Spectrum localization of a perturbed operator in a strip and applications

DOI10.7494/OpMath.2021.41.3.395OpenAlexW3154355930MaRDI QIDQ5004079

Michael I. Gil'

Publication date: 30 July 2021

Published in: Opuscula Mathematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.7494/opmath.2021.41.3.395

zbMATH Keywords

perturbationapproximationspectrumintegral operatoroperatormatrix

Mathematics Subject Classification ID

Linear operators belonging to operator ideals (nuclear, (p)-summing, in the Schatten-von Neumann classes, etc.) (47B10) Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55)

Cites Work

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• Spectral approximations of unbounded operators of the type ``normal plus compact
• Weyl-type theorems on Banach spaces under compact perturbations
• Weighted integral Hankel operators with continuous spectrum
• Completeness of rank one perturbations of normal operators with lacunary spectrum
• Analysis and operator theory. Dedicated in memory of Tosio Kato's 100th birthday. Foreword by Barry Simon
• Norm estimates for resolvents of linear operators in a Banach space and spectral variations
• Spectrum perturbations of operators on tensor products of Hilbert spaces
• Spectral approximations of unbounded nonselfadjoint operators
• Invertibility conditions and bounds for spectra of matrix integral operators
• On uniqueness of recovering the convolution integro-differential operator from the spectrum of its non-smooth one-dimensional perturbation
• Approximation and asymptotics of eigenvalues of unbounded self-adjoint Jacobi matrices acting in \(l^{2}\) by the use of finite submatrices
• Contributions in Mathematics and Engineering
• Some perturbation results through localized SVEP
• Demicompact linear operators, essential spectrum and some perturbation results
• Spectrum and resolvent of a partial integral operator
• Essential spectrum of local multi-trace boundary integral operators
• Operator Functions and Operator Equations

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