Expander graphs are an important tool in theoretical computer science, geometric group theory, probability, and number theory. Furthermore, the techniques used

Now available in paperback--the standard introduction to the theory of simple groups of Lie type. In 1955, Chevalley showed how to construct analogues of the co

Originating from a summer school taught by the authors, this concise treatment includes many of the main results in the area. An introductory chapter describes

Provides an outline and modern overview of the classification of the finite simple groups. It primarily covers the 'even case', where the main groups arising ar