Title of article
The perturbation classes problem in Fredholm theory
Author/Authors
Manuel Gonza´ lez1، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2003
Pages
6
From page
65
To page
70
Abstract
We give a negative answer to the perturbation classes problem: the perturbation class of the upper semi-Fredholm operators contains properly the strictly singular operators, and the perturbation class of the lower semi-Fredholm operators contains properly the strictly cosingular operators
Keywords
Semi-Fredholm operator , Strictly singular operator , Perturbation class
Journal title
Journal of Functional Analysis
Serial Year
2003
Journal title
Journal of Functional Analysis
Record number
761583
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