Title of article
On a characterization of the essential spectra of the sum and the product of two operators
Author/Authors
Abdmouleh، نويسنده , , Faiçal and Charfi، نويسنده , , Salma and Jeribi، نويسنده , , Aref، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2012
Pages
8
From page
83
To page
90
Abstract
In this paper, we consider the sum and the product of two operators acting on a Banach space and we present some new and quite general conditions to investigate their Wolf, Schechter and Browder essential spectra.
Keywords
Fredholm operator , Wolf , Schechter and Browder essential spectra , Fredholm perturbation
Journal title
Journal of Mathematical Analysis and Applications
Serial Year
2012
Journal title
Journal of Mathematical Analysis and Applications
Record number
1562312
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