研究(2+1)维拟线性扩散方程的精确解问题.运用推广的不变集方法,给出(2+1)维拟线性扩散方程的一些特殊解.此方法是(1+1)维拟线性扩散方程的推广.%To study the exact solutions of (2+ 1)-dimensional quasilinear diffusion equation. Utilize the extended invariant sets to obtain the exact solutions of (2+1)-dimensional quasilinear diffusion equation. Some special exact solutions are obtained. It is an extension to (1+1)-dimensional quasilineax diffusion equation.
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