Homological properties of semigroups S and dense injectivity of S-acts
Leila Shahbaz
Broschiertes Buch

Homological properties of semigroups S and dense injectivity of S-acts

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Actions of a semigroup on a set have always been a useful tool to study mathematical structures, and recently have captured the interest of some computer scientists, too. For this reason and because of its close relation to the category of sets, one can take the category of S-acts, for a semigroup S, as the universe of discourse to study mathematical notions in it. The sequentially dense monomorphisms of acts, which are also of interest to computer scientists, was first defined by Giuli, Ebrahimi and Mahmoudi, for projection algebras. Then this notion of sequentially dense monomorphisms was ge...