Well-posedness and long time behavior for the electron inertial Hall-MHD system in Besov and Kato-Herz spaces.

Well-posedness and long time behavior for the electron inertial Hall-MHD system in Besov and Kato-Herz spaces.
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Besov 和 Kato-Herz 空间中电子惯性霍尔 MHD 系统的适定性和长时间行为。

DOI:
10.1016/j.jmaa.2021.125208
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发表时间:
2019
期刊:
arXiv: Analysis of PDEs
影响因子:
--
通讯作者:
Haroune Houamed
Haroune Houamed
中科院分区:
--
文献类型:
--
作者:
Haroune Houamed

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本文研究了电子惯性效应增强的霍尔-磁流体动力系统的适态性。我们的主要结果包括将[17]中的适位性从Sobolev环境推广到一般的Besov空间和Kato-Herz空间。然后,通过模取最大存在时间的一个附加条件,我们证明了在第一个结果中我们可以降低磁场的规则性要求。最后,我们证明,对于所有p∈(3,∞),解(u, B,∇x B)的L p范数(最终是L p范数),与B p,∞3p−1 (R 3)中的小初始数据相关,由t−1 2(1−3p)控制,这提供了解的L p范数的多项式衰减到零。
In this paper, we study the wellposedness of the Hall-magnetohydrodynamic system augmented by the effect of electron inertia. Our main result consists of generalizing the wellposedness one in [17] from the Sobolev context to the general Besov spaces and Kato-Herz space. Then, we show that we can reduce the required regularity of the magnetic field in the first result modulo an additional condition on the maximal time of existence. Finally, we show that, for all p∈(3,∞), the L ˆ p (and eventually the L p) norm of the solution (u, B,∇× B), associated to small initial data in B ˆ p,∞ 3 p− 1 (R 3), is controlled by t− 1 2 (1− 3 p), which provides a polynomial decay to zero of the L ˆ p norm of the solution.
DOI: 10.1016/j.jde.2017.03.024
发表时间: 2016-09
影响因子: 2.4
作者:
Adam Larios;Yuan Pei
通讯作者: Adam Larios;Yuan Pei