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Coarse negative curvature in action

Presented by: 
David Hume University of Oxford
Date: 
Thursday 12th January 2017 - 10:00 to 11:00
Venue: 
INI Seminar Room 1
Abstract: 
Admitting a "nice" action on a hyperbolic space has strong algebraic and geometric consequences for a group. For this talk we will focus on replacing "nice" by "non-trivial acylindrical". The goal of the talk is to open and discuss a number of interesting and important recognition problems for non-trivial acylindrical actions of groups on hyperbolic spaces and to discuss the relation between these problems and the existence of coarse negative curvature in the group. This is a summary of current progress on many projects with a variety of co-authors.
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons