Notes - 2009 :

  • Dynamical Systems and Ergodic Theory
  1. R. Kaumann's proof os J. M. Marstrand's Theorem -  html
  2. Sur le cocycle de Kontsevich-Zorich au-dessus de deux origamis spéciaux (slides of a talk in Orsay) -  pdf
  3. Gugu’s theorem on the Markov and Lagrange spectrum -  html
  • Geometry
  1.  The concept of mass in General Relativity and its applications -  html