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Splitting detection in groups, and the connectivity of limit set complements

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  • UserJoseph MacManus, Oxford University
  • ClockFriday 28 April 2023, 16:00-17:00
  • HouseMR13.

If you have a question about this talk, please contact Macarena Arenas .

The problem of finding algorithms to detect splittings of groups has received a lot of attention in recent years, the origins of which can be traced back to the algorithm of Jaco-Oertel for detecting whether a given 3-manifold is Haken. In this talk we will survey some results of this flavour, both old and new, before looking more closely at a related problem – deciding whether the limit set of a given quasiconvex subgroup of a one-ended hyperbolic group disconnects the boundary.

This talk is part of the Junior Geometry Seminar series.

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