2 papers
math.FA2016
Generalizations of Kaplansky Theorem for some (p,k)-Quasihyponormal Operators
Abdelkader Benali, Ould Ahmed Mahmoud Sid Ahmed
In the present paper, we generalized some notions of bounded operators to un- bounded operators on Hilbert space such as k-quasihyponormal and k-paranormal unbounded operators. Fur…
math.FA2014
Generalizations of Kaplansky Theorem Related to Linear Operators
Abdelkader Benali, Mohammed Hichem Mortad
The purpose of this paper is to generalize a very famous result on products of normal operators, due to I. Kaplansky. The context of generalization is that of bounded hyponormal an…