| Title:
             | 
Characterizations of partial isometries and two special kinds of EP elements (English) | 
| Author:
             | 
Zhao, Ruju | 
| Author:
             | 
Yao, Hua | 
| Author:
             | 
Wei, Junchao | 
| Language:
             | 
English | 
| Journal:
             | 
Czechoslovak Mathematical Journal | 
| ISSN:
             | 
0011-4642 (print) | 
| ISSN:
             | 
1572-9141 (online) | 
| Volume:
             | 
70 | 
| Issue:
             | 
2 | 
| Year:
             | 
2020 | 
| Pages:
             | 
539-551 | 
| Summary lang:
             | 
English | 
| . | 
| Category:
             | 
math | 
| . | 
| Summary:
             | 
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. (English) | 
| Keyword:
             | 
EP element | 
| Keyword:
             | 
partial isometry | 
| Keyword:
             | 
normal EP element | 
| Keyword:
             | 
strongly EP element | 
| Keyword:
             | 
solutions of equation | 
| MSC:
             | 
15A09 | 
| MSC:
             | 
16U99 | 
| MSC:
             | 
16W10 | 
| idZBL:
             | 
07217150 | 
| idMR:
             | 
MR4111858 | 
| DOI:
             | 
10.21136/CMJ.2019.0389-18 | 
| . | 
| Date available:
             | 
2020-06-17T12:36:54Z | 
| Last updated:
             | 
2022-07-04 | 
| Stable URL:
             | 
http://hdl.handle.net/10338.dmlcz/148244 | 
| . | 
| Reference:
             | 
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| Reference:
             | 
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| . |