Stability of essential B-spectra of unbounded linear operators and applications

DOI10.1007/s13370-018-0609-xzbMath1413.47012OpenAlexW2885678889WikidataQ129411463 ScholiaQ129411463MaRDI QIDQ1715775

Nedra Moalla, Monia Boudhief, Mohamed Berkani

Publication date: 29 January 2019

Published in: Afrika Matematika (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s13370-018-0609-x

zbMATH Keywords

matrix operatormeromorphicB-Fredholmessential B-spectrageneralized Weyl theorempolynomially finite rank

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) (Semi-) Fredholm operators; index theories (47A53)

Related Items (5)

B-essential spectra of operators matrix block \(3\times 3\) applied to a radiative transfer equations in a channel ⋮ On location of spectra of unbounded operators in the right half-plane ⋮ Characterization of B-Fredholm quotient operator with application to strict quasi-normal contractions ⋮ Stability of some essential B-spectra of pencil operators and application ⋮ On the B-discrete spectrum

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