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