Weakly demicompact linear operators and axiomatic measures of weak noncompactness

DOI10.1515/ms-2017-0317zbMath1486.47008OpenAlexW2997847303MaRDI QIDQ5142326

Bilel Krichen, Donal O'Regan

Publication date: 30 December 2020

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

Full work available at URL: https://doi.org/10.1515/ms-2017-0317

zbMATH Keywords

Fredholm operatormeasure of weak noncompactnesssemi-Fredholm operatorweakly demicompact operatorrelative essential spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53)

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