Poincare duality groups and actions on trees

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• Gareth Wilkes (DPMMS)
• Friday 17 May 2019, 16:00-17:00
• MR13.

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I will give an introduction to relative group cohomology, review some facts about Poincare duality groups and Poincare duality pairs, and demonstrate how cohomology may be used to provide cohomological proofs of some classical facts concerning splittings of 3-manifold groups.

This talk is part of the Junior Geometry Seminar series.

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