科研之友
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摘要
Starting from the Backlund transformation and using Cole-Hopf transformation, we reduce a class of nonlinear evolution equations in (2 + 1)-dimensional spaces to a simple nonlinear evolution equation with two arbitrary functions of .{x, t} and {y, t}. We can obtain some new exact solutions of the original equations by studying the simple nonlinear evolution equation which includes some solutions obtained by the variable separation approach.
