On Lie–Bäcklund vector fields of the evolution equations ∂2u/∂x ∂t=f(u) and ∂u/∂t=∂2u/∂x2+f(u)
- 1 February 1984
- journal article
- research article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 25 (2) , 237-239
- https://doi.org/10.1063/1.526145
Abstract
For the evolution equations ∂2u/∂x ∂t=f(u) and ∂u/∂t=∂2u/∂x2+f(u) we derive the analytic functions f where Lie–Bäcklund vector fields are admitted.Keywords
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