Spectral radius of S-essential spectra

In this paper, we study the spectral radius of some S-essential spectra of a bounded linear operator defined on a Banach space. More precisely, via the concept of measure of noncompactness,we show that for any two bounded linear operators $T$ and $S$ with $S$ non zero and non compact operator the sp...

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Bibliographic Details
Main Author: C. Belabbaci
Format: Article
Language:German
Published: Ivan Franko National University of Lviv 2020-10-01
Series:Математичні Студії
Subjects:
Online Access:http://matstud.org.ua/ojs/index.php/matstud/article/view/22
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