Polytope invariants of groups and manifolds

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• Stefan Friedl (Universität Regensburg)
• Monday 30 January 2017, 10:00-11:00
• Seminar Room 1, Newton Institute.

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HTLW02 - 3-manifold workshop

Co-authors: Wolfgang L\”uck (University of Bonn), Kevin Schreve (University of Michigan), Stephan Tillmann (University of Sydney)

We will associate to L^2-acyclic groups and manifolds, modulo some not overly restrictive technical hypothesis, a formal difference of polytopes. We will relate it to the Thurston norm and compute it if the fundamental group has a 2-generator 1-relator presentation

This talk is part of the Isaac Newton Institute Seminar Series series.

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