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Geometric Realization of Coxeter Groups
Student-Run Geometry/Topology| Speaker: | Yvonne Lai, UC Davis |
| Location: | 2112 MSB |
| Start time: | Thu, Feb 15 2007, 1:10PM |
Description
We understand geometric reflection groups
through their actions on constant curvature
spaces. But given any Coxeter group W, is
there a space on which W acts nicely? Yes:
the Davis-Moussong complex. We will
construct the complex in this talk
and sketch why it is CAT(0).