Abstract Weyl-type theorems

In this paper, we give a new approach to the study of Weyl-type theorems. Precisely, we introduce the concepts of spectral valued and spectral partitioning functions. Using two natural order relations on the set of spectral valued functions, we reduce the question of relationship between Weyl-type t...

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Bibliographic Details
Main Author: Mohammed Berkani
Format: Article
Language:English
Published: Institute of Mathematics of the Czech Academy of Science 2016-12-01
Series:Mathematica Bohemica
Subjects:
Online Access:http://mb.math.cas.cz/full/141/4/mb141_4_7.pdf