# Category Theory 1991: Proceedings of the 1991 Summer Category Theory Meeting, Montreal, Canada

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*R.A.G. Seely*

A co-publication of the AMS and Canadian Mathematical Society

As category theory approaches its first half-century, it continues to grow, finding new applications in areas that would have seemed inconceivable a generation ago, as well as in more traditional areas. The language, ideas, and techniques of category theory are well suited to discovering unifying structures in apparently different contexts. Representing this diversity of the field, this book contains the proceedings of an international conference on category theory. The subjects covered here range from topology and geometry to logic and theoretical computer science, from homotopy to braids and conformal field theory. Although generally aimed at experts in the various fields represented, the book will also provide an excellent opportunity for nonexperts to get a feel for the diversity of current applications of category theory.

Titles in this series are copublished with the Canadian Mathematical Society. Members of the Canadian Mathematical Society may order at the AMS member price.

#### Readership

Graduate students or postgraduate researchers in category theory or in any of the fields which use categorical techniques and ideas.