Perturbation of semi-Browder operators and stability of Browder's essential defect and approximate point spectrum

DOI10.1016/j.jmaa.2008.05.080zbMath1151.47020OpenAlexW2000010572MaRDI QIDQ936589

Maher Mnif, Fatma Fakhfakh

Publication date: 14 August 2008

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jmaa.2008.05.080

zbMATH Keywords

Browder's essential approximate point spectrumBrowder's essential defect spectrumsemi-Browder operators

Mathematics Subject Classification ID

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

Related Items (6)

Perturbations results for some classes related to Browder linear relations and applications ⋮ Coperturbation function and lower semi-Browder multivalued linear operators ⋮ On the analysis of some perturbed Browder's operators ⋮ Characterization of closed densely defined semi-Browder linear operators ⋮ On closed upper and lower semi-Browder operators ⋮ Perturbation of semi-Browder linear relations by commuting Riesz operators

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• Semi-Fredholm Operators with Finite Ascent or Descent and Perturbations
• Ascent, Descent, and Commuting Perturbations
• Spectral theory of linear operators and spectral systems in Banach algebras

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