Overview

In recent years, it has become increasingly clear that there are important connections relating three concepts -- groupoids, inverse semigroups, and operator algebras. There has been a great deal of progress in this area over the last two decades, and this book gives a careful, up-to-date and reasonably extensive account of the subject matter.  After an introductory first chapter, the second chapter presents a self-contained account of inverse semigroups, locally compact and r-discrete groupoids, and Lie groupoids. The section on Lie groupoids in chapter 2 contains a detailed discussion of groupoids particularly important in noncommutative geometry, including the holonomy groupoids of a foliated manifold and the tangent groupoid of a manifold. The representation theories of locally compact and r-discrete groupoids are developed in the third chapter, and it is shown that the   C*-algebras of r-discrete groupoids are the covariance   C*-algebras for inverse semigroup actions on locally compact Hausdorff spaces. A final chapter associates a universal r-discrete groupoid with any inverse semigroup. Six subsequent appendices treat topics related to those covered in the text.  The book should appeal to a wide variety of professional mathematicians and graduate students in fields such as operator algebras, analysis on groupoids, semigroup theory, and noncommutative geometry. It will also be of interest to mathematicians interested in tilings and theoretical physicists whose focus is modeling quasicrystals with tilings. An effort has been made to make the book lucid and 'user friendly""; thus it should be accessible to any reader with a basic background in measure theory and functional analysis.

Full Product Details

Author:   Alan Paterson
Publisher:   Springer-Verlag New York Inc.
Imprint:   Springer-Verlag New York Inc.
Edition:   Softcover reprint of the original 1st ed. 1999
Volume:   170
Dimensions:   Width: 15.50cm , Height: 1.50cm , Length: 23.50cm
Weight:   0.456kg
ISBN:  

9781461272762

ISBN 10:   1461272769
Pages:   274
Publication Date:   08 October 2012
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

1. Introduction.- 2. Inverse Semigroups and Locally Compact Groupoids.- 2.1 Inverse semigroups.- 2.2 Locally compact and r-discrete groupoids.- 2.3 Lie groupoids.- 3. Groupoid C*-Algebras and Their Relation to Inverse Semigroup Covariance C*-Algebras.- 3.1 Representation theory for locally compact groupoids.- 3.2 Representation theory for groupoids that are r-discrete, and their inverse semigroups of open G-sets.- 3.3 Groupoid and covariance C*-algebras.- 4. The Groupoid C*-Algebras of Inverse Semigroups.- 4.1 Introduction.- 4.2 Examples of inverse semigroups and their associated groupoids.- 4.3 The universal groupoid of an inverse semigroup.- 4.4 Inverse semigroup universal and reduced C*-algebras as groupoid C*-algebras.- 4.5 Amenability of the von Neumann algebra of an inverse semigroup.- Appendix A. Amenability for Inverse Semigroups.- Appendix B. Groupoid Amenability and Locally Compact Groups.- Appendix C. The Measurability of Fg.- Appendix D. Ind ? as an Induced Representation.- Appendix E. Guichardet’s Disintegration Theorem.- Appendix F. Some Differential Topology.- Index of Terms.- Index of Symbols.

Reviews

This outstanding book brings together three mathematical objects 'which a priori seem to have nothing much in common'...The concept of amenability is largely carried over to the present framework. In particular, Clifford semigroups are examined. An example coming from physics, quasicrystals, is discussed. Throughout the monograph explicit clear proofs are provided. The large coverage of this material makes pleasant reading. -Zentralblatt Math

""This outstanding book brings together three mathematical objects 'which a priori seem to have nothing much in common'.…The concept of amenability is largely carried over to the present framework. In particular, Clifford semigroups are examined. An example coming from physics, quasicrystals, is discussed. Throughout the monograph explicit clear proofs are provided. The large coverage of this material makes pleasant reading."" –Zentralblatt Math

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