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The group inverse of a product |
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| Authors: | Xavier Mary |
| Affiliation: | Laboratoire Modal’X, Université Paris-Ouest Nanterre – La Défense, Nanterre, France. |
| Abstract: | In this paper, we characterize the existence and give an expression of the group inverse of a product of two regular elements by means of a ring unit. |
| Keywords: | Generalized inverse group inverse von Neumann inverse rings |