A.H. Clifford and G.B. Preston, The algebraic theory of semigroups, Vol. I & II, Math- ... on combinatorial topics such as codes and free word semigroups, ...
It is easy to see that a morphism of semigroups is an isomorphism if and only ..... initions will be mainly used in the context of free semigroups, it is as ...
8.2 Numerical semigroups with the Arf property and Arf closures . ..... This chapter describes how to create numerical semigroups in GAP and perform some ...
Smarandache semigroups and assumes the reader to have a good background on ... notions in groups or Smarandache semigroups. This text does not in any way ...
semigroup has an invariant measure, then it will be unique, and it will be ...... so that exp(−tA) and exp(−tA∗) are strongly continuous semigroups. ...
Semigroup presentations have been studied for a long time. ... Ünlü wrote a computer program for semigroups similar to the Todd-Coxeter algorithm for groups ...
finite semigroups and their connections with formal language theory and ... is an integral part of the varietal theory of finite semigroups. We also give ...