\(B\)-essential and \(B\)-Weyl spectra of sum of two commuting bounded operators

DOI10.1007/s13226-015-0167-yOpenAlexW2290533227MaRDI QIDQ1616726

Faiçal Abdmouleh

Publication date: 7 November 2018

Published in: Indian Journal of Pure \& Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s13226-015-0167-y

zbMATH Keywords

finite rank operators\(B\)-Fredholm operators\(B\)-essential spectra

Mathematics Subject Classification ID

Operator theory (47-XX)

Related Items (3)

B-essential and B-Weyl spectra of sum of two commuting bounded operators by means operator pencils ⋮ B-essential spectra of operators matrix block \(3\times 3\) applied to a radiative transfer equations in a channel ⋮ B-essential spectra of \(2 \times 2\) block operator matrix pencils

Cites Work

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• Les opérateurs quasi Fredholm: Une généralisation des opérateurs semi Fredholm
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• Gustafson, weidman, kato, wolf, schechter, browder, Rakočević and Schmoeger essential spectra of the sum of two bounded operators and application to a transport operator
• The spectral mapping theorem for the essential approximate point spectrum
• Invariance of the essential spectrum
• Spectral Mapping Theorems and Perturbation Theorems for Browder's Essential Spectrum
• Ascent, Descent, and Commuting Perturbations

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