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Mapping class groups of high dimensional manifolds

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  • UserIsmael Sierra, University of Cambridge
  • ClockFriday 04 March 2022, 16:00-17:00
  • HouseMR13.

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

I will begin by explaining the results by Kreck expressing the mapping class groups of some high dimensional manifolds as group extensions of certain known groups, and then I will sketch the proof of this theorem. I will use this as a way of introducing certain results and techniques from high dimensional topology. Finally, I will explain some more recent results by Krannich regarding the splitting (or non splitting) of some of the Kreck extensions in certain dimensions.

This talk is part of the Junior Geometry Seminar series.

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