- left nilsemigroup
- мат.левая нильполугруппа
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Special classes of semigroups — In mathematics, a semigroup is a nonempty set together with an associative binary operation. A special class of semigroups is a class of semigroups satisfying additional properties or conditions. Thus the class of commutative semigroups consists… … Wikipedia