\(B\)-Weyl and Drazin invertible operators linked by weak pseudo \(S_0\)-demicompactness

DOI10.1007/s11587-021-00626-9OpenAlexW3192639085MaRDI QIDQ6196263

Bilel Trabelsi, Bilel Krichen

Publication date: 14 March 2024

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

Full work available at URL: https://doi.org/10.1007/s11587-021-00626-9

zbMATH Keywords

Drazin invertible operators\(B\)-Weyl operators\(\varepsilon\)-pseudo \(B\)-Fredholm operatorsmeasure of noncompactness and pseudospectrumweakly pseudo \(S_0\)-demicompact operator

Mathematics Subject Classification ID

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

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• On the perturbation theory for Fredholm operators
• On measures of weak noncompactness
• On a class of quasi-Fredholm operators
• Relative essential spectra involving relative demicompact unbounded linear operators
• Construction of fixed points of demicompact mappings in Hilbert space
• Ascent, descent, nullity and defect, a note on a paper by A.E. Taylor
• Spectral analysis using ascent, descent, nullity and defect
• An Atkinson-type theorem for B-Fredholm operators
• Index of B-Fredholm operators and generalization of a Weyl theorem
• B-Fredholm and Drazin invertible operators through localized SVEP
• Demicompact linear operators, essential spectrum and some perturbation results
• Pseudo-Inverses in Associative Rings and Semigroups
• ON A CLASS OF GENERALIZED FREDHOLM OPERATORS, I
• ON A CLASS OF GENERALIZED FREDHOLM OPERATORS, V
• Weakly demicompact linear operators and axiomatic measures of weak noncompactness
• Spectral Theory and Applications of Linear Operators and Block Operator Matrices

This page was built for publication: \(B\)-Weyl and Drazin invertible operators linked by weak pseudo \(S_0\)-demicompactness