Rings whose proper factors are right perfect
Tom 122 / 2011
Colloquium Mathematicum 122 (2011), 191-202 MSC: Primary 16L30. DOI: 10.4064/cm122-2-4
We show that practically all the properties of almost perfect rings, proved by Bazzoni and Salce [Colloq. Math. 95 (2003)] for commutative rings, also hold in the non-commutative setting.