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Title: Browder essential approximate pseudospectrum and defect pseudospectrum on a Banach space
Authors: Ammar, Aymen
Jeribi, Aref
Mahfoudhi, Kamel
Keywords: Pseudospectrum;Browder essential approximate pseudospectrum;Defect pseudospectrum;Pseudoespectro;Pseudoespectro aproximado;Pseudoespectro del defecto;Navegador esencial
Issue Date: 2019
Publisher: Universidad de Extremadura
Abstract: In this paper, we introduce and study the Browder essential approximate pseudospectrum and the Browder essential defect pseudospectrum of bounded linear operators on a Banach space. Moreover, we characterize these spectra and will give some results concerning the stability of them under suitable perturbations.
DOI: 10.17398/2605-5686.34.1.29
Appears in Collections:Extracta Mathematicae Vol. 34, nº 1 (2019)

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