- two-sided amenable semigroup
- двусторонне аменабельная полугруппа
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Regular semigroup — A regular semigroup is a semigroup S in which every element is regular, i.e., for each element a , there exists an element x such that axa = a . [Howie 1995 : 54.] Regular semigroups are one of the most studied classes of semigroups, and their… … Wikipedia