A cohomological description of Abelian bundles and gerbes

Abstract

We describe the geometrical ladder of equations for Abelian bundles and gerbes, as well as higher generalisations, in terms of the cohomology of an operator that combines de Rham and Cech cohomology.

12 pages; submitted to the proceedings of the XXth Workshop on Geometric Methods in Physics, Bialowieza, July 1-7, 2001