Geodesic
Characterizations of partial isometries and two special kinds of EP elements
Czechoslovak Mathematical Journal, Tome 70 (2020) no. 2, pp. 539-551 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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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.
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.
DOI : 10.21136/CMJ.2019.0389-18
Classification : 15A09, 16U99, 16W10
Keywords: EP element; partial isometry; normal EP element; strongly EP element; solutions of equation 
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     title = {Characterizations of partial isometries and two special kinds of {EP} elements},
     journal = {Czechoslovak Mathematical Journal},
     pages = {539--551},
     year = {2020},
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Zhao, Ruju; Yao, Hua; Wei, Junchao. Characterizations of partial isometries and two special kinds of EP elements. Czechoslovak Mathematical Journal, Tome 70 (2020) no. 2, pp. 539-551. doi: 10.21136/CMJ.2019.0389-18

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