Group Rings that are Additively Generated by Idempotents and Units

Details Group Rings that are Additively Generated by Idempotents and Units Group Rings that are Additively Generated by Idempotents and Units

2009-04-06

arxiv.org/abs/0904.0861v1

Mathematics

Rings and Algebras

5 pages

Scientific paper

We study clean group rings and also the group rings whose every element is a
sum of two units. We also prove that if R is an Abelian exchange ring and G is
a locally finite group, then the group ring RG has stable range one.

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