On optimal decay rates for weak solutions to the Navier-Stokes equations in $R^n$

On optimal decay rates for weak solutions to the Navier-Stokes equations in $R^n$
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关于 $R^n$ 中纳维-斯托克斯方程弱解的最佳衰减率

DOI:
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发表时间:
2001
期刊:
影响因子:
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通讯作者:
M. Schonbek
M. Schonbek
中科院分区:
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文献类型:
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作者:
Tetsuro Miyakawa;M. Schonbek

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本文研究了空间为$mathbb{R}^n$的Navier-Stokes方程解的衰减率的最优下界。给出了相应的Navier-Stokes解满足代数界[Vertu(t)Vertge(t+1)^{-frac{n+4}{2}}的充要条件. ]
This paper is concerned with optimal lower bounds of decay rates for solutions to the Navier-Stokes equations in $mathbb{R}^n$. Necessary and sufficient conditions are given such that the corresponding Navier-Stokes solutions are shown to satisfy the algebraic bound [ Vert u(t) Vert ge (t+1)^{-frac{n+4}{2}}. ]