Spectral radius of S-essential spectra

DOI10.30970/MS.54.1.91-97OpenAlexW3092576199MaRDI QIDQ2216422

C. Belabbaci

Publication date: 16 December 2020

Published in: Matematychni Studiï (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.30970/ms.54.1.91-97

zbMATH Keywords

spectral radiusmeasure of noncompactnessFredholm operatorsS-essential spectra

Mathematics Subject Classification ID

Several-variable operator theory (spectral, Fredholm, etc.) (47A13) Spectrum, resolvent (47A10) (Semi-) Fredholm operators; index theories (47A53) Measures of noncompactness and condensing mappings, (K)-set contractions, etc. (47H08)

Cites Work

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• Stability of the \(S\)-left and \(S\)-right essential spectra of a linear operator
• Perturbation results on semi-Fredholm operators and applications
• Measures of noncompactness and condensing operators. Transl. from the Russian by A. Iacob
• Contributions to the spectral theory for nonlinear operators in Banach spaces
• S-essential spectra and application to an example of transport operators
• Stability of the S-essential spectra on a Banach space
• Spectral Theory and Applications of Linear Operators and Block Operator Matrices
• S-essential spectra and measure of noncompactness
• The radius of the essential spectrum

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