Notes - 2009 :
- Systèmes dynamiques et théorie ergodique
- R. Kaumann's proof of J. M. Marstrand's Theorem - Archives - html
- Sur le cocycle de Kontsevich-Zorich au-dessus de deux origamis spéciaux (slides of a talk in Orsay) - Archives - pdf
- Gugu’s theorem on the Markov and Lagrange spectrum - Archives - html
- Géométrie
- The concept of mass in General Relativity and its applications - Archives - html