Drinfeld–Sokolov–Wilson equation

The Drinfeld-Sokolov-Wilson equation, or DSW equations, is a system of two coupled nonlinear partial differential equations proposed by Drinfeld, Vladimir Sokolov, and George Wilson^[1]：

$\begin{align}&\frac{\partial u}{\partial t}+3v\frac{\partial v}{\partial x}=0\\ &\frac{\partial v}{\partial t}=2\frac{\partial^3 v}{\partial x^3}+\frac{\partial u}{\partial x}v+2u\frac{\partial v}{\partial x}\end{align}$

Reference

1. Esmaeil Alibeiki and Ahmad Neyrameh Application of Homotopy Perturbation Method to Nonlinear Drinfeld-Sokolov-Wilson Equation

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