Théorème de l’application spectrale pour le spectre essentiel quasi-Fredholm

DOI10.1090/S0002-9939-97-03431-XzbMath0870.47003OpenAlexW1573764128MaRDI QIDQ4333009

Abdelmalek Ouahab, Mohammed Berkani

Publication date: 19 February 1997

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/s0002-9939-97-03431-x

zbMATH Keywords

nilpotent operatoressential quasi-Fredholm spectrumclosed semi-Fredholm operator

Mathematics Subject Classification ID

Functional calculus for linear operators (47A60) Spectrum, resolvent (47A10) (Semi-) Fredholm operators; index theories (47A53)

Related Items

Essentially regular operators in Banach spaces ⋮ Regular linear relations on Banach spaces ⋮ Retracted: Spectral mapping theorem for generalized Kato spectrum ⋮ Quasi-Fredholm linear relations in Hilbert spaces ⋮ Quasi-Fredholm and semi-B-Fredholm linear relations ⋮ \(B\)-Fredholm linear relations in Hilbert spaces

Cites Work

• Perturbation theory for nullity, deficiency and other quantities of linear operators
• Les opérateurs quasi Fredholm: Une généralisation des opérateurs semi Fredholm
• Generalisation de la decomposition de kato aux opérateurs paranormaux et spectraux
• Unnamed Item
• Unnamed Item