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Starting from the B-cklund 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.
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Keywords:
- B-cklund transformation /
- Cole-Hopf transformation /
- variable separation approach /
- exact solutions
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