On semi-idempotents in group rings (Q1063664)
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scientific article; zbMATH DE number 3916487
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On semi-idempotents in group rings |
scientific article; zbMATH DE number 3916487 |
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On semi-idempotents in group rings (English)
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1985
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A nonzero element \(\alpha\) of a ring R is called a semi-idempotent if either \(R(\alpha^ 2-\alpha)R=R\) or \(\alpha \not\in R(\alpha^ 2- \alpha)R\). This paper classifies the semi-idempotents in group algebras of torsion free abelian groups.
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semi-idempotents
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group algebras
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0.9455772
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