Michael Aschbacher is the Shaler Arthur Hanisch Professor of Mathematics at the California Institute of Technology. Radha Kessar is a Reader in the Institute of Mathematics at the University of Aberdeen. Bob Oliver is a Professor in the Laboratoire Analyse, Géométrie et Applications (LAGA) at the Université de Paris XIII.

• Introduction; 1. Introduction to fusion systems; 2. The local theory of fusion systems; 3. Fusion and homotopy theory; 4. Fusion and representation theory; Appendix. Background facts about groups; References; List of notation; Index.

Michael Aschbacher is the Shaler Arthur Hanisch Professor of Mathematics at the California Institute of Technology. Radha Kessar is a Reader in the Institute of Mathematics at the University of Aberdeen. Bob Oliver is a Professor in the Laboratoire Analyse, Géométrie et Applications (LAGA) at the Université de Paris XIII.

• Introduction; 1. Introduction to fusion systems; 2. The local theory of fusion systems; 3. Fusion and homotopy theory; 4. Fusion and representation theory; Appendix. Background facts about groups; References; List of notation; Index.

Michael Aschbacher is the Shaler Arthur Hanisch Professor of Mathematics at the California Institute of Technology. Radha Kessar is a Reader in the Institute of Mathematics at the University of Aberdeen. Bob Oliver is a Professor in the Laboratoire Analyse, Géométrie et Applications (LAGA) at the Université de Paris XIII.

• Introduction; 1. Introduction to fusion systems; 2. The local theory of fusion systems; 3. Fusion and homotopy theory; 4. Fusion and representation theory; Appendix. Background facts about groups; References; List of notation; Index.