Book:John Mackintosh Howie/An Introduction to Semigroup Theory
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John Mackintosh Howie: An Introduction to Semigroup Theory
Published $\text {1976}$, Academic Press
- ISBN 978-0127546339
Subject Matter
Contents
- Preface
- Chapter I. Introductory Ideas
- 1. Basic definitions
- 2. Monogenic semigroups
- 3. Ordered sets, semilattices and lattices
- 4. Binary relations; equivalences
- 5. Congruences
- 6. Free semigroups
- 7. Ideals and Rees congruences
- 8*. Lattices of equivalences and congruences
- Exercises
- Chapter II. Green's Equivalences
- Introduction
- 1. The equivalences $\mathscr L$, $\mathscr R$, $\mathscr H$, $\mathscr J$ and $\mathscr D$
- 2. The structure of $\mathscr D$-classes
- 3. Regular $\mathscr D$-classes
- 4. Regular semigroups
- Exercises
- Chapter III. $0$-Simple Semigroups
- Introduction
- 1. Simple and $0$-simple semigroups; principal factors
- 2. Rees's Theorem
- 3. Primitive idempotents
- 4*. Congruences on completely $0$-simple semigroups
- 5*. The lattice of congruences on a completely $0$-simple semigroup
- 6*. Finite congruence-free semigroups
- Exercises
- Chapter IV. Unions of Groups
- Introduction
- 1. Unions of groups
- 2. Semilattices of groups
- 3. Bands
- 4*. Free bands
- 5*. Varieties of bands
- Exercises
- Chapter V. Inverse Semigroups
- Introduction
- 1. Preliminaries
- 2. The natural order relation on an inverse semigroup
- 3. Congruences on inverse semigroups
- 4. Fundamental inverse semigroups
- 5. Anti-uniform semigroups
- 6. Bisimple inverse semigroups
- 7. Simple inverse semigroups
- 8*. Representations of inverse semigroups
- Exercises
- Chapter VI. Orthodox Semigroups
- Introduction
- 1. Basic properties of orthodox semigroups
- 2. The analogue of the Munn semigroup
- 3. Uniform and anti-uniform bands
- 4. The structure of orthodox semigroups
- Exercises
- Chapter VII. Semigroup Amalgams
- Introduction
- 1. Free products
- 2. Diminions and zigzags
- 3. The embedding of amalgams
- 4. Inverse semigroup amalgams
- Exercises
- References
- List of Special Symbols
- Index