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Journal of Inequalities and Applications

, 2006:47481

First Online: 22 January 2006Received: 08 September 2004Accepted: 19 September 2004

Abstract

We show that ifOpen image in new window is aOpen image in new window-quasihyponormal operator andOpen image in new window is aOpen image in new window-hyponormal operator, and ifOpen image in new window, whereOpen image in new window is a quasiaffinity i.e., a one-one map having dense range, thenOpen image in new window is a normal and moreoverOpen image in new window is unitarily equivalent toOpen image in new window.

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Autor: In Hyoun Kim

Fuente: https://link.springer.com/



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