Ascent, descent and essential quasi-Fredholm spectrum

DOI10.1007/BF02977027zbMath0885.47004MaRDI QIDQ1365585

Mostafa Mbekhta

Publication date: 23 April 1998

Published in: Rendiconti del Circolo Matemàtico di Palermo. Serie II (Search for Journal in Brave)

zbMATH Keywords

descentascentessential quasi-Fredholm spectrum

Mathematics Subject Classification ID

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

Related Items (8)

Unnamed Item ⋮ Pseudo-Fredholm operators in Banach spaces ⋮ Quasi-Fredholm linear relations in Hilbert spaces ⋮ \(B\)-Fredholm linear relations in Hilbert spaces ⋮ Operators with Finite Chain Length and the Ergodic Theorem ⋮ Unnamed Item ⋮ Unnamed Item ⋮ Symmetric difference between pseudo B-Fredholm spectrum and spectra originated from fredholm theory

Cites Work

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• Perturbation theory for nullity, deficiency and other quantities of linear operators
• Operators which satisfy polynomial growth conditions
• Les opérateurs quasi Fredholm: Une généralisation des opérateurs semi Fredholm
• Operators with finite ascent and descent
• Generalisation de la decomposition de kato aux opérateurs paranormaux et spectraux
• A characterization of spectral operators on Hilbert spaces
• On Majorization, Factorization, and Range Inclusion of Operators on Hilbert Space

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