ICMS'2000 logo


The International Conference on Multiphase Systems, ICMS'2000
Ufa, RUSSIA, June 15-17, 2000

Approximate Symmetries of Wave Equations

Baikov V. A., Gazizov R. K.

Ufa State Aviation Techinical University, Ufa, RUSSIA

Ibragimov N. H.

The University of North West, Mmabato, SOUTH AFRICA

In this work we briefly present the theory of approximate transformation groups which let us constructively find approximate symmetries and approximately invariant solutions of equations with a small parameter. The theory is applied to large classes of evolution and wave equations.