Last updated October 6, 2003
Geometry and algebra of partial differential equations
C-differential operators.
Horizontal cohomology and conservation laws.
Recursion operators.
Hamiltonian and symplectic structures.
Coverings in the category of differential equations.
Wahlquist--Estabrook algebras.
Nonlocal symmetries.
Baecklund transformations. Biancchi formulas.
Differential fundamental group.
Questions and suggestions should go to J. S. Krasil'shchik,
josephk @ diffiety.ac.ru
.