Bicategories in field theories - an invitation

Abstract

We explain some applications of bicategories in both classical and quantum field theory. This includes a modern perspective on some pioneering work of Max Kreuzer and Bert Schellekens on rational conformal field theory.

14 pages, 2 figures. Contribution to the Memorial Volume for Max Kreuzer. Contains an introduction to the use of bicategories for non-experts, in particular to the results of http://arxiv.org/abs/1004.4558 and http://arxiv.org/abs/1103.2963