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CRC 1442 Geometry: Deformations and Rigidity

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- Lei Ni 25.07.-7.08.
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Seminars of the CRC 1442
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Talks of the CRC 1442

05
Aug
2021

Plenary Talk: Ursula Hamenstädt (Bonn), Vortrag: Incompressible surfaces in locally symmetric manifolds
The surface subgroup question asks for the existence of a subgroup of a given group H which is isomorphic to the fundamental group of a closed surface of genus...

15
Jul
2021

Seminar Geometrische Gruppentheorie: Stefan Witzel (Universität Gießen) Vortrag: Arithmetic approximate lattices and their finiteness properties
Abstract: Approximate groups were identified as a natural framework for geometric group theory by Björklund and Hartnick and further developed by Cordes, Hartni...

14
Jul
2021

Oberseminar Topologie: Lei Chen (California Institute of Technology) Vortrag: Actions of Homeo and Diffeo groups on manifolds
Abstract: In this talk, I discuss the general question of how to obstruct and construct group actions on manifolds. I will focus on large groups like Homeo(M) a...

08
Jul
2021

Seminar Geometrische Gruppentheorie: Bruno Martelli (Università di Pisa) Vortrag: Hyperbolic 5-manifolds that fiber over the circle
Abstract: We show that the existence of hyperbolic manifolds fibering over the circle is not a phenomenon confined to dimension 3 by exhibiting some examples in...

07
Jul
2021

Oberseminar Topologie: Mohammed Abouzaid (Columbia University) Vortrag: Arnol'd Conjecture and Morava K-theory
Abstract: After a brief review of the Arnol'd Conjecture, I will give an overview of the proof of the following joint result with Blumberg: for every closed sym...
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CRC 1442 Geometry: Deformations and Rigidity

Einsteinstrasse 62
48149 Münster

Tel: +49 251 83-33742
Fax: +49 251 83-36897
crc.geometry@uni-muenster.de

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