Spin Foam Models of String Theory
arXiv:hep-th/0502092
Abstract
We review briefly the spin foam formalism for constructing path integrals for the BF and related theories. Then we describe how the path integral for the string theory on a group manifold can be defined as a two-dimensional spin foam state sum.
6 pages, talk given at the Summer School in Modern Mathematical Physics, Zlatibor, 20-31 August, 2004