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中国物理学会期刊

一类非线性方程的compacton解及其移动compacton解

CSTR: 32037.14.aps.53.2821

Compacton solutions and floating compacton solutions of one type of nonlinear equations

CSTR: 32037.14.aps.53.2821
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  • 研究一类非线性方程,即广义Camassa-Holm方程C(n):ut+kux+β1u\xxt\+β2u\n+1\x+β3uxun\xx\+β4uun\xxx\=0.通过四种拟设得到丰富的精确解,特别是当k≠0时得到了com pacton解,当k=0时得到了移动compacton解.最后利用线 性化的方法得到了其他形式的广义Camassa-Holm方程的compacton解.

     

    Study one type of nonlinear equations,namely generalized Camassa-Holm equation C(n):u\-t+ku\-x+β\-1uxxt+β\-2(un+1)x+β\-3u\-x(u\+n)xx+β\- 4u(u\+n)xxx=0.Obtain abundant exact solutions by four ansasz,particularly when k≠0,we obt ain compacton solutions;while whenk=0,we obtain floating compacton solution s.At last,we also study other forms of fully nonlinear generalized Camassa-Holm equation,and their compacton solutions are governed by nonlinear equations.

     

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