Seminário Grupóides e Geometria não comutativa 

15/02/2007, 11:00 — 12:00 — Sala P4.35, Pavilhão de Matemática
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.