A program of the course at the sixth Italian Diffiety School

(San Stefano del Sole, July 13 - 28, 2003).

- Infinite jet spaces.
- Cartan distribution.
- Infinitely prolonged differential equations.
- Symmetries of differential equations.
- Conservation laws of differential equations.
- Hamiltonian formalism.
- Lagrangian formalism.
- Nonlocal theory, coverings, Walquist-Estabrook algebra.

Questions and suggestions should go to Alexander Verbovetsky, verbovet @ mccme.ru.