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Boundaries of hyperbolic groups

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  • UserBen Barrett (Cambridge)
  • ClockFriday 01 May 2015, 15:00-16:00
  • HouseMR13.

If you have a question about this talk, please contact Joe Waldron .

Geometric group theory is the study of the connections between algebraic properties of finitely generated groups and geometric and topological properties of the spaces on which such groups act. I will give an introduction to this subject before moving on to some applications. Time permitting, I will try to give an overview of some results linking connectivity properties of the Gromov boundary of a hyperbolic group G with the existence of graphs on which G can act with finite or virtually cyclic edge stabilisers. The existence of such an action is equivalent to the existence of a splitting of G as a special type of graph of groups.

This talk is part of the Junior Geometry Seminar series.

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