Groupoids and Noncommutative Geometry Seminar 

15/02/2007, 11:00 — 12:00 — Room P4.35, Mathematics Building
Olivier Brahic, CAMGSD

Introduction to the classification of regular groupoids

We will explain how Moerdijk tackles this problem in his paper Lie Groupoids, Gerbes and Non-Abelian Cohomology. We will introduce the notion of bitorsors and the way they are involved.