Curvature criterion for vanishing of group cohomology
Abstract
We introduce a new geometric criterion for vanishing of cohomology for BN-pair groups. In particular, this new criterion yields a sharp vanishing of cohomology result for all BN-pair groups acting on non-thin affine building.
- Publication:
-
arXiv e-prints
- Pub Date:
- December 2019
- arXiv:
- arXiv:1912.05839
- Bibcode:
- 2019arXiv191205839G
- Keywords:
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- Mathematics - Group Theory;
- Mathematics - Algebraic Topology
- E-Print:
- 19 pages, revised introduction