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GLOBAL EXISTENCE AND OPTIMAL CONVERGENCE RATES OF SOLUTIONS FOR THREE-DIMENSIONAL ELECTROMAGNETIC FLUID SYSTEM

GLOBAL EXISTENCE AND OPTIMAL CONVERGENCE RATES OF SOLUTIONS FOR THREE-DIMENSIONAL ELECTROMAGNETIC FLUID SYSTEM
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摘要 In this article, we study the electromagnetic fluid system in three-dimensional whole space R^3. Under assumption of small initial data, we establish the unique global solution by energy method. Moreover, we obtain the time decay rates of the higher-order spatial derivatives of the solution by combining the L^p-L^q estimates for the linearized equations and an elaborate energy method when the L^1-norm of the perturbation is bounded. In this article, we study the electromagnetic fluid system in three-dimensional whole space R^3. Under assumption of small initial data, we establish the unique global solution by energy method. Moreover, we obtain the time decay rates of the higher-order spatial derivatives of the solution by combining the L^p-L^q estimates for the linearized equations and an elaborate energy method when the L^1-norm of the perturbation is bounded.
作者 李银 位瑞英 姚正安 Yin LZ;Ruiying WEI;Zheng-an YAO
出处 《Acta Mathematica Scientia》 SCIE CSCD 2019年第2期469-490,共22页 数学物理学报(B辑英文版)
基金 partially supported by the National Natural Science Foundation of China(11501373,11701380,11271381) Guangdong Provincial Culture of Seedling of China(2013LYM0081) the Natural Science Foundation of Guangdong Province(2017A030307022,2016A0300310019,2016A030307042) the Education Research Platform Project of Guangdong Province(2014KQNCX208) the Education Reform Project of Guangdong Province(2015558)
关键词 ELECTROMAGNETIC FLUID DECAY rates Fourier-splitting method electromagnetic fluid decay rates Fourier-splitting method
分类号 O [理学]
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