华南理工大学学报(自然科学版) ›› 2007, Vol. 35 ›› Issue (8): 118-122.
• 数学科学 • 上一篇 下一篇
张本龚 刘正荣
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国家自然科学基金资助项目(10571062)
Zhang Ben-gong Liu Zheng-rong
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摘要: 利用微分方程定性理论和动力系统分支方法,对一类广义Boussinesq 方程的孤立夫波解的存在性进行了研究.给出了该方程对应的行波系统的分支相图,并利用相图证明了该方程不存在孤立夫波解.
关键词: 广义Boussinesq 方程, 孤立波, 夫波解, 分支相图
Abstract:
In this paper , the qualitative theory of differential equations and the bifurcation method of dynamical systems are used to investigate the existence of the solitary peakon solution to a generalized Boussinesq equation. In the investigation , the bifurcation phase portraits of the corresponding traveling wave system are given , which are then adopted to prove the nonexistence of the solitary peakon solution to the equation.
Key words: generalized Boussinesq equation, solitarγwave, peakon solution, bifurcation phase portrait
张本龚 刘正荣. 广义Boussinesq 方程孤立尖波解的不存在性[J]. 华南理工大学学报(自然科学版), 2007, 35(8): 118-122.
Zhang Ben-gong Liu Zheng-rong. Nonexistence of Solitary Peakon Solution to a Generalized Boussinesq Equation[J]. Journal of South China University of Technology (Natural Science Edition), 2007, 35(8): 118-122.
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