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Coarse negative curvature in action

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NPCW01 - Non-positive curvature in action

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.

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

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FW 11, Willam Gates Hall. Zoom link: https://cl-cam-ac-uk.zoom.us/j/4361570789?pwd=Nkl2T3ZLaTZwRm05bzRTOUUxY3Q4QT09&from=addon Hybrid: in-person in Cambridge & online via Teams Friends Meeting House, Jesus Lane, Cambridge CB5 8BA

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