most citedRings in which every unit is a sum of a nilpotent and an idempotent

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math.RA2017★ 1 cited

Rings in which every unit is a sum of a nilpotent and an idempotent

Arezou Karimi-Mansoub, Tamer Kosan, Yiqiang Zhou

A ring is a UU ring if every unit is unipotent, or equivalently if every unit is a sum of a nilpotent and an idempotent that commute. These rings have been investigated in Călu…