Some results about spectral continuity and compact perturbations

DOI10.2298/FIL2014837SzbMath1500.47013MaRDI QIDQ5081377

Sergio Palafox, Slaviša V. Djordjević, Salvador Sánchez-Perales

Publication date: 14 June 2022

Published in: Filomat (Search for Journal in Brave)

zbMATH Keywords

compact perturbationscontinuity of the spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53) Operators on Hilbert spaces (general) (47B02)

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