Memoirs of the American Mathematical Society 2001; 59 pp; softcover Volume: 154 ISBN10: 0821827626 ISBN13: 9780821827628 List Price: US$49 Individual Members: US$29.40 Institutional Members: US$39.20 Order Code: MEMO/154/733
 Readership Graduate students and research mathematicians interested in group theory and generalizations. Table of Contents  Preface
 Acknowledgments
 Introduction
 Small cancellation theory of \(\mathcal{T}\)
 Tilings
 Bibliography
