Pseudospectra and eigenvalue asymptotics for disordered non-selfadjoint operators in the semiclassical limit

The purpose of this note is to review certain recent results concerning the pseudospectra and the eigenvalues asymptotics of non-selfadjoint semiclassical pseudo-differential operators subject to small random perturbations.

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Main Author: Martin Vogel
Format: Article
Language:English
Published: Frontiers Media S.A. 2024-12-01
Series:Frontiers in Applied Mathematics and Statistics
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fams.2024.1508973/full
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author Martin Vogel
author_facet Martin Vogel
author_sort Martin Vogel
collection DOAJ
description The purpose of this note is to review certain recent results concerning the pseudospectra and the eigenvalues asymptotics of non-selfadjoint semiclassical pseudo-differential operators subject to small random perturbations.
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institution Kabale University
issn 2297-4687
language English
publishDate 2024-12-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Applied Mathematics and Statistics
spelling doaj-art-24c30d474f564b4fb8d60efe7ed94ff82024-12-02T06:23:20ZengFrontiers Media S.A.Frontiers in Applied Mathematics and Statistics2297-46872024-12-011010.3389/fams.2024.15089731508973Pseudospectra and eigenvalue asymptotics for disordered non-selfadjoint operators in the semiclassical limitMartin VogelThe purpose of this note is to review certain recent results concerning the pseudospectra and the eigenvalues asymptotics of non-selfadjoint semiclassical pseudo-differential operators subject to small random perturbations.https://www.frontiersin.org/articles/10.3389/fams.2024.1508973/fullsemiclassical analysisnon-selfadjoint operatorsrandom matrixspectral theorypartial differential equation (PDE)
spellingShingle Martin Vogel
Pseudospectra and eigenvalue asymptotics for disordered non-selfadjoint operators in the semiclassical limit
Frontiers in Applied Mathematics and Statistics
semiclassical analysis
non-selfadjoint operators
random matrix
spectral theory
partial differential equation (PDE)
title Pseudospectra and eigenvalue asymptotics for disordered non-selfadjoint operators in the semiclassical limit
title_full Pseudospectra and eigenvalue asymptotics for disordered non-selfadjoint operators in the semiclassical limit
title_fullStr Pseudospectra and eigenvalue asymptotics for disordered non-selfadjoint operators in the semiclassical limit
title_full_unstemmed Pseudospectra and eigenvalue asymptotics for disordered non-selfadjoint operators in the semiclassical limit
title_short Pseudospectra and eigenvalue asymptotics for disordered non-selfadjoint operators in the semiclassical limit
title_sort pseudospectra and eigenvalue asymptotics for disordered non selfadjoint operators in the semiclassical limit
topic semiclassical analysis
non-selfadjoint operators
random matrix
spectral theory
partial differential equation (PDE)
url https://www.frontiersin.org/articles/10.3389/fams.2024.1508973/full
work_keys_str_mv AT martinvogel pseudospectraandeigenvalueasymptoticsfordisorderednonselfadjointoperatorsinthesemiclassicallimit