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arXiv 0903.0546math.AP
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对称波是行波

Symmetric waves are traveling waves

Mats Ehrnström, Helge Holden, Xavier Raynaud

摘要:

我们表明,水平对称的水波是行波。结果是有效的欧拉方程,并根据适用于一个大类的非线性偏微分方程,包括一些最有名的模型方程水波的一般原则。对Camassa-Holm方程的弱解进行了详细的分析.此外,我们建立了非对称线性旋转波的存在性的欧拉方程。

英文摘要:

We show that horizontally symmetric water waves are traveling waves. The result is valid for the Euler equations, and is based on a general principle that applies to a large class of nonlinear partial differential equations, including some of the most famous model equations for water waves. A detailed analysis is given for weak solutions of the Camassa-Holm equation. In addition, we establish the existence of nonsymmetric linear rotational waves for the Euler equations.

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