- 2026 Operator Algebras: Approximation, Rigidity and Dynamics, IHP trimester
- 2024 Parole aux jeunes chercheuses et chercheurs du RT tétraèdre de platon, ENS
- 2024 Group operator algebras: classification, structure and rigidity, BIRS
- 2024 Group operator algebras and noncommutative geometry, CIRM
- 2023 Groups and operator algebras, Orsay
- 2020 Measured and geometric group theory, rigidity, operator algebras, CIRM
- 2017 GDR GNC Christmas tree meeting, Orsay
- 2017 von Neumann algebras and measured group theory, IHP
Cyril Houdayer 