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math.GR2005★ 3 cited
The automorphism group of the sandwich inverse symmetric semigroup
G. M. Kudryavtseva, G. Y. Tsyaputa
The structure of the automorphism group of the sandwich semigroup IS_n is described in terms of standard group constructions.
math.GR2005★ 1 cited
Deformed multiplication in the semigroup PT_n
Galyna Tsyaputa
Pairwise non isomorphic semigroups obtained from the semigroup PT_n of all partial transformations by the deformed multiplication proposed by Ljapin are classified.