Results 11 to 20 of about 4,667,711 (75)

Prefix monoids of groups and right units of special inverse monoids [PDF]

open access: yes, 2023
A prefix monoid is a finitely generated submonoid of a finitely presented group generated by the prefixes of its defining relators. Important results of Guba (1997), and of Ivanov, Margolis and Meakin (2001), show how the word problem for certain one ...
Igor Dolinka   +3 more
core   +1 more source

Word Problem for Groups and Monoids [PDF]

open access: yes, 1998
Chapter 1 defines basic ideas such as definition of monoids, homomorphisms of monoids, congruences, factor monoids, free monoids, monoid presentations (rewriting systems), homomorphisms of monoids defined by presentations into known monoids, equivalent ...
Makubate, Boikanyo
core   +6 more sources

On graph products of monoids [PDF]

open access: yes, 2022
Graph products of monoids provide a common framework for direct and free products, and graph monoids (also known as free partially commutative monoids). If the monoids in question are groups, then any graph product is, of course, a group.
Dandan, Yang, Gould, Victoria
core   +1 more source

Covers for S-acts and condition (A) for a monoid S [PDF]

open access: yes, 2015
A monoid S satisfies Condition (A) if every locally cyclic left S-act is cyclic. This condition first arose in Isbell’s work on left perfect monoids, that is, monoids such that every left S-act has a projective cover. Isbell showed that S is left perfect
Renshaw, James   +4 more
core   +1 more source

A generalization of bicrossed product of monoids

open access: yes, 2023
In this paper, we define n-generalized Schützenberger-bicrossed product from the point of Combinatorial Group Theory. We give to be a monoid of this new product, then we obtain a presentation for n-generalized Schützenberger-bicrossed product of ...
Çetinalp, Esra Kırmızı   +1 more
core   +1 more source

Topological finiteness properties of monoids Part 1: Foundations [PDF]

open access: yes, 2022
We initiate the study of higher-dimensional topological finiteness properties of monoids. This is done by developing the theory of monoids acting on CW complexes.
Gray, Robert, Steinberg, Benjamin
core   +1 more source

From plactic monoids to hypoplactic monoids [PDF]

open access: yes, 2023
The plactic monoids can be obtained from the tensor product of crystals. Similarly, the hypoplactic monoids can be obtained from the quasi-tensor product of quasi-crystals. In this paper, we present a unified approach to these constructions by expressing
Guilherme, Ricardo P.
core   +1 more source

Covers of acts over monoids II

open access: yes, 2012
In 1981 Edgar Enochs conjectured that every module has a at coverand finally proved this, independently with Bican and El Bashir, in 2001.Enochs had in fact considered different types of covers as early as 1963,for example injective and torsion free ...
Renshaw, James   +3 more
core   +1 more source

Monoids

open access: yes, 2018
These are sketchy lecture notes intended to show that the concepts of divisibility, prime elements and prime-decompositions are most efficiently treated in the framework of monoids.
Walter Noll (5364521)
core   +1 more source

Unique factorization monoids and domains

open access: yes, 1971
It is the purpose of this paper to construct unique factorization (uf) monoids and domains. The principal results are: (1) The free product of a well-ordered set of monoids is a uf-monoid iff every monoid in the set is a uf-monoid.
R. E. Johnson
core   +1 more source

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