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In this paper we study the quantitative homogenization of second-order parabolic systems with locally periodic (in both space and time) coefficients. The $O(\varepsilon)$ scale-invariant error estimate in $L^2(0, T;…

偏微分方程分析 · 数学 2021-12-03 Yao Xu

The paper is mainly concerned with an approximate three-ball inequality for solutions in elliptic periodic homogenization. We consider a family of second order operators $\mathcal{L}_\epsilon$ in divergence form with rapidly oscillating and…

偏微分方程分析 · 数学 2019-12-17 Carlos Kenig , Jiuyi Zhu

This paper is concerned with quantitative homogenization of second-order parabolic systems with periodic coefficients varying rapidly in space and time, in different scales. We obtain large-scale interior and boundary Lipschitz estimates as…

偏微分方程分析 · 数学 2020-01-08 Jun Geng , Zhongwei Shen

For a family of second-order parabolic systems with bounded measurable, rapidly oscillating and time-dependent periodic coefficients, we investigate the sharp convergence rates of weak solutions in $L^2$. Both initial-Dirichlet and…

偏微分方程分析 · 数学 2016-04-25 Jun Geng , Zhongwei Shen

This paper considers a family of second-order periodic parabolic equations with highly oscillating potentials, which have been considered many times for the time-varying potentials in stochastic homogenization. Following a standard…

偏微分方程分析 · 数学 2022-07-20 Yiping Zhang

The paper deals with homogenization of divergence form second order parabolic operators whose coefficients are periodic in spatial variables and random stationary in time. Under proper mixing assumptions, we study the limit behaviour of the…

概率论 · 数学 2014-07-14 Marina Kleptsyna , Andrey Piatnitski , Alexandre Popier

For a family of second-order parabolic systems with rapidly oscillating and time-dependent periodic coefficients, we investigate the asymptotic behavior of fundamental solutions and establish sharp estimates for the remainders.

偏微分方程分析 · 数学 2017-11-30 Jun Geng , Zhongwei Shen

In this paper, for a family of second-order parabolic system or equation with rapidly oscillating and time-dependent periodic coefficients over rough boundaries, we obtain the large-scale boundary estimates, by a quantitative approach. The…

偏微分方程分析 · 数学 2024-11-14 Pengxiu Yu , Yiping Zhang

This paper is devoted to the homogenization of Shr\"odinger type equations with periodically oscillating coefficients of the diffusion term, and a rapidly oscillating periodic time-dependent potential. One convergence theorem is proved and…

偏微分方程分析 · 数学 2016-11-29 Lazarus Signing

This paper considers a family of second-order parabolic equations in divergence form with rapidly oscillating and time-dependent periodic coefficients and an interface between two periodic structures. Following a framework initiated by…

偏微分方程分析 · 数学 2023-06-21 Yiping Zhang

The aim of the paper is to introduce an alternative notion of two-scale convergence which gives a more natural modeling approach to the homogenization of partial differential equations with periodically oscillating coefficients: while…

偏微分方程分析 · 数学 2016-07-20 François Alouges , Giovanni Di Fratta

In order to have a better description of homogenization for parabolic partial differential equations with periodic coefficients, we define the notion of parametric two-scale convergence. A compactness theorem is proved to justify this…

偏微分方程分析 · 数学 2007-05-23 Hee Chul Pak

For a family of second-order elliptic systems in divergence form with rapidly oscillating almost-periodic coefficients, we obtain estimates for approximate correctors in terms of a function that quantifies the almost periodicity of the…

偏微分方程分析 · 数学 2015-06-26 Zhongwei Shen

We consider a family of second-order parabolic systems in divergence form with rapidly oscillating and time-dependent coefficients, arising in the theory of homogenization. We obtain uniform interior $W^{1,p}$, H\"older, and Lipschitz…

偏微分方程分析 · 数学 2013-08-28 Jun Geng , Zhongwei Shen

This paper addresses the issue of homogenization of linear divergence form parabolic operators in situations where no ergodicity and no scale separation in time or space are available. Namely, we consider divergence form linear parabolic…

偏微分方程分析 · 数学 2007-05-23 Houman Owhadi , Lei Zhang

We study the spatial-homogeneity of stable solutions of almost-periodic parabolic equations. It is shown that if the nonlinearity satisfies a concave or convex condition, then any linearly stable almost automorphic solution is…

动力系统 · 数学 2018-04-24 Yi Wang , Jianwei Xiao , Dun Zhou

A homogenization result for a family of integral energies is presented, where the fields are subjected to periodic first order oscillating differential constraints in divergence form. The work is based on the theory of A -quasiconvexity…

偏微分方程分析 · 数学 2015-08-21 Elisa Davoli , Irene Fonseca

In a Lipschitz cylinder, this paper is devoted to establish an almost sharp error estimate $O(\varepsilon\log_2(1/\varepsilon))$ in $L^2$-norm for parabolic systems of elasticity with initial-Dirichlet conditions, arising in the…

偏微分方程分析 · 数学 2017-05-11 Qiang Xu , Shulin Zhou

We consider the scattering of elastic waves by highly oscillating anisotropic periodic media with bounded support. Applying the two-scale homogenization, we first obtain a constant coefficient second-order partial differential elliptic…

偏微分方程分析 · 数学 2018-02-06 Yi-Hsuan Lin , Shixu Meng

Stochastic-periodic homogenization is studied for the Maxwell equations with nonlinear and periodic electric conductivity. It is shown by the stochastic-two-scale convergence method that the sequence of solutions of a class of highly…

偏微分方程分析 · 数学 2023-12-27 Joel Fotso Tachago , Hubert Nnang
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