- idempotent separating congruence
- матем.идемпотентная сепарирующая конгруэнция
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Inverse semigroup — In mathematics, an inverse semigroup S is a semigroup in which every element x in S has a unique inverse y in S in the sense that x = xyx and y = yxy. Inverse semigroups appear in a range of contexts; for example, they can be employed in the… … Wikipedia