Idempotent;
Moore-Penrose inverse;
Group inverse EP element;
Ring with involution;
EP ELEMENTS;
D O I:
10.1007/s10231-014-0415-5
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
In this paper, we investigate several characterizations of k-potent elements in rings in purely algebraic terms and considerably simplify proofs of already existing characterizations. A special attention is dedicated to tripotent elements of rings.
机构:
Daejin Univ, Dept Data Sci, Pochon 11159, South KoreaDaejin Univ, Dept Data Sci, Pochon 11159, South Korea
Kwak, Tai Keun
Lee, Yang
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机构:
Yanbian Univ, Dept Math, Yanji 133002, Peoples R China
Pusan Natl Univ, Inst Plast Informat & Energy Mat, Busan 46241, South KoreaDaejin Univ, Dept Data Sci, Pochon 11159, South Korea
Lee, Yang
Seo, Yeonsook
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机构:
Pusan Natl Univ, Dept Math, Busan 46241, South KoreaDaejin Univ, Dept Data Sci, Pochon 11159, South Korea
机构:
Suqian Coll, Sch Math Sci, Suqian 223800, Jiangsu, Peoples R China
Yangzhou Univ, Sch Math, Yangzhou 225002, Jiangsu, Peoples R ChinaSuqian Coll, Sch Math Sci, Suqian 223800, Jiangsu, Peoples R China
Zhao, Shiyin
Wei, Junchao
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机构:
Yangzhou Univ, Sch Math, Yangzhou 225002, Jiangsu, Peoples R ChinaSuqian Coll, Sch Math Sci, Suqian 223800, Jiangsu, Peoples R China