Additive groups of unequivocal rings

S. Feigelstock

Research output: Contribution to journalArticlepeer-review


A ring R is unequivocal if for every radical S, either S(R) = 0 or S(R) = R. A complete classification of the additive groups of unequivocal rings, which are not reduced torsion free, is given. The almost completely decomposable torsion free groups which are additive groups of unequivocal rings are also described completely.

Original languageEnglish
Pages (from-to)31-34
Number of pages4
JournalActa Mathematica Hungarica
Issue number1-2
StatePublished - Apr 1998


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