Article
KYUNGPOOK Math. J. 2019; 59(3): 415-431
Published online September 23, 2019
Copyright © Kyungpook Mathematical Journal.
Spectral Properties of k-quasi-class A(s,t) Operators
Salah Mecheri, Naim Latif Braha?
Taibah University, College of Science Department of Mathematics, P. O. Box 20003 Al Madinah Al Munawarah, Saudi Arabia
e-mail : mecherisalah@hotmail.com
Research Institute Ilirias, Rruga Janina, No-2, ferizaj, 70000, Kosovo Department of Mathematics and Computer Sciences, University of Prishtina, Avenue Mother Teresa, No-4, Prishtine, 10000, Kosova
e-mail : nbraha@yahoo.com
Received: March 13, 2016; Revised: October 11, 2018; Accepted: October 16, 2018
In this paper we introduce a new class of operators which will be called the class of