Title: Combinatorial Descent Data for Gerbes
Authors: Amnon Yekutieli
Publication status:
Eprint arXiv:1109.1919 at http://arxiv.org



Abstract: We consider descent data in cosimplicial crossed groupoids.
This is a combinatorial abstraction of the descent data for gerbes in
algebraic geometry. The main result is this: a weak equivalence between
cosimplicial crossed groupoids induces a bijection on gauge equivalence
classes of descent data.


Electronic Preprint:


updated 15 Jan 2012