S^1-bundles and gerbes over differentiable stacks
Differential Geometry
2007-05-23 v1 Mathematical Physics
Algebraic Geometry
math.MP
Abstract
We study -bundles and -gerbes over differentiable stacks in terms of Lie groupoids, and construct Chern classes and Dixmier-Douady classes in terms of analogues of connections and curvature.
Keywords
Cite
@article{arxiv.math/0306182,
title = {S^1-bundles and gerbes over differentiable stacks},
author = {Kai Behrend and Ping Xu},
journal= {arXiv preprint arXiv:math/0306182},
year = {2007}
}
Comments
6 pages