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Commensurability classification of certain right-angled Coxeter groups and related surface amalgams

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NPCW01 - Non-positive curvature in action

Co-authors: Pallavi Dani (Louisiana State University), Anne Thomas (University of Sydney)
 
I will describe the abstract commensurability classification within a class of hyperbolic right-angled Coxeter groups. I will explain the relationship between these groups and a related class of geometric amalgams of surface groups, and I will highlight the differences between the quasi-isometry classification and abstract commensurability classification in this setting. This is joint work with Pallavi Dani and Anne Thomas. 

This talk is part of the Isaac Newton Institute Seminar Series series.

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