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arXiv 1606.05075math.APmath-phmath.DSmath.MPnlin.PS
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广义约化Ostrovsky方程周期波的谱稳定性

Spectral stability of periodic waves in the generalized reduced Ostrovsky equation

Anna Geyer, Dmitry E. Pelinovsky

摘要:

研究了广义约化Ostrovsky方程中周期行波在同周期扰动下的稳定性。与最近的文献相比,我们给出了一个简单的参数,证明了所有光滑的周期行波的谱稳定性的非线性功率独立。该论点是基于能量凸性,并没有使用坐标变换的减少奥斯特洛夫斯基方程的半线性方程的Klein-Gordon型。

英文摘要:

We consider stability of periodic travelling waves in the generalized reduced Ostrovsky equation with respect to co-periodic perturbations. Compared to the recent literature, we give a simple argument that proves spectral stability of all smooth periodic travelling waves independently on the nonlinearity power. The argument is based on the energy convexity and does not use coordinate transformations of the reduced Ostrovsky equations to the semi-linear equations of the Klein--Gordon type.

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。

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