The automorphism group of the sandwich inverse symmetric semigroup
The structure of the automorphism group of the sandwich semigroup IS_n is described in terms of standard group constructions.
arXiv subjects
Publications and source records attributed to G. Y. Tsyaputa.
The structure of the automorphism group of the sandwich semigroup IS_n is described in terms of standard group constructions.
Green's relations on the deformed finite inverse symmetric semigroup $\mathcal{IS}_n$ and the deformed finite symmetric semigroup $\mathcal{T}_n$ are described.
Pairwise non-isomorphic semigroups obtained from the finite inverse symmetric semigroup $\mathcal{IS}_n ,$ finite symmetric semigroup $\mathcal{T}_n$ and bicyclic semigroup by the deformed multiplication proposed by Ljapin are classified.
All isolated, completely isolated, and nilpotent subsemigroups in the semigroup $\IS$ of all injective partial transformations of an $n$-element set, considered as a semigroup with a sandwich multiplication are described.