On rigid monoids and 2-fir monoid rings

Ferran Cedó, Andreu Pitarch

Research output: Contribution to journalArticleResearch

2 Citations (Scopus)


It is proved that the universal group of a torsion free rigid monoid is torsion free. As a consequence, a new condition on a monoid M for the monoid ring R[M] to be a 2-fir is given. Furthermore, the monoids between a rigid monoid and its universal group are studied. © 1992, Taylor & Francis Group, LLC. All rights reserved.
Original languageEnglish
Pages (from-to)2295-2303
JournalCommunications in Algebra
Issue number8
Publication statusPublished - 1 Jan 1992


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