Anomalies in gauge theory and gerbes over quotient stacks
Differential Geometry
2008-11-26 v2 Mathematical Physics
math.MP
Abstract
We give a new interpretation of the Faddeev-Mickelsson anomaly in certain Yang-Mills theories in terms of S^1-central extensions of Lie groupoids.
Keywords
Cite
@article{arxiv.0709.1668,
title = {Anomalies in gauge theory and gerbes over quotient stacks},
author = {Vesa Tahtinen},
journal= {arXiv preprint arXiv:0709.1668},
year = {2008}
}
Comments
v2. 27 pages, content reorganized