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On the Cauchy problem for a Camassa-Holm type equation with cubic and quartic nonlinearities
Monatshefte für Mathematik ( IF 0.8 ) Pub Date : 2021-06-28 , DOI: 10.1007/s00605-021-01584-y
Wenjie Deng , Zhaoyang Yin

In this paper we first investigate the local well-posedness and global existence with large damping coefficient for the Cauchy problem of a Camassa-Holm type equation with cubic and quartic nonlinearities in nonhomogeneous Besov spaces. Then we obtain a blow-up criteria and present norm inflation which implies ill-posedness for the equation in critical Besov spaces.



中文翻译:

关于具有三次和四次非线性的 Camassa-Holm 型方程的柯西问题

在本文中,我们首先研究了非齐次 Besov 空间中具有三次和四次非线性的 Camassa-Holm 型方程的柯西问题的局部适定性和具有大阻尼系数的全局存在性。然后我们获得一个膨胀标准并提出规范膨胀,这意味着临界 Besov 空间中方程的不适定性。

更新日期:2021-06-28
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