Valery Yumaguzhin
The 
  Diffiety Institute Schools
 
  (for graduates in mathematics and physics, 
  post-graduates, researchers, etc.)
- The fifth 
  Russian school, January 26 - February 5, 2001,Pereslavl-Zalessky, 
  Russia.
 Two lectures on contact geometry and the theory of first-order 
  equations, on relation to symplectic geometry and Hamiltonian mechanics.
 
- The fourth 
  Italian school, July 17 - 29, 2000, Forino, Italy.
 Lectures:  Contact and symplectic multi-valued 
  solutions of 1st order scalar differential equations
- The 4-rd 
  Russian School, February 1 - 5, 2000, 
  Pereslavl-Zalessky, Russia.
 Lectures: Differential Invariants and Their 
  Applications to Researching of Differential Equations
- The 3-rd 
  Russian-Italian School, August 17 - 31, 1999, 
  Pereslavl-Zalessky, Russia.
 Lectures: Geometry of first order differential 
     equations
 Seminars:  exercises,
  MAPLE programming and calculations 
  of symmetries.
- The 2-nd 
  Russian School, January 26 - February 5, 1999, 
  Pereslavl-Zalessky, Russia.
 Two lectures on Symmetries of ordinary 
  differential equations
 Seminars on the geometry of jet bundles and nonlinear differential 
  equations with training to MAPLE and 
  REDUCE programming and calculations.
- The 1-st 
  Italian School, July 17 - August 1, 1998, Forino, Italy.
 Seminars on the commutative algebra, algebra of differential operators, 
  smooth manifolds, exercises.