Event

Zachary Munro (McGill University)

Wednesday, February 6, 2019 15:00to16:00
Burnside Hall Room 920, 805 rue Sherbrooke Ouest, Montreal, QC, H3A 0B9, CA

Title: Weak Modularity and Euclidean Buildings

Abstract: Coxeter groups with large enough torsion coefficients are known to satisfy non-positive curvature properties such as systolicity. However, there are known examples of Coxeter groups which are not systolic. In particular, the associated Coxeter complexes are not systolic. For a class of such Coxeter groups, we prove a generalized non-positive curvature condition -- weak modularity. Time permitting, we extend the result to buildings.

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