Stability of the \(S\)-left and \(S\)-right essential spectra of a linear operator

DOI10.1016/S0252-9602(14)60135-1zbMath1340.47024MaRDI QIDQ746732

Bilel Boukettaya, Aymen Ammar, Aref Jeribi

Publication date: 28 October 2015

Published in: Acta Mathematica Scientia. Series B. (English Edition) (Search for Journal in Brave)

zbMATH Keywords

Riesz operatorFredholm perturbation\(S\)-left essential spectra\(S\)-right essential spectra

Mathematics Subject Classification ID

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

Related Items (8)

Spectral theory for polynomially demicompact operators ⋮ S-essential spectra and measure of noncompactness ⋮ Spectral radius of S-essential spectra ⋮ Unnamed Item ⋮ Some decomposition for multivalued matrix pencils linear operator ⋮ The S-Jeribi essential spectrum ⋮ Unnamed Item ⋮ A characterization of S-condition pseudospectrum of multivalued linear operators

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