On disjoint unions of finitely many copies of the free monogenic semigroup
N. Abu-GhazalhNik Ruskuc
所有作者
N. Abu-GhazalhNik Ruskuc
文献摘要
Every semigroup which is a finite disjoint union of copies of the free
monogenic semigroup (natural numbers under addition) is finitely presented and
residually finite.