Semigroups for which every right congruence of finite index is finitely\n generated
D. Craig Miller
Abstract
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D. Craig Miller
Abstract
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We call a semigroup $S$ f-noetherian if every right congruence of finite\nindex on $S$ is finitely generated. We prove that every finitely generated\nsemigroup is f-noetherian, and investigate whether the properties of being\nf-noetherian and being finitely generated coincide for various semigroup\nclasses.\n
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We call a semigroup $S$ f-noetherian if every right congruence of finite\nindex on $S$ is finitely generated. We prove that every finitely generated\nsemigroup is f-noetherian, and investigate whether the properties of being\nf-noetherian and being finitely generated coincide for various semigroup\nclasses.\n
Key concepts: Noetherian, Mathematics, Congruence (geometry), Finitely-generated abelian group, Semigroup, Pure mathematics, Stallings theorem about ends of groups, Discrete mathematics