On a Generalized Punctured Neighborhood Theorem in L (X)

DOI10.2307/2160725zbMath0836.47002OpenAlexW1966514534MaRDI QIDQ4844440

Christoph Schmoeger

Publication date: 29 April 1996

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

Full work available at URL: https://doi.org/10.2307/2160725

zbMATH Keywords

essential spectrumsemi-Fredholm operatorupper semi-Fredholmbounded linear operator on a complex Banach space

Mathematics Subject Classification ID

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

Related Items (3)

Spectrum of weighted composition operators. V: Spectrum and essential spectra of weighted rotation-like operators ⋮ A note on the punctured neighbourhood theorem ⋮ Spectrum of weighted composition operators. VIII: Lower semi-Fredholm spectrum of weighted composition operators on \(C(K)\). The case of non-invertible surjections

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