Irina YEHORCHENKO
Institute of Mathematics of NAS of Ukraine,
3 Tereshchenkivs'ka Str.,
01601 Kyiv,
UKRAINE
E-mail: iyegorch@imath.kiev.ua

Differential invariants and infinite-dimensional algebras

Abstract:
We suggest a new method for construction of functional bases of differential invariants and present some examples of such functional bases. These invariants are useful for description of invariant equations and classification of equations.