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Left–Right Fredholm and Weyl Spectra of the Sum of Two Bounded Operators and Applications

✍ Scribed by Baloudi, Hatem; Jeribi, Aref

Book ID
121584641
Publisher
SP Birkhäuser Verlag Basel
Year
2013
Tongue
English
Weight
291 KB
Volume
11
Category
Article
ISSN
1660-5446

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## Abstract In this paper we investigate the essential spectra of the sum of two bounded linear operators defined on a Banach space by means of the essential spectra of each of the two operators where their products are Fredholm or semi‐Fredholm perturbations. Furthermore, we give an application to