New exact solitary-wave special solutions for the nonlinear dispersive K(m,n) equations

Yonggui Zhu and Zhuosheng Lü

Chaos, Solitons & Fractals, 2006, vol. 27, issue 3, 836-842

Abstract: In this paper, we study the nonlinear dispersive K(m,n) equations: ut+(um)x−(un)xxx=0 which exhibit solutions with solitary patterns. New exact solitary solutions are found. The two special cases, K(2,2) and K(3,3), are chosen to illustrate the concrete features of the decomposition method in K(m,n) equations. The nonlinear equations K(m,n) are studied for two different cases, namely when m=n being odd and even integers. General formulas for the solutions of K(m,n) equations are established.

Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:27:y:2006:i:3:p:836-842

DOI: 10.1016/j.chaos.2005.04.057

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