Topological Quantum Field Theory Seminar  

07/12/2009, 11:30 — 12:30 — Room P3.10, Mathematics Building
Branislav Jurco, Max Planck Institute for Mathematics, Bonn, Germany

Introduction to nonabelian bundle 2-gerbes

We introduce nonabelian bundle 2-gerbes related to Lie 2-crossed modules and discuss their properties. Such bundle 2-gerbes are defined in terms of bundle 1-gerbes, which play a role similar to that of transition functions in the theory of principal bundles.