Semi-Fredholm Operators with Finite Ascent or Descent and Perturbations

DOI10.2307/2161912zbMath0854.47008OpenAlexW4242788215MaRDI QIDQ4874281

Vladimir Rakočevič

Publication date: 21 April 1996

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

Full work available at URL: https://doi.org/10.2307/2161912

zbMATH Keywords

semi-Fredholm operatorsfinite ascentcommuting operator perturbations

Mathematics Subject Classification ID

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

Related Items (15)

Perturbations results for some classes related to Browder linear relations and applications ⋮ On the equivalence of Weyl theorem and generalized Weyl theorem ⋮ On the analysis of some perturbed Browder's operators ⋮ The stability of the single valued extension property ⋮ Characterization of closed densely defined semi-Browder linear operators ⋮ Weyl spectra and Weyl's theorem. ⋮ Perturbation of semi-Browder operators and stability of Browder's essential defect and approximate point spectrum ⋮ Perturbation of semi-Browder linear relations by commuting Riesz operators ⋮ Weyl's theorem for algebraically \(wF(p, r, q)\) operators with \(p, r > 0\) and \(q \geq 1\) ⋮ On Weyl's theorem for functions of operators ⋮ B-Browder spectra and localized SVEP ⋮ Perturbation results on semi-Fredholm operators and applications ⋮ Property \((\omega _{1})\) and Weyl type theorem ⋮ Some spectral mapping theorems through local spectral theory ⋮ Some perturbation results for ascent and descent via measure of non-compactness

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