On some finitary conditions arising from the axiomatisability of certain classes of monoid acts

Research output: Contribution to journalArticle



Publication details

JournalCommunications in Algebra
DateE-pub ahead of print - 1 Feb 2014
DatePublished (current) - Jun 2014
Issue number6
Number of pages19
Pages (from-to)2584-2602
Early online date1/02/14
Original languageEnglish


This article considers those monoids S satisfying one or both of the finitary properties (R) and (r), focussing for the most part on inverse monoids. These properties arise from questions of axiomatisability of classes of S-acts, and appear to be of interest in their own right. If S is weakly right noetherian (WRN), that is, S has the ascending chain condition on right ideals, then certainly (r) holds. Other than this, we show that (R), (r) and (WRN) are independent. Our most detailed results are for Clifford monoids, in which case we completely characterise those S with trivial structure homomorphisms satisfying (R) or (r).

    Research areas

  • inverse monoid, S-act , axiomatisable class


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