层算子在边界处求值,<年代p一个nclass="displayed-label" id="eq0037"><span altimg="C:\WINDOWS\Temp\MMLIMG61767.png" baseline="10" class="displayed" height="38" id="M337" width="344"></span></span>操作员<年代vg height="16.237499" id="M338" style="vertical-align:-4.74141pt;width:18.2875px;" version="1.1" viewbox="0 0 18.2875 16.237499" width="18.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.2375)"> <g transform="translate(72,-59.01)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.25,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是紧凑型的,自从内核<年代vg height="16.6" id="M339" style="vertical-align:-4.74141pt;width:67.900002px;" version="1.1" viewbox="0 0 67.900002 16.6" width="67.900002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-65.56,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="7.4479518" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.27,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="8.9271421" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.090641" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.967291" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.168539" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="31.370028" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>在对角线上有弱奇点吗<年代vg height="9.875" id="M340" style="vertical-align:-2.29482pt;width:35.862499px;" version="1.1" viewbox="0 0 35.862499 9.875" width="35.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,9.875)"> <g transform="translate(72,-64.1)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.339981" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.380369" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。因此存在一个子空间<年代vg height="14.6625" id="M341" style="vertical-align:-3.13504pt;width:73.962502px;" version="1.1" viewbox="0 0 73.962502 14.6625" width="73.962502" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6625)"> <g transform="translate(72,-60.27)"> <text transform="matrix(1,0,0,-1,-71.95,63.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.66,60.32)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-54.31,63.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⊂</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-33.42,60.32)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-28.55,63.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.50276" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>有限余维数,使算子<年代vg height="16.6" id="M342" style="vertical-align:-4.74141pt;width:73.824997px;" version="1.1" viewbox="0 0 73.824997 16.6" width="73.824997" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.414999" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.890833" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.142332" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.305832" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="33.082939" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="44.423161" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-18.82,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是可逆的<年代vg height="14.6625" id="M343" style="vertical-align:-3.13504pt;width:17.825001px;" version="1.1" viewbox="0 0 17.825001 14.6625" width="17.825001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6625)"> <g transform="translate(72,-60.27)"> <text transform="matrix(1,0,0,-1,-71.95,63.45)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-62.66,60.32)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>。因此,存在一个子空间<年代vg height="23.512501" id="M344" style="vertical-align:-6.47697pt;width:59.599998px;" version="1.1" viewbox="0 0 59.599998 23.512501" width="59.599998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,23.5125)"> <g transform="translate(72,-53.19)"> <text transform="matrix(1,0,0,-1,-70.81,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-1.14" y="2.8699999"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.61306" y="2.8699999"> ⊂</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="23.653448" y="2.8699999"> ℒ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-35.32,56.57)"> <tspan style="font-size: 8.75px; " x="0" y="0"> λ.</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-29.18,54.38)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>有限的Codimension,我们有代表公式<年代p一个nclass="displayed-label" id="eq4.6"><span altimg="C:\WINDOWS\Temp\MMLIMG61775.png" baseline="25" class="displayed" height="53" id="M345" width="430"></span></span>对所有<年代vg height="18.362499" id="M346" style="vertical-align:-2.34499pt;width:39.799999px;" version="1.1" viewbox="0 0 39.799999 18.362499" width="39.799999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,18.3625)"> <g transform="translate(72,-57.31)"> <text transform="matrix(1,0,0,-1,-71.95,59.7)"> <tspan style="font-size: 12.50px; " x="23.59" y="-2.8699999"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.450001" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.402496" y="0"> ∈</gydF4y2Batspan> </text> </g> </g> </svg>。不平等<年代vg height="17.6625" id="M347" style="vertical-align:-5.41734pt;width:143.45px;" version="1.1" viewbox="0 0 143.45 17.6625" width="143.45" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.6625)"> <g transform="translate(72,-57.87)"> <text transform="matrix(1,0,0,-1,-71.95,63.32)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ‖</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.5390692" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.966091" y="0"> ‖</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-50.43,60.2)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-44.24,58.01)"> <tspan style="font-size: 6.25px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-40.61,60.2)"> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-31.03,58.01)"> <tspan style="font-size: 6.25px; " x="0" y="0"> 0</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-27.4,60.2)"> <tspan style="font-size: 8.75px; " x="0" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-20.52,63.32)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ≤</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.417398" y="0"> ‖</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.956469" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="35.395992" y="0"> ‖</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,21.43,60.2)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,27.62,58.01)"> <tspan style="font-size: 6.25px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,31.25,60.2)"> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.0518398" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>很容易从(<一个href="#eq4.6">4.16</一个>)<gydF4y2Ba年代vg height="13.4875" id="M348" style="vertical-align:-2.34499pt;width:10.675px;" version="1.1" viewbox="0 0 10.675 13.4875" width="10.675" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.4875)"> <g transform="translate(72,-61.21)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>。</p><p>gydF4y2Ba因为我们也有<年代vg height="17.549999" id="M349" style="vertical-align:-5.32956pt;width:139.8px;" version="1.1" viewbox="0 0 139.8 17.549999" width="139.8" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.55)"> <g transform="translate(72,-57.96)"> <text transform="matrix(1,0,0,-1,-71.95,63.32)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ‖</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.5390692" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="14.966091" y="0"> ‖</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-50.43,60.2)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-44.24,58.01)"> <tspan style="font-size: 6.25px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-40.61,60.2)"> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.0518398" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-25.67,63.32)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ≤</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.417398" y="0"> ‖</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.956469" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="35.395992" y="0"> ‖</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,16.27,60.2)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,24.7,63.57)"> <tspan style="font-size: 6.25px; " x="0" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,28.32,60.2)"> <tspan style="font-size: 8.75px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="2.9144161" y="0"> γ.</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.0518398" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>的下界(<一个href="#eq3.3">3.10</一个>)通过下限(<一个href="#eq4.2">4.2</一个>).</p><p><我>的上限</我>。通过上限(<一个href="#eq4.2">4.2</一个>),这足以说明下列不平等<年代p一个nclass="displayed-label" id="eq0038"><span altimg="C:\WINDOWS\Temp\MMLIMG61780.png" baseline="18" class="displayed" height="39" id="M350" width="594"></span></span>然而,第一个不平等只是痕迹定理,第二个是嵌入定理的SoboLev-Rellich。我们注意到,<年代vg height="16.6" id="M351" style="vertical-align:-4.74141pt;width:54.349998px;" version="1.1" viewbox="0 0 54.349998 16.6" width="54.349998" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.6)"> <g transform="translate(72,-58.72)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.1,60.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-57.27,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.402496" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>第三个不等式是椭圆算子的标准估计。</p><gydF4y2Bah4 id="spectrum-of-toeplitz-operators-in-a-reinhardt-domain">5.Reinhardt域上Toeplitz算子的谱</gydF4y2Bah4> <p>在这种情况下<年代vg height="10.325" id="M352" style="vertical-align:-0.0pt;width:13.2875px;" version="1.1" viewbox="0 0 13.2875 10.325" width="13.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>莱因哈特领域是一个可以加强的部分吗<年代vg height="13.45" id="M353" style="vertical-align:-2.21957pt;width:17.875px;" version="1.1" viewbox="0 0 17.875 13.45" width="17.875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.45)"> <g transform="translate(72,-61.24)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.039909" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>lemma.<一个href="#lem3.6">3.6</一个>。假设<年代vg height="10.6125" id="M354" style="vertical-align:-0.0pt;width:17.737499px;" version="1.1" viewbox="0 0 17.737499 10.6125" width="17.737499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6125)"> <g transform="translate(72,-63.51)"> <text transform="matrix(1,0,0,-1,-71.95,63.56)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-61.42,68.56)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∘</gydF4y2Batspan> </text> </g> </g> </svg>的内部<年代vg height="10.325" id="M355" style="vertical-align:-0.0pt;width:13.2875px;" version="1.1" viewbox="0 0 13.2875 10.325" width="13.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,是雷皮特域。这意味着<年代vg height="11.1125" id="M356" style="vertical-align:-0.33858pt;width:44.9375px;" version="1.1" viewbox="0 0 44.9375 11.1125" width="44.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.1125)"> <g transform="translate(72,-63.11)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 0</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7148314" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.75522" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-39.66,68.5)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∘</gydF4y2Batspan> </text> </g> </g> </svg>而如果<年代vg height="11.0375" id="M357" style="vertical-align:-0.33858pt;width:44.924999px;" version="1.1" viewbox="0 0 44.924999 11.0375" width="44.924999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0375)"> <g transform="translate(72,-63.17)"> <text transform="matrix(1,0,0,-1,-71.95,63.56)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7023277" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.742718" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-39.67,68.56)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∘</gydF4y2Batspan> </text> </g> </g> </svg>,则集合<年代p一个nclass="displayed-label" id="eq0039"><span altimg="C:\WINDOWS\Temp\MMLIMG61788.png" baseline="15" class="displayed" height="39" id="M358" width="323"></span></span>是<年代vg height="10.6125" id="M359" style="vertical-align:-0.0pt;width:17.737499px;" version="1.1" viewbox="0 0 17.737499 10.6125" width="17.737499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6125)"> <g transform="translate(72,-63.51)"> <text transform="matrix(1,0,0,-1,-71.95,63.56)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-61.42,68.56)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∘</gydF4y2Batspan> </text> </g> </g> </svg>。如果一组<年代p一个nclass="displayed-label" id="eq0040"><span altimg="C:\WINDOWS\Temp\MMLIMG61790.png" baseline="15" class="displayed" height="39" id="M360" width="370"></span></span>是通常意义上的凸吗<年代vg height="10.6125" id="M361" style="vertical-align:-0.0pt;width:17.737499px;" version="1.1" viewbox="0 0 17.737499 10.6125" width="17.737499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6125)"> <g transform="translate(72,-63.51)"> <text transform="matrix(1,0,0,-1,-71.95,63.56)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-61.42,68.56)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∘</gydF4y2Batspan> </text> </g> </g> </svg>是对数凸的,那么<年代vg height="10.6125" id="M362" style="vertical-align:-0.0pt;width:17.737499px;" version="1.1" viewbox="0 0 17.737499 10.6125" width="17.737499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.6125)"> <g transform="translate(72,-63.51)"> <text transform="matrix(1,0,0,-1,-71.95,63.56)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-61.42,68.56)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∘</gydF4y2Batspan> </text> </g> </g> </svg>是一个全纯域。表示由<年代vg height="17.5875" id="M363" style="vertical-align:-3.13504pt;width:94.425003px;" version="1.1" viewbox="0 0 94.425003 17.5875" width="94.425003" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,17.5875)"> <g transform="translate(72,-57.93)"> <text transform="matrix(1,0,0,-1,-71.95,61.1)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-64.76,57.98)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-53.42,61.1)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ∶</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.8523636" y="0"> ℝ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-34.22,66.1)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-22.98,61.1)"> <tspan style="font-size: 12.50px; " x="0" y="0"> →</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.12911" y="0"> ℝ</gydF4y2Batspan> </text> </g> </g> </svg>由<年代p一个nclass="displayed-label" id="eq0041"><span altimg="C:\WINDOWS\Temp\MMLIMG61794.png" baseline="23" class="displayed" height="55" id="M364" width="193"></span></span>我们表示<年代vg height="20.862499" id="M365" style="vertical-align:-3.80708pt;width:257.375px;" version="1.1" viewbox="0 0 257.375 20.862499" width="257.375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,20.8625)"> <g transform="translate(72,-55.31)"> <text transform="matrix(1,0,0,-1,-71.95,59.15)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.214951" y="0"> ∶</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.079819" y="0"> ℱ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-40.37,64.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="9.0200005"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-27.88,59.15)"> <tspan style="font-size: 12.50px; " x="0" y="0"> →</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.26" y="-2.96"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.139999" y="0"> ℋ</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="33.068821" y="0"> ∶</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="39.457855" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="51.498245" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,32.48,56.02)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,37.35,59.15)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="13.690785" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="18.892033" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,61.81,64.15)"> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="8.9095364" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="15.000928" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="17.433985" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="23.271568" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="26.185984" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="27.936384" y="0"> </gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="32.303631" y="0"> |</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,95.87,67.72)"> <tspan style="font-size: 6.25px; " x="0" y="0"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,99.99,59.15)"> <tspan style="font-size: 12.50px; " x="0" y="0"> d</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.2515001" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.12863" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.29213" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.531126" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="29.694626" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>嵌入操作符。的<年代vg height="7.1875" id="M366" style="vertical-align:-0.13794pt;width:7px;" version="1.1" viewbox="0 0 7 7.1875" width="7" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,7.1875)"> <g transform="translate(72,-66.25)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>值<年代vg height="13.375" id="M367" style="vertical-align:-5.27927pt;width:16.9125px;" version="1.1" viewbox="0 0 16.9125 13.375" width="16.9125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,13.375)"> <g transform="translate(72,-61.3)"> <text transform="matrix(1,0,0,-1,-71.95,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.71" y="5.0900002"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.5099521" y="5.0900002"> </gydF4y2Batspan> </text> </g> </g> </svg>,<年代vg height="14.1" id="M368" style="vertical-align:-0.33858pt;width:46.799999px;" version="1.1" viewbox="0 0 46.799999 14.1" width="46.799999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.1)"> <g transform="translate(72,-60.72)"> <text transform="matrix(1,0,0,-1,-71.74,61.1)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.200048" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.677562" y="0"> ∈</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.717951" y="0"> ℕ</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-40.29,66.1)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>的,<年代vg height="10.5125" id="M369" style="vertical-align:-0.15048pt;width:10.4375px;" version="1.1" viewbox="0 0 10.4375 10.5125" width="10.4375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.5125)"> <g transform="translate(72,-63.59)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>与数字一致<年代p一个nclass="displayed-label" id="eq5.1"><span altimg="C:\WINDOWS\Temp\MMLIMG61800.png" baseline="37" class="displayed" height="76" id="M370" width="124"></span></span>(我们提醒读者在引理中特征值的符号<一个href="#lem3.6">3.6</一个>).与案例<年代vg height="10.875" id="M371" style="vertical-align:-0.15048pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 10.875" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.875)"> <g transform="translate(72,-63.3)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>,<一个href="#B4">10</一个>]以自然为特征值是自然的<年代vg height="10.75" id="M372" style="vertical-align:-0.15048pt;width:9.375px;" version="1.1" viewbox="0 0 9.375 10.75" width="9.375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.75)"> <g transform="translate(72,-63.4)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>元组<年代vg height="16.15" id="M373" style="vertical-align:-3.24037pt;width:102.225px;" version="1.1" viewbox="0 0 102.225 16.15" width="102.225" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.15)"> <g transform="translate(72,-59.08)"> <text transform="matrix(1,0,0,-1,-71.74,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="-0.200048" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.677562" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.717951" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.881451" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-37.42,59.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-32.55,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> ...</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.79225" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="25.006001" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-0.11,59.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,5.56,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>,就像单位立方体中拉普拉斯算子的特征值一样<年代vg height="16.3375" id="M374" style="vertical-align:-1.95624pt;width:39.775002px;" version="1.1" viewbox="0 0 39.775002 16.3375" width="39.775002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.3375)"> <g transform="translate(72,-58.93)"> <text transform="matrix(1,0,0,-1,-71.95,60.93)"> <tspan style="font-size: 12.50px; " x="0" y="0"> [</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> 0</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.414999" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.616247" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.867746" y="0"> ]</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-45.91,66.1)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>,特征值给出的地方<年代vg height="19.299999" id="M375" style="vertical-align:-4.26343pt;width:220.325px;" version="1.1" viewbox="0 0 220.325 19.299999" width="220.325" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,19.3)"> <g transform="translate(72,-56.56)"> <text transform="matrix(1,0,0,-1,-71.95,60.86)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.414999" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="18.00432" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-49.77,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-38.1,60.86)"> <tspan style="font-size: 12.50px; " x="0" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.713151" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="2.513103" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.9273825" y="0"> |</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-25.67,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="9.21"> 2</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-17.32,60.86)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.027886" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="16.191385" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.442884" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.044708" y="0"> )</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,16.9,66.03)"> <tspan style="font-size: 8.75px; " x="0" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="5.99512" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,28.57,60.86)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.1634989" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,40.16,65.87)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="9.2200003"> 1</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,47.82,60.86)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.327718" y="0"> ⋯</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="27.769163" y="0"> +</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="39.121887" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,94.37,65.87)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</gydF4y2Batspan> <tspan style="font-size: 8.75px; " x="0" y="9.1499996"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,100.05,60.86)"> <tspan style="font-size: 12.50px; " x="0" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>。<年代p一个nclass="statement" id="lem5.1"><span class="statement-title">引理5.1。</年代p一个n><我>让<年代vg height="11.0625" id="M376" style="vertical-align:-0.30096pt;width:35.637501px;" version="1.1" viewbox="0 0 35.637501 11.0625" width="35.637501" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="10.114927" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="22.155315" y="0"> 1</gydF4y2Batspan> </text> </g> </g> </svg>和<年代vg height="14.875" id="M377" style="vertical-align:-2.21957pt;width:59.325001px;" version="1.1" viewbox="0 0 59.325001 14.875" width="59.325001" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.875)"> <g transform="translate(72,-60.1)"> <text transform="matrix(1,0,0,-1,-71.95,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.977874" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.230814" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.030766" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="31.445045" y="0"> /</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="34.920879" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="37.634029" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="37.433983" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="44.848263" y="0"> |</gydF4y2Batspan> </text> </g> </g> </svg>。然后</我><年代p一个nclass="displayed-label" id="eq5.2"><span altimg="C:\WINDOWS\Temp\MMLIMG61808.png" baseline="19" class="displayed" height="47" id="M378" width="417"></span></span><i></i></span></p> <p><span class="statement" id="proof7"><span class="statement-title"><i class="statement-title">证明。</我></年代p一个n>分母在(<一个href="#eq5.1">5.4</一个>)很容易计算出来<年代p一个nclass="displayed-label" id="eq0042"><span altimg="C:\WINDOWS\Temp\MMLIMG61809.png" baseline="17" class="displayed" height="50" id="M379" width="203"></span></span>对于分子,我们从上到下进行估计,如[<一个href="#B9">12</一个>].首先,请注意,<年代p一个nclass="displayed-label" id="eq0043"><span altimg="C:\WINDOWS\Temp\MMLIMG61810.png" baseline="21" class="displayed" height="51" id="M380" width="332"></span></span>在哪里<年代vg height="14.6125" id="M381" style="vertical-align:-2.21957pt;width:38.037498px;" version="1.1" viewbox="0 0 38.037498 14.6125" width="38.037498" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.6125)"> <g transform="translate(72,-60.31)"> <text transform="matrix(1,0,0,-1,-71.95,62.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> d</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="7.7268538" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.2515001" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.12863" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.29213" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.168779" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>是变换后的测度。很明显<年代p一个nclass="displayed-label" id="eq0044"><span altimg="C:\WINDOWS\Temp\MMLIMG61812.png" baseline="9" class="displayed" height="27" id="M382" width="235"></span></span>对于另一个方向的不等式,固定<年代vg height="11.0625" id="M383" style="vertical-align:-0.30096pt;width:35.1875px;" version="1.1" viewbox="0 0 35.1875 11.0625" width="35.1875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,11.0625)"> <g transform="translate(72,-63.15)"> <text transform="matrix(1,0,0,-1,-71.95,63.5)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.7523403" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="21.792728" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>。超平面<年代p一个nclass="displayed-label" id="eq0045"><span altimg="C:\WINDOWS\Temp\MMLIMG61814.png" baseline="9" class="displayed" height="27" id="M384" width="163"></span></span>削减<年代vg height="14.2" id="M385" style="vertical-align:-2.73372pt;width:40.862499px;" version="1.1" viewbox="0 0 40.862499 14.2" width="40.862499" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.2)"> <g transform="translate(72,-60.64)"> <text transform="matrix(1,0,0,-1,-71.95,63.41)"> <tspan style="font-size: 12.50px; " x="0" y="0"> l</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="3.4758339" y="0"> o</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="9.727334" y="0"> g</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="18.054333" y="0"> |</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="20.554932" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="30.082218" y="0"> |</gydF4y2Batspan> </text> </g> </g> </svg>在两个组件。让<年代vg height="14.3625" id="M386" style="vertical-align:-3.2316pt;width:15.5375px;" version="1.1" viewbox="0 0 15.5375 14.3625" width="15.5375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3625)"> <g transform="translate(72,-60.51)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-64.52,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> </g> </g> </svg>是不等式的分量<年代vg height="16.025" id="M387" style="vertical-align:-3.13504pt;width:138.66251px;" version="1.1" viewbox="0 0 138.66251 16.025" width="138.66251" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,16.025)"> <g transform="translate(72,-59.18)"> <text transform="matrix(1,0,0,-1,-71.95,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⟨</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.2012482" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="5.0012002" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.415479" y="0"> ,</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="17.62923" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="24.50588" y="0"> ⟩</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="32.982914" y="0"> ≥</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="45.023304" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="49.186802" y="0"> 1</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="58.213966" y="0"> −</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="69.554192" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="75.843201" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="80.006699" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,15.25,59.23)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,23.12,62.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.37605" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="4.176002" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="11.590281" y="0"> )</gydF4y2Batspan> </text> </g> </g> </svg>成立。然后我们有<年代p一个nclass="displayed-label" id="eq0046"><span altimg="C:\WINDOWS\Temp\MMLIMG61818.png" baseline="21" class="displayed" height="51" id="M388" width="551"></span></span>在哪里<年代vg height="21.375" id="M389" style="vertical-align:-6.74023pt;width:119.8375px;" version="1.1" viewbox="0 0 119.8375 21.375" width="119.8375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,21.375)"> <g transform="translate(72,-54.9)"> <text transform="matrix(1,0,0,-1,-71.95,61.67)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-63.56,58.55)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-55.19,61.67)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="12.04" y="0.02"> ∫</gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-39.7,57.21)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-34.5,55.02)"> <tspan style="font-size: 6.25px; " x="0" y="0"> </gydF4y2Batspan> </text> <text transform="matrix(1,0,0,-1,-28.28,61.67)"> <tspan style="font-size: 12.50px; " x="0" y="0"> d</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="7.739357" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="6.2640028" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="15.141133" y="0"> (</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="19.304632" y="0"> </gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="26.181282" y="0"> )</gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="33.808113" y="0"> ></gydF4y2Batspan> <tspan style="font-size: 12.50px; " x="45.835999" y="0"> 0</gydF4y2Batspan> </text> </g> </g> </svg>。由此可见,<年代p一个nclass="displayed-label" id="eq0047"><span altimg="C:\WINDOWS\Temp\MMLIMG61820.png" baseline="72" class="displayed" height="152" id="M390" width="422"></span></span>的(<一个href="#eq5.2">5.5</一个>)。</年代p一个n></p><h4 id="acknowledgment">承认</gydF4y2Bah4> <p>作者要感谢他的导师,Grigori Rozenblum教授,是他向他介绍了这个问题,并给予了他所需要的一切支持。</p></d我v> <div class="xml-content"> <h4 class="references" id="references">参考</gydF4y2Bah4> <ol> <li id="B3">V. 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Taylor,<我>部分微分方程II:线性方程的定性研究</我>,第116卷<我>应用数学科学</我>1996年,美国纽约,施普林格。<年代p一个nclass="reflinks">视图:<一个href="https://www.zentralblatt-math.org/zmath/en/advanced/?q=an%3A0869.35003">Zentralblatt数学</一个><年代p一个nclass="sep">|</年代p一个n><一个href="https://www.ams.org/mathscinet-getitem?mr=MR1395149">MathSciNet</一个></年代p一个n></li> </ol> </div> <div class="xml-content"> <h4 class="copyright" id="copyright">版权</gydF4y2Bah4> <p>Mikael Persson版权所有。这是一篇开放获取的文章<一个rel="license" href="http://creativecommons.org/licenses/by/3.0/">知识共享署名许可</一个>,允许在任何媒介上不受限制地使用、分发和复制,只要原稿被适当引用。</p></d我v> </div> </article> </div> </div> </div> <div class="biblio__Wrapper-sc-1nou1lz-0 eyHfWh journal_article__BiblioIntegratorWidget-sc-12fk6zy-5 dbAANp article_widget biblioWrapper hide"> <hr> <h4 class="biblio__H4-sc-1nou1lz-2 kgAKHb hrTitleRef">更多相关文章</gydF4y2Bah4> <div id="biblio_widget" class="biblio__BiblioWrapper-sc-1nou1lz-1 bmtApD"></div> </div> </div> </div> <div class="threeColumn__RightWrapper-sc-1bf4078-2 jzTMLK 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src="data:image/svg+xml;base64,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" height="24"><span class="text">下载引用</年代p一个n></年代p一个n><span class="sc-htoDjs bqeMOy sc-dqBHgY cQgXqt fileArrow icon-colored _3P4iUn1NDM5G77nWCamJ4l icon-themeable" title="" font-size="20"></span></a> <a class="sc-htpNat bUhGXt link sc-jtRfpW dIjoCg sc-kcDeIU cpLlMu ref_desktop" href="//www.newsama.com/journals/amp/2009/873704.ris" aria-label="" target="" id="toolbar__dcNavSmall"><span><img alt="" class="sc-EHOje jOLhQl sc-kTUwUJ eujois" title="" role="presentation" src="data:image/svg+xml;base64,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" height="24"><span class="text">引用</年代p一个n></年代p一个n><span class="sc-htoDjs bqeMOy sc-dqBHgY cQgXqt fileArrow icon-colored _3P4iUn1NDM5G77nWCamJ4l icon-themeable" title="" font-size="20"></span></a> </div> </div> <div class="journal_article__ArticleStickyBottomToolbar-sc-12fk6zy-1 isgRZA article_sticky_bottom_toolbar"> <div class="sc-cHSUfg kdoIIa article_bottom_toolbar"> <div class="sc-cTjmhe begQDP accordion" property="background-color" color="#D8D8D8" id="toolbar__dofNav"> <span><img alt="" class="sc-EHOje jOLhQl sc-eAKXzc bESoPs" title="" role="presentation" src="data:image/svg+xml;base64,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" height="24"><span class="sc-gbOuXE SDMqt">下载其他格式</年代p一个n><年代p一个nclass="sc-dRFtgE jooXYL">更多的</年代p一个n></年代p一个n> <span class="sc-htoDjs bMdQcY sc-bfYoXt VdeWO icon-colored _1CwL9R82TPl2HxDleeYGDR icon-themeable" title="" font-size="11"></span> </div> <div class="sc-cugefK dCMfhd"> <a class="sc-htpNat bUhGXt link sc-fnwBNb kfscSt open_panel" href="//www.newsama.com/downloads/journals/amp/2009/873704.xml" aria-label="XML" property="background-color" color="#D8D8D8"> <div class="sc-iNhVCk brvugV"> XML.</d我v><img alt="" class="sc-EHOje jOLhQl sc-eAKXzc bESoPs" title="" role="presentation" src="data:image/svg+xml;base64,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" 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height="24"><span class="sc-gbOuXE SDMqt">订单打印副本</年代p一个n><年代p一个nclass="sc-dRFtgE jooXYL">命令</年代p一个n></年代p一个n><span class="sc-htoDjs kNoiZu sc-bfYoXt VdeWO right__icon icon-colored _32KP5uexH-Bgs7Kj8Gk1Tz icon-themeable" title="" font-size="16"></span></a> <div class="sc-cqpYsc krPIEq"> <div class="sc-hBbWxd hdkxPJ"> <div> 的观点<年代p一个n>790</gydF4y2Ba年代p一个n></d我v> <div> 下载<年代p一个n>527</gydF4y2Ba年代p一个n></d我v> </div> <div> <div class="sc-dyGzUR cmbuIE"> <span class="__dimensions_badge_embed__" data-doi="10.1155/2009/873704" data-style="small_circle"></span>引用</d我v> </div> </div> <nav class="sc-bRBYWo fXBKFa sc-gkFcWv gXvjfo" id="toolbar__iconNav"> <h3 class="sc-Rmtcm hNPrIr">分享文章</gydF4y2Bah3> <ul class="sc-hzDkRC bnbfTS"> <li class="iconBorder"><a class="sc-htpNat bUhGXt link" href="https://twitter.com/share?url=https://doi.org/10.1155/2009/873704&via=Hindawi" aria-label="Sharing on Twitter" rel="noopener noreferrer" target="_blank"><img alt="" class="sc-EHOje jOLhQl socialTwitter" title="" 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