Examples of semiperfect rings

Louis Halle Rowen

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


By means of generic methods, an example is given of a local (but not Noetherian)π-regular ring R, over which the ring of 2 × 2 matrices is not π-regular. Also a cyclic indecomposable (left) module over a right Artinian ring is exhibited, whose endomorphism ring is not local.

Original languageEnglish
Pages (from-to)273-283
Number of pages11
JournalIsrael Journal of Mathematics
Issue number3
StatePublished - Oct 1989


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