Virtual fibration and incoherence of trivalent triangle groups

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• Ana Isakovic, Cambridge
• Friday 03 May 2024, 13:45-14:45
• MR13.

If you have a question about this talk, please contact Francesco Fournier-Facio.

A trivalent triangle group is a triangle of groups with the trivial face group and edge groups isomorphic to Z/3Z. In this talk, I will introduce the weighted L2-cohomology of Coxeter groups originally defined by Davis, Dymara, Januszkiewicz and Okun and use it to show virtual fibration and consequently incoherence of certain trivalent triangle groups acting on hyperbolic buildings.

This talk is part of the Geometric Group Theory (GGT) Seminar series.

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