New solitary-wave special solutions with compact support for the nonlinear dispersive K(m,n) equations |
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| Affiliation: | 1. Center for Combinatorics and LPMC, Nankai University, Tianjin 300071, PR China;2. Department of Mathematics, Qinghai Normal University, Xining, Qinghai 810008, PR China |
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| Abstract: | The genuinely nonlinear dispersive K(m,n) equation, ut+(um)x+(un)xxx=0, which exhibits compactons: solitons with compact support, is investigated. New solitary-wave solutions with compact support are developed. The specific cases, K(2,2) and K(3,3), are used to illustrate the pertinent features of the proposed scheme. An entirely new general formula for the solution of the K(m,n) equation is established, and the existing general formula is modified as well. |
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