Potential symmetries of nonlinear diffusion-convection equations
Date
1996Source
Journal of Physics A: Mathematical and GeneralVolume
29Issue
21Pages
6951-6959Google Scholar check
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In this paper potential symmetries are sought for the nonlinear diffusion-convection equations ut = [f(u)ux]x - [k(u)]x. The functional forms of f(u) and k(u) that admit such symmetries are completely classified.