On generators and relations for unions of semigroups
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Publication:5939965
DOI10.1007/S002330010053zbMath0981.20045OpenAlexW1978334772MaRDI QIDQ5939965
Gracinda M. S. Gomes, Vítor H. Fernandes, Mário J. J. Branco, Nikola Ruškuc, Isabel M. Araújo
Publication date: 23 October 2001
Published in: Semigroup Forum (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/s002330010053
bands of monoidsbands of semigroupsdefining relationsfinitely generated semigroupsfinitely presented semigroupssemigroup presentationsstrong semilattices of semigroupsunions of semigroups
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ON FINITE GENERATION AND OTHER FINITENESS CONDITIONS FOR WREATH PRODUCTS OF SEMIGROUPS ⋮ FINITE PRESENTABILITY OF SEMIGROUP CONSTRUCTIONS ⋮ Finite derivation type for large ideals. ⋮ On disjoint unions of finitely many copies of the free monogenic semigroup. ⋮ FINITE PRESENTABILITY OF BRUCK–REILLY EXTENSIONS OF CLIFFORD MONOIDS ⋮ A classification of disjoint unions of two or three copies of the free monogenic semigroup. ⋮ Green index in semigroups: generators, presentations, and automatic structures. ⋮ Concrete algorithms for word problem and subsemigroup problem for semigroups which are disjoint unions of finitely many copies of the free monogenic semigroup ⋮ Generators and relations for subsemigroups via boundaries in Cayley graphs. ⋮ Finite derivation type for semilattices of semigroups. ⋮ Linear growth for semigroups which are disjoint unions of finitely many copies of the free monogenic semigroup. ⋮ PRESENTATIONS FOR SEMIGROUPS AND SEMIGROUPOIDS
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