A perturbation theorem for the essential spectral radius of strongly continuous semigroups

DOI10.1007/BF01303264zbMath0433.47022OpenAlexW2146910910MaRDI QIDQ1139273

Publication date: 1980

Published in: Monatshefte für Mathematik (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/177988

zbMATH Keywords

essential spectral radius Jörgens-Vidav semigroup perturbation theorem power compact perturbations

Mathematics Subject Classification ID

Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Groups and semigroups of linear operators (47D03)

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