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2024 - T2 - Group actions and rigidity: around the Zimmer program

Collection 2024 - T2 - Group actions and rigidity: around the Zimmer program

Organizer(s) Brown, Aaron ; Fisher, David ; Mann, Kathryn ; Pecastaing, Vincent ; Spatzier, Ralf
Date(s) 15/04/2024 - 05/07/2024
linked URL https://indico.math.cnrs.fr/event/9043/
23 86

Rigidity of Codimension One Higher Rank Actions

By Juan Camilo Arosemena Serrato

Also appears in collection : 2024 - T2 - WS1 - Low dimensional actions

We classify all closed manifolds admitting a smooth locally free action by a higher rank split simple Lie group with codimension 1 orbits. Namely, if a closed manifold M admits such an action by a Lie group G as above, M is finitely and equivariantly covered by G/Gamma x S^1, for some cocompact lattice Gamma of G, where G acts by left translations on the first factor, and trivially on S^1. This result is in the spirit of the Zimmer program. We will focus on the case G = SL(3,R) for the talk.

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Citation data

  • DOI 10.57987/IHP.2024.T2.WS1.021
  • Cite this video Arosemena Serrato, Juan Camilo (13/05/2024). Rigidity of Codimension One Higher Rank Actions. IHP. Audiovisual resource. DOI: 10.57987/IHP.2024.T2.WS1.021
  • URL https://dx.doi.org/10.57987/IHP.2024.T2.WS1.021

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