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Markus Seidel: On $(N,\epsilon)$-pseudospectra and quasi-diagonal operators

Markus Seidel: On $(N,\epsilon)$-pseudospectra and quasi-diagonal operators

Author(s):
Markus Seidel
Title:
On $(N,\epsilon)$-pseudospectra and quasi-diagonal operators
Electronic source:
application/pdf
Preprint series:
Technische Universität Chemnitz, Fakultät für Mathematik (Germany). Preprint 13, 2011
Mathematics Subject Classification:
47A10 []
47A66 []
65J10 []
Abstract:
In this paper we extend the concept of the $(N,\epsilon)$-pseudospectra of Hansen to the case of bounded linear operators on Banach spaces. We apply our results to quasi-diagonal operators.
Keywords:
Spectrum, Pseudospectra, Quasi-diagonal operator
Language:
English
Publication time:
07/2011