Inequalities for eigenvalues of compactly perturbed unitary operators

DOI10.7153/OAM-11-32OpenAlexW4238052935MaRDI QIDQ4592781

Michael I. Gil'

Publication date: 8 November 2017

Published in: Operators and Matrices (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.7153/oam-11-32

zbMATH Keywords

resolventeigenvaluesHilbert spacespectrum perturbationsoperator functionsinequalities Schatten -- von Neumann operatorsSylvester operator equations

Mathematics Subject Classification ID

Linear operators belonging to operator ideals (nuclear, (p)-summing, in the Schatten-von Neumann classes, etc.) (47B10) Perturbation theory of linear operators (47A55) Equations involving linear operators, with operator unknowns (47A62)

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