Counting monogenic monoids and inverse monoids

L. Elliott, A. Levine, J. D. Mitchell

Research output: Contribution to journalArticlepeer-review


In this short note, we show that the number of monogenic submonoids of the full transformation monoid of degree n for n > 0, equals the sum of the number of cyclic subgroups of the symmetric groups on 1 to n points. We also prove an analogous statement for monogenic subsemigroups of the finite full transformation monoids, as well as monogenic inverse submonoids and subsemigroups of the finite symmetric inverse monoids.
Original languageEnglish
JournalCommunications in Algebra
Publication statusPublished - 27 May 2023


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