Applications of F-expansion method to the coupled KdV system
Li Bao-An (李保安)ab, Wang Ming-Liang (王明亮)ac
a College of Science, Henan University of Science and Technology,Luoyang 471003, Chinab Department of Mathematics, Jilin University, Changchun 130000, China; c Department of Mathematics, Lanzhou University, Lanzhou 730000, China
Abstract An extended F-expansion method for finding periodic wave solutions of nonlinear evolution equations in mathematical physics is presented, which can be thought of as a concentration of extended Jacobi elliptic function expansion method proposed more recently. By using the homogeneous balance principle and the extended F-expansion, more periodic wave solutions expressed by Jacobi elliptic functions for the coupled KdV equations are derived. In the limit cases, the solitary wave solutions and the other type of travelling wave solutions for the system are also obtained.
Received: 15 March 2005
Revised: 22 April 2005
Accepted manuscript online:
Fund: Project supported by the Natural Science Foundation of Henan Province of China (Grant No 0111050200) and the Science Foundation of Henan University of Science and Technology (Grant Nos 2004ZY040 and 2004ZD002).
Cite this article:
Li Bao-An (李保安), Wang Ming-Liang (王明亮) Applications of F-expansion method to the coupled KdV system 2005 Chinese Physics 14 1698
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