University of Cambridge > > Junior Geometry Seminar > Group cohomology, BNS invariants and subgroup separability

Group cohomology, BNS invariants and subgroup separability

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  • UserMonika Kudlinska, Oxford University
  • ClockFriday 18 November 2022, 16:00-17:00
  • HouseMR13.

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

Group cohomology is a powerful tool which has found many applications in modern group theory. It can be calculated and interpreted through geometric, algebraic and topological means, and as such it encodes the relationships between these different aspects of infinite groups. The aim of this talk is to introduce a circle of ideas which link group cohomology with the theory of BNS invariants, and the property of being subgroup separable. No prior knowledge of any of these topics will be assumed.

This talk is part of the Junior Geometry Seminar series.

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