Groupoid cohomology and extensions
算子代数
2007-05-23 v1
摘要
We show that Haefliger's cohomology for etale groupoids, Moore's cohomology for locally compact groups and the Brauer group of a locally compact groupoid are all particular cases of sheaf (or Cech) cohomology for topological simplicial spaces.
引用
@article{arxiv.math/0404257,
title = {Groupoid cohomology and extensions},
author = {Jean-Louis Tu},
journal= {arXiv preprint arXiv:math/0404257},
year = {2007}
}
备注
32 pages