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arXiv 1202.6443math.AP
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具有低正则性数据的Kawahara方程的整体适定性

Global well-posedness for the Kawahara equation with low regularity data

Takamori Kato

摘要:

本文研究五阶KdV型方程Kawahara方程Cauchy问题的整体适定性.我们首先建立了局部适定性在一个更合适的函数空间的整体适定性的傅立叶限制范数方法的变体。接下来,我们通过I-方法在时间上扩展局部解。本文将I-方法应用于修正的Bourgain空间。

英文摘要:

We consider the global well-posedness for the Cauchy probelem of the Kawahara equation which is one of the fifth order KdV type equations. We first establish the local well-posedness in a more suitable function space for the global well-posedness by a variant of the Fourier restriction norm method. Next, we extend local solutions globally in time by the I-method. In this paper, we apply the I-method to the modified Bourgain space.

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