IJPAM: Volume 89, No. 2 (2013)
Faculty of Natural Sciences and Mathematics
State University of Tetova
Bul. Ilinden nn, 1200 Tetovo, MACEDONIA
Faculty of Mathematical Engineering and Physical Engineering
Polytechnic University of Tirana
Bul. ``Dëshmorët e Kombit'' Square ``Mother Teresa'' 4, 1001 Tirana, ALBANIA
Abstract. The purpose of the present paper is to give some results relate to a class of linear bounded operators, known as -power class(Q) operators acting on infinite complex separable Hilbert space . -power class(Q) operators is extension of class(Q) operators and class of -normal operators The class of -power class (Q) operators was defined by S. Panayappan and N. Sivamani in , where they have given some of their properties. Based, mainly, on , , , we contribute with some others properties of such operators.
Received: June 12, 2013
AMS Subject Classification: 47B20
Key Words and Phrases: Hilbert space, quasi -normal operators, -power class(Q) operators, doubly commutative
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DOI: 10.12732/ijpam.v89i2.3 How to cite this paper?
Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395