2024 - T2 - WS1 - Low dimensional actions

Collection 2024 - T2 - WS1 - Low dimensional actions

Organizer(s) Fisher, David ; Hensel, Sebastian ; Mann, Kathryn ; Rivas, Cristobal ; Triestino, Michele
Date(s) 29/04/2024 - 04/05/2024
linked URL https://indico.math.cnrs.fr/event/9044/
13 21

The group of germs at infinity of homeomorphisms of the real line has no outer automorphisms

By Maxime Wolff

In joint work with Frédéric Le Roux and Kathryn Mann, we prove that every automorphism of the group of germs at infinity of homeomorphisms of the real line is given by the conjugation by some homeomorphism of the line.

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Citation data

  • DOI 10.57987/IHP.2024.T2.WS1.013
  • Cite this video Wolff, Maxime (02/05/2024). The group of germs at infinity of homeomorphisms of the real line has no outer automorphisms. IHP. Audiovisual resource. DOI: 10.57987/IHP.2024.T2.WS1.013
  • URL https://dx.doi.org/10.57987/IHP.2024.T2.WS1.013

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