On the extended spectrum of some quasinormal operators
TURKISH JOURNAL OF MATHEMATICS, vol.41, no.6, pp.1477-1481, 2017 (SCI-Expanded, Scopus, TRDizin)
- Publication Type: Article / Article
- Volume: 41 Issue: 6
- Publication Date: 2017
- Doi Number: 10.3906/mat-1610-99
- Journal Name: TURKISH JOURNAL OF MATHEMATICS
- Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, TR DİZİN (ULAKBİM)
- Page Numbers: pp.1477-1481
- Keywords: Quasinormal operators, extended eigenvalue, extended spectrum, EIGENVALUES
- Karadeniz Technical University Affiliated: Yes
Abstract
In this paper we consider some extended eigenvalue problems for some quasinormal operators. The spectrum of an algebra homomorphism defined by a compact normal operator is also investigated.