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math.GR2012★ 1 cited
The classification of normalizing groups
João Araújo, Peter J. Cameron, James Mitchell +1
Let be a finite set such that . Let $\trans$ and $\sym$ denote respectively the transformation monoid and the symmetric group on points. Given $a\in \trans\setminus…
math.GR2012
Ideals and finiteness conditions for subsemigroups
R. Gray, V. Maltcev, J. D. Mitchell +1
In this paper we consider a number of finiteness conditions for semigroups related to their ideal structure, and ask whether such conditions are preserved by sub- or supersemigroup…