On spectral variations under relatively bounded perturbations

DOI10.1007/PL00000458zbMath0989.47006OpenAlexW2085889247MaRDI QIDQ5943645

Michael I. Gil'

Publication date: 2001

Published in: Archiv der Mathematik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/pl00000458

zbMATH Keywords

bounds for eigenvaluesspectrum perturbations

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55)

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