Demicompact linear operators, essential spectrum and some perturbation results
Author:
Affiliation:
1. Département de Mathématiques; Université de Sfax; Faculté des Sciences de Sfax; Laboratoire de Physique-Mathématiques; Route de Soukra km 3.5 BP 1171, 3000 Sfax Tunisie
Publisher
Wiley
Subject
General Mathematics
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