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