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  • Print publication year: 2004
  • Online publication date: September 2012

Preface to first edition

Summary

This book arose out of a one-semester course taught over a number of years both at the University of Notre Dame, Indiana, and at the University of Liverpool. The aim of the course is to introduce the concepts of algebra, especially group theory, by many examples and to relate them to some applications, particularly in computer science. The books which we considered for the course seemed to fall into two categories. Some were too elementary, proceeded at too slow a pace and had far from adequate coverage of the topics we wished to include. Others were aimed at a higher level and were more comprehensive, but had correspondingly skimpy presentation of the material. Since we could find no text which presented the material at the right level and in a way we felt appropriate, we prepared our own course notes: this book is the result. We have added some topics which are not always treated in order to increase the flexibility of the book as the basis for a course. The material in the book could be covered at an unhurried pace in about 48 lectures; alternatively, a 36-hour unit could be taught, covering Chapters 1, 2 (not Section 2.4), 4 and 5.