Transformation Semigroups with the Deformed Multiplication
Galyna Tsyaputa · arXiv (Cornell University) · 2005
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.