Characterizations of partial isometries and two special kinds of EP elements

Ruju Zhao; Hua Yao; Junchao Wei

Czechoslovak Mathematical Journal (2020)

  • Volume: 70, Issue: 2, page 539-551
  • ISSN: 0011-4642

Abstract

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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.

How to cite

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Zhao, Ruju, Yao, Hua, and Wei, Junchao. "Characterizations of partial isometries and two special kinds of EP elements." Czechoslovak Mathematical Journal 70.2 (2020): 539-551. <http://eudml.org/doc/297171>.

@article{Zhao2020,
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.},
author = {Zhao, Ruju, Yao, Hua, Wei, Junchao},
journal = {Czechoslovak Mathematical Journal},
keywords = {EP element; partial isometry; normal EP element; strongly EP element; solutions of equation},
language = {eng},
number = {2},
pages = {539-551},
publisher = {Institute of Mathematics, Academy of Sciences of the Czech Republic},
title = {Characterizations of partial isometries and two special kinds of EP elements},
url = {http://eudml.org/doc/297171},
volume = {70},
year = {2020},
}

TY - JOUR
AU - Zhao, Ruju
AU - Yao, Hua
AU - Wei, Junchao
TI - Characterizations of partial isometries and two special kinds of EP elements
JO - Czechoslovak Mathematical Journal
PY - 2020
PB - Institute of Mathematics, Academy of Sciences of the Czech Republic
VL - 70
IS - 2
SP - 539
EP - 551
AB - 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.
LA - eng
KW - EP element; partial isometry; normal EP element; strongly EP element; solutions of equation
UR - http://eudml.org/doc/297171
ER -

References

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