Remarks on the logarithmical regularity criterion of the supercritical surface quasi-geostrophic equation in Morrey spaces

Remarks on the logarithmical regularity criterion of the supercritical surface quasi-geostrophic equation in Morrey spaces
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Morrey空间中超临界表面准地转方程对数正则性判据的评述

DOI:
10.1016/j.aml.2014.11.012
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发表时间:
2015-05
影响因子:
3.7
通讯作者:
Dong, Bo-Qing
Dong, Bo-Qing
中科院分区:
数学2区
文献类型:
--
作者:
Jia, Yan;Dong, Bo-Qing

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This paper is concerned with the regularity criterion of the weak solutions of the two-dimensional supercritical surface quasi-geostrophic equation in a critical Morrey space. It is proved that if the weak solution θ (x, t) of the supercritical quasi-geostrophic equation satisfies the growth condition∫ 0 T‖∇ θ (t)‖ M ̇ p, q r 1+ ln (e+‖∇ θ‖ L p) d t<∞ with 2 p+ α r= α, 2 α< p<∞, then the solution θ (x, t) is regular on R 2×(0, T]. This improves the earlier results by Xiang (2010).
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