Curvature criterion for vanishing of group cohomology

Zohar Grinbaum-Reizis, Izhar Oppenheim

Research output: Contribution to journalArticlepeer-review

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 buildings.

Original languageAmerican English
Pages (from-to)843-862
Number of pages20
JournalGroups, Geometry, and Dynamics
Volume16
Issue number3
DOIs
StatePublished - 13 Sep 2022

Keywords

  • Bruhat–Tits buildings
  • Cohomology of groups
  • Garland’s method

All Science Journal Classification (ASJC) codes

  • Geometry and Topology
  • Discrete Mathematics and Combinatorics

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