On the extended spectrum of some quasinormal operators

SERTBAŞ M., YILMAZ F.

TURKISH JOURNAL OF MATHEMATICS, cilt.41, sa.6, ss.1477-1481, 2017 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 41 Sayı: 6
  • Basım Tarihi: 2017
  • Doi Numarası: 10.3906/mat-1610-99
  • Dergi Adı: TURKISH JOURNAL OF MATHEMATICS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, TR DİZİN (ULAKBİM)
  • Sayfa Sayıları: ss.1477-1481
  • Anahtar Kelimeler: Quasinormal operators, extended eigenvalue, extended spectrum, EIGENVALUES
  • Karadeniz Teknik Üniversitesi Adresli: Evet

Özet

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.