A remark on the quasi-inverse of a product. (Q1409597)
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scientific article; zbMATH DE number 1993620
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A remark on the quasi-inverse of a product. |
scientific article; zbMATH DE number 1993620 |
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A remark on the quasi-inverse of a product. (English)
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16 October 2003
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A short proof is given of the remark that if in a ring the product \(ab\) has a quasi-inverse, then so does \(ba\) (the quasi-inverse of an element \(a\) is an element \(a'\) such that \(a+ a'= aa'= a'a\)).
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Jacobson radical
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quasi-inverses
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0.7100192308425903
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0.7043441534042358
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0.6983550190925598
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0.6805983185768127
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