具有广义发展项的一类K(m,n)方程的行波解分支及动力学研究
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摘要
本文利用下面动力系统分支理论和方法研究了具有广义发展项的k(m,n)方程(?)的特殊情况(M=3,n=2,,L≥2)的相图分支和全局动力学行为,并给出部分情况下的精确行波解的完全显式参数表达文中利用时间尺度变换,把具有广义发展项的一类k(m,n)方程的奇异行波系统转化为一个正则系统,再运用动力系统分支理论给出正则系统的相图分支和动力学性质,通过对正则系统的研究揭示奇异行波系统的行波解的存在性及其动力学行为,并求出部分情况下的精确行波解,进一步说明周期解的存在性
In this paper, by using bifurcation theory and methods of plane dynamic system, we investigate thebifurcation and dynamical behavior of some special cases of a class of K(m, n) equations, i.e. (ul)t +aumux +(?), n = 2, l≥2. We obtain some exact explicit parametric representations oftraveling wave solutions by using time scaling transformation. We convert K(m, n) equation into a regularsystem, then the bifurcation and dynamical behaviors of regular system is discussed using bifurcation theoryof dynamic system. By discussing regular system, we find the existence of traveling wave solution anddynamical behavior of the singular traveling wave system. Meanwhile we get some exact traveling waveand the existence of periodic solution.
引文
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