Thomas Haettel



My name is Thomas Haettel, I am maître de conférences in the University of Montpellier and the IUT of Montpellier-Sète.


Postal address

Bureau 222
Case courrier 051
Institut Montpelliérain Alexander Grothendieck
Université de Montpellier
Place Eugène Bataillon
34095 Montpellier cedex 5


thomas.haettel at

With Jérémie Brieussel, in charge of the séminaire Gaston Darboux.

With Jérémie Brieussel, in charge of the GTGTG, a workshop on the Geometry and the Topology of Groups.

Research topics

  • Braid groups, Artin-Tits groups and hyperplane arrangements
  • CAT(0) (cube) complexes, median and coarse median spaces
  • Anosov representations of hyperbolic groups
  • Compactifications of homogeneous spaces
  • Symmetric spaces, buildings
  • Hyperbolic geometry, Teichmüller spaces, moduli spaces
  • Closed subgroups of locally compact topological groups


  • Member of the ANR Jeunes AGIRA (Actions de Groupes, Isométries, Rigidité et Aléa).
  • Member of the GDR Platon network: Geometry, Arithmetics and Probability.
  • Member of the GEAR network: GEometric structures And Representation varieties.
Last update in October 2018