Some spectral results for demicompact operators and their restrictions with an application to transport equations

DOI10.1007/s11587-022-00688-3MaRDI QIDQ6598035

Bilel Trabelsi, Bilel Krichen

Publication date: 4 September 2024

Published in: Ricerche di Matematica (Search for Journal in Brave)

zbMATH Keywords

measure of noncompactnessquasi Fredholm operatorsS-essential radiusweakly \(S_0\)-demicompact operator

Mathematics Subject Classification ID

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

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