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Volume 2, Number 4, 2012, Pages 423-430                                                                DOI:10.11948/2012031
The extended Riccati equation method for travelling wave solutions of ZK equation
Xiaofeng Li,Jiahua Han,Fei Wang
Keywords:The extended Riccati equation method
      In this article, the extended Riccati equation method is applied to seeking more general exact travelling wave solutions of the ZK equation. The traveling wave solutions are expressed by the hyperbolic functions, the trigonometric functions and the rational functions. When the parameters are taken as special values, the solitary wave solutions are obtained from the hyperbolic function solutions. Similarly, the periodic wave solutions are also obtained from the trigonometric function solutions. The approach developed in this paper is effective and it may also be used for solving many other nonlinear evolution equations in mathematical physics.
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