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Sjostrand, Johannes.
Non-self-adjoint differential operators, spectral asymptotics and random perturbations
Record Type:
Language materials, printed : Monograph/item
Title/Author:
Non-self-adjoint differential operators, spectral asymptotics and random perturbations/ by Johannes Sjostrand.
Author:
Sjostrand, Johannes.
Published:
Cham :Springer International Publishing : : 2019.,
Description:
x, 496 p. :ill., digital ; : 24 cm.;
Contained By:
Springer eBooks
Subject:
Nonselfadjoint operators. -
Online resource:
https://doi.org/10.1007/978-3-030-10819-9
ISBN:
9783030108199
Non-self-adjoint differential operators, spectral asymptotics and random perturbations
Sjostrand, Johannes.
Non-self-adjoint differential operators, spectral asymptotics and random perturbations
[electronic resource] /by Johannes Sjostrand. - Cham :Springer International Publishing :2019. - x, 496 p. :ill., digital ;24 cm. - Pseudo-differential operators, theory and applications,v.142297-0355 ;. - Pseudo-differential operators, theory and applications ;v.9.
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.
ISBN: 9783030108199
Standard No.: 10.1007/978-3-030-10819-9doiSubjects--Topical Terms:
906683
Nonselfadjoint operators.
LC Class. No.: QA329.2 / .S586 2019
Dewey Class. No.: 515.7246
Non-self-adjoint differential operators, spectral asymptotics and random perturbations
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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.
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