(3+1)维波动方程的不变集和精确解

Invariant set and exact solutions to the(3+1)-dimensional nonlinear wave equation

为研究(3+1)维非线性波动方程的精确解,通过利用不变集方法,得到了(3+1)维非线性波动方程的一些新精确解。该方法也可以用来求解其他非线性偏微分方程。

To study exact solutions of the（3＋1）-dimensional wave equations by employing the invariant set method.Some exact solutions of the（3＋1）-dimensional wave equations are derived.This approach can also be applied to other nonlinear partial differential equations.