S-essential spectra and measure of noncompactness

DOI10.1515/MS-2017-0043OpenAlexW2759144225MaRDI QIDQ5363354

C. Belabbaci, Mekki Terbeche, Mouloud Aissani

Publication date: 5 October 2017

Published in: Mathematica Slovaca (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/ms-2017-0043

zbMATH Keywords

spectral radiusmeasure of noncompactnessFredholm operatorsS-essential spectra

Mathematics Subject Classification ID

Several-variable operator theory (spectral, Fredholm, etc.) (47A13) (Semi-) Fredholm operators; index theories (47A53) Compactness in Banach (or normed) spaces (46B50) Measures of noncompactness and condensing mappings, (K)-set contractions, etc. (47H08)

Related Items (2)

Spectral radius of S-essential spectra ⋮ The S-Jeribi essential spectrum

Cites Work

• Stability of the \(S\)-left and \(S\)-right essential spectra of a linear operator
• Perturbation theory for nullity, deficiency and other quantities of linear operators
• Perturbation results on semi-Fredholm operators and applications
• Contributions to the spectral theory for nonlinear operators in Banach spaces
• S-essential spectra and application to an example of transport operators

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