Two Papers Mathcal H Coextensions Of Monoids And The Structure Of A Band Of Groups

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Two Papers Mathcal H Coextensions Of Monoids And The Structure Of A Band Of Groups

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Author : Jonathan Leech
language : en
Publisher: American Mathematical Soc.
Release Date : 1975

Two Papers Mathcal H Coextensions Of Monoids And The Structure Of A Band Of Groups written by Jonathan Leech and has been published by American Mathematical Soc. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Mathematics categories.

In the second paper, the structure of a band of groups is studied by means of the techniques of the first paper.

Two Papers H Coextensions Of Monoids And The Structure Of A Band Of Groups

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Author : Jonathan Leech
language : en
Publisher:
Release Date : 1975

Two Papers H Coextensions Of Monoids And The Structure Of A Band Of Groups written by Jonathan Leech and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Group extensions categories.

Structure Of Regular Semigroups I

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Author : K. S. S. Nambooripad
language : en
Publisher: American Mathematical Soc.
Release Date : 1979

Structure Of Regular Semigroups I written by K. S. S. Nambooripad and has been published by American Mathematical Soc. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Mathematics categories.

The structure of regular semigroups is studied in full generality. The principal tool used in this is the concept of a (regular) biordered set which abstractly characterizes the set of idempotents of a regular semigroup. The category of inductive groupoids is then defined as the category whose objects are pairs consisting of an ordered groupoid and an order-preserving functor of the chain groupoid of a biordered set whose vertex map is a bijection, and whose morphisms are certain commutative diagrams in the category of ordered groupoids. It is shown by an explicit construction that every regular semigroup can be constructed from an inductive groupoid and that the category of inductive groupoids is equivalent to the category of all regular semigroups. This construction is then applied to obtain the structure of all fundamental regular semigroups and all idempotent generated regular semigroups. The paper ends with a study of biordered sets of some important classes of regular semigroups.

Semigroups Algorithms Automata And Languages

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Author : Gracinda M. S. Gomes
language : en
Publisher: World Scientific
Release Date : 2002

Semigroups Algorithms Automata And Languages written by Gracinda M. S. Gomes and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Mathematics categories.

The thematic term on OC Semigroups, Algorithms, Automata and LanguagesOCO organized at the International Centre of Mathematics (Coimbra, Portugal) in MayOCoJuly 2001 was the gathering point for researchers working in the field of semigroups, algorithms, automata and languages. These areas were selected considering their huge recent developments, their potential applications, and the motivation from other fields of mathematics and computer science. This proceedings volume is a unique collection of advanced courses and original contributions on semigroups and their connections with logic, automata, languages, group theory, discrete dynamics, topology and complexity. A selection of open problems discussed during the thematic term is also included. Contents: Finite Semigroups: An Introduction to a Unified Theory of Pseudovarieties (J Almeida); On Existence Varieties of Regular Semigroups (K Auinger); Varieties of Languages (M J J Branco); A Short Introduction to Automatic Group Theory (C Choffrut); Some Results on Semigroup-Graded Rings (W D Munn); Profinite Groups and Applications to Finite Semigroups (L Ribes); Dynamics of Finite Semigroups (J Almeida); Finite Semigroups Imposing Tractable Constraints (A Bulatov et al.); On the Efficiency and Deficiency of Rees Matrix Semigroups (C M Campbell et al.); Some Pseudovariety Joins Involving Groups and Locally Trivial Semigroups (J C Costa); Partial Action of Groups on Relational Structures: A Connection Between Model Theory and Profinite Topology (T Coulbois); Some Relatives of Automatic and Hyperbolic Groups (M Hoffmann et al.); A Sampler of a Topological Approach to Inverse Semigroups (B Steinberg); Finite Semigroups and the Logical Description of Regular Languages (H Straubing); Diamonds are Forever: The Variety DA (P Tesson & D Th(r)rien); Decidability Problems in Finite Semigroups (P G Trotter); and other papers. Readership: Researchers, academics and graduate students in pure mathematics and computer science."

Fundamentals Of Semigroup Theory

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Author : John Mackintosh Howie
language : en
Publisher:
Release Date : 2023

Fundamentals Of Semigroup Theory written by John Mackintosh Howie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with Semigroups categories.

This concise introduction to the subject emphasizes the various classes of regular semigroups. More than 150 exercises, accompanied by references to the relevant research literature, direct readers to areas not explicitly covered in the text.

An Introduction To Semigroup Theory

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Author : John Mackintosh Howie
language : en
Publisher:
Release Date : 1976

An Introduction To Semigroup Theory written by John Mackintosh Howie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Mathematics categories.