Last updated October 6, 2003
Geometry and algebra of partial differential equations
  1. C-differential operators.
  2. Horizontal cohomology and conservation laws.
  3. Recursion operators.
  4. Hamiltonian and symplectic structures.
  5. Coverings in the category of differential equations.
  6. Wahlquist--Estabrook algebras.
  7. Nonlocal symmetries.
  8. Baecklund transformations. Biancchi formulas.
  9. Differential fundamental group.

Questions and suggestions should go to J. S. Krasil'shchik, josephk @