S^1-bundles and gerbes over differentiable stacks

Details S^1-bundles and gerbes over differentiable stacks S^1-bundles and gerbes over differentiable stacks

2003-06-11

arxiv.org/abs/math/0306182v1

published in C. R. Acad. Sci. Paris, Ser. I 336 (2003) 163-168

Mathematics

Differential Geometry

6 pages

Scientific paper

We study $S^1$-bundles and $S^1$-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.

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