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Quasi-similarp-hyponormal operators |
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| Authors: | B P Duggal |
| Institution: | (1) Department of Mathematics College of Science, Sultan Qaboos University, Al-Khod 123, P. O. Box 36, Muscat, Sultanate of Oman |
| Abstract: | IfA
i
i=1, 2 are quasi-similarp-hyponormal operators such thatUi is unitary in the polar decompositionA
i
=U
i
|A
i
|, then  (A
1)=(A
2) and
c(A1) = e(A2). Also a Putnam-Fuglede type commutativity theorem holds for p-hyponomral operators. |
| Keywords: | 47B20 47A10 |
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