arXivDaily arXiv每日学术速递 周一至周五更新
北美退伍军人节(Veterans Day),12 日无更新
arXiv 0811.4209nlin.SI
收藏

Benjamin-Ono方程时间周期解的无限分支族

An infinite branching hierarchy of time-periodic solutions of the Benjamin-Ono equation

Jon Wilkening

摘要:

我们提出了一个新的表示的Benjamin-Ono方程的解决方案,是周期性的空间和时间。添加剂常数和伽利略变换,这些解决方案中的每一个是以前已知的,多周期的解决方案,然而,新的表示统一的子集,这样的解决方案与一个固定的空间周期和一个连续变化的时间周期到一个单一的网络连接在一起的光滑流形的无限层次的分叉。我们的表述明确地描述了解的傅立叶模式的演化以及这些解的亚纯表述中的粒子轨迹;因此,我们也解决了寻找控制这些粒子的常微分方程的周期解的问题,包括描述在不破坏周期性的情况下添加或移除粒子的分叉机制。我们举例说明了几个例子,包括退化的分岔不预测线性化约行波发生的类型。

英文摘要:

We present a new representation of solutions of the Benjamin-Ono equation that are periodic in space and time. Up to an additive constant and a Galilean transformation, each of these solutions is a previously known, multi-periodic solution; however, the new representation unifies the subset of such solutions with a fixed spatial period and a continuously varying temporal period into a single network of smooth manifolds connected together by an infinite hierarchy of bifurcations. Our representation explicitly describes the evolution of the Fourier modes of the solution as well as the particle trajectories in a meromorphic representation of these solutions; therefore, we have also solved the problem of finding periodic solutions of the ordinary differential equation governing these particles, including a description of a bifurcation mechanism for adding or removing particles without destroying periodicity. We illustrate the types of bifurcation that occur with several examples, including degenerate bifurcations not predicted by linearization about traveling waves.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑