Non-autonomous Ornstein-Uhlenbeck equations in exterior domains

Non-autonomous Ornstein-Uhlenbeck equations in exterior domains
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外部域中的非自治 Ornstein-Uhlenbeck 方程

DOI:
10.57262/ade/1355854307
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发表时间:
2010
影响因子:
1.4
通讯作者:
A. Rhandi
A. Rhandi
中科院分区:
数学4区
文献类型:
--
作者:
Tobias Hansel;A. Rhandi

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本文考虑光滑外区域$\Omega\子集R^d$上的非自治Ornstein-Uhlenbeck算子满足Dirichlet边界条件.在适当的系数假设下,相应的非自治抛物柯西问题的解由L^p(\Omega)$上的演化系统$\{P_\Omega(t,s)\}_{0\leq s\leq t}$控制,其中1 < p < \infty$.进一步得到了P_\Omega(t,s)$,$0\leq s\leq t$的空间导数的L^p$-估计和L^p$-L^q$光滑性质.
In this paper, we consider non-autonomous Ornstein-Uhlenbeck operators in smooth exterior domains $\Omega\subset \R^d$ subject to Dirichlet boundary conditions. Under suitable assumptions on the coefficients, the solution of the corresponding non-autonomous parabolic Cauchy problem is governed by an evolution system $\{P_\Omega(t,s)\}_{0\leq s\leq t}$ on $L^p(\Omega)$ for $1< p < \infty$. Furthermore, $L^p$-estimates for spatial derivatives and $L^p$-$L^q$ smoothing properties of $P_\Omega(t,s)$, $0\leq s\leq t$, are obtained.
具有旋转效应和规定流出速度的纳维斯托克斯方程
DOI: 10.1007/s00021-010-0026-x
发表时间: 2011
影响因子: 1.3
作者:
T. Hansel
通讯作者: T. Hansel