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20082025
most citedOn Relative Ranks of the Semigroup of Orientation-preserving Transformations on Infinite Chains

2 citations · 10 across the 21 of their papers we have counts for

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Showing 2012 · math.RAShow all

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math.RA2012

Stable varieties of semigroups and groupoids

Sl. Shtrakov, J. Koppitz

The paper deals with composition and -essential composition of terms, which lead to stable and s-stable varieties of algebras. A full description of all stable varieties of…

math.RA2012

Maximal Subsemigroups containing a particular semigroup

Jorg Koppitz, Tiwadee Musunthia

We study maximal subsemigroups of the monoid T(X) of all full transformations on the set X=N of natural numbers containing a given subsemigroup W of T(X) where each element of a gi…