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Characterizations of Partial Isometries and Two Special Kinds of EP Elements

Ruju Zhao,Hua Yao,Junchao Wei

Czechoslovak Mathematical Journal（2020）

Cited 13|Views0
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Abstract
We give some sufficient and necessary conditions for an element in a ring to be an EP element, partial isometry, normal EP element and strongly EP element by using solutions of certain equations.
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Key words
EP element,partial isometry,normal EP element,strongly EP element,solutions of equation,15A09,16U99,16W10
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