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Titlebook: Non-Self-Adjoint Differential Operators, Spectral Asymptotics and Random Perturbations; Johannes Sjöstrand Book 2019 Springer Nature Switz

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发表于 2025-3-21 18:52:47 | 显示全部楼层 |阅读模式
书目名称Non-Self-Adjoint Differential Operators, Spectral Asymptotics and Random Perturbations
编辑Johannes Sjöstrand
视频videohttp://file.papertrans.cn/668/667022/667022.mp4
概述Presents new results of a classic field.Includes open problems.Describes recent developments on topics in non-self-adjoint operator theory
丛书名称Pseudo-Differential Operators
图书封面Titlebook: Non-Self-Adjoint Differential Operators, Spectral Asymptotics and Random Perturbations;  Johannes Sjöstrand Book 2019 Springer Nature Switz
描述.The asymptotic distribution of eigenvalues of self-adjoint differential operators in the high-energy limit, or the semi-classical limit, is a classical subject going back to H. Weyl of more than a century ago..In the last decades there has been a renewed interest in non-self-adjoint differential operators which have many subtle properties such as instability under small perturbations. Quite remarkably, when adding small random perturbations to such operators, the eigenvalues tend to distribute according to Weyl‘s law (quite differently from the distribution for the unperturbed operators in analytic cases). A first result in this direction was obtained by M. Hager in her thesis of 2005. Since then, further general results have been obtained, which are the main subject of the present book..Additional themes from the theory of non-self-adjoint operators are also treated. The methods are very much based on microlocal analysis and especially on pseudodifferential operators. The reader will find a broad field with plenty of open problems..
出版日期Book 2019
关键词Determinant; Eigenvalue; Microlocal analysis; Pseudodifferential operator; Random perturbation; WKB metho
版次1
doihttps://doi.org/10.1007/978-3-030-10819-9
isbn_softcover978-3-030-10818-2
isbn_ebook978-3-030-10819-9Series ISSN 2297-0355 Series E-ISSN 2297-0363
issn_series 2297-0355
copyrightSpringer Nature Switzerland AG 2019
The information of publication is updating

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发表于 2025-3-21 23:52:57 | 显示全部楼层
Spectrum and Pseudo-Spectrum to Kato (Perturbation theory for linear operators, Die Grundlehren der mathematischen Wissenschaften, Band 132. Springer, New York, 1966), Reed and Simon (Methods of modern mathematical physics. I. Functional analysis, 2nd edn. Academic, New York, 1980; Methods of modern mathematical physics. II. F
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Resolvent Estimates Near the Boundary of the Range of the Symboldary-like” points.) The result is due (up to a small generalization) to Montrieux (Estimation de résolvante et construction de quasimode pres du bord du pseudospectre, 2013) and improves earlier results by Martinet (Sur les propriétés spectrales d’opérateurs nonautoadjoints provenant de la mécanique
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Review of Classical Non-self-adjoint Spectral Theory86), see also an appendix in Melin and Sjöstrand (Astérique 284:181–244, 2003) and Sjöstrand and Zworski (Ann Inst Fourier 57:2095–2141, 2007). The remaining sections give a brief account of the very beautiful classical theory of non-self-adjoint operators, taken from a section in Sjöstrand (Lecture
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From Resolvent Estimates to Semigroup Bounds chapter we discuss some abstract results of that type, including the Hille–Yoshida and Gearhardt–Prüss–Hwang–Greiner theorems. As for the latter, we also give a result of Helffer and the author that provides a more precise bound on the semigroup.
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