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In this note we study periodic homogenization of Dirichlet problem for divergence type elliptic systems when both the coefficients and the boundary data are oscillating. One of the key difficulties here is the determination of the fixed…

偏微分方程分析 · 数学 2016-12-28 Hayk Aleksanyan

This paper is concerned with the homogenization of Dirichlet problem of elliptic systems in a bounded, smooth domain of finite type. Both the coefficients of the elliptic operator and the Dirichlet boundary data are assumed to be periodic…

偏微分方程分析 · 数学 2017-02-14 Jinping Zhuge

This paper is concerned with a family of second-order elliptic systems in divergence form with rapidly oscillating periodic coefficients. We initiate the study of homogenization and boundary layers for Neumann problems with first-order…

偏微分方程分析 · 数学 2016-10-27 Zhongwei Shen , Jinping Zhuge

We consider the Dirichlet problem for elliptic systems with periodically distributed inclusions whose conduction parameter exhibits a significant contrast compared to the background media. We develop a unified method to quantify the…

偏微分方程分析 · 数学 2024-04-18 Xin Fu , Wenjia Jing

This paper is concerned with boundary regularity estimates in the homogenization of elliptic equations with rapidly oscillating and high-contrast coefficients. We establish uniform nontangential-maximal-function estimates for the Dirichlet,…

偏微分方程分析 · 数学 2021-05-28 Zhongwei Shen

We introduce a new constructive method for establishing lower bounds on convergence rates of periodic homogenization problems associated with divergence type elliptic operators. The construction is applied in two settings. First, we show…

偏微分方程分析 · 数学 2016-12-28 Hayk Aleksanyan

This note is a summary of the recent paper [9]. Here, we study the homogenization of elliptic systems with Dirichlet boundary condition, when both the coefficients and the boundary datum are oscillating. In particular, in the paper [9], we…

偏微分方程分析 · 数学 2013-01-31 David Gerard-Varet , Nader Masmoudi

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 study the continuity/discontinuity of the effective boundary condition for periodic homogenization of oscillating Dirichlet data for nonlinear divergence form equations and linear systems. For linear systems we show continuity, for…

偏微分方程分析 · 数学 2019-10-30 William M. Feldman , Yuming Paul Zhang

In the present paper, we generalize the theory of quantitative homogenization for second-order elliptic systems with rapidly oscillating coefficients in $APW^2(\mathbb{R}^d)$, which is the space of almost-periodic functions in the sense of…

偏微分方程分析 · 数学 2017-02-14 Jinping Zhuge

We use uniform $W^{2,p}$ estimates to obtain corrector results for periodic homogenization problems of the form $A(x/\varepsilon):D^2 u_{\varepsilon} = f$ subject to a homogeneous Dirichlet boundary condition. We propose and rigorously…

数值分析 · 数学 2020-06-17 Yves Capdeboscq , Timo Sprekeler , Endre Süli

In this paper we prove convergence results for the homogenization of the Dirichlet problem with rapidly oscillating boundary data in convex polygonal domains. Our analysis is based on integral representation of solutions. Under a certain…

偏微分方程分析 · 数学 2015-06-16 Hayk Aleksanyan , Henrik Shahgholian , Per Sjölin

In recent years considerable advances have been made in quantitative homogenization of partial differential equations in the periodic and non-periodic settings. This monograph surveys the theory of quantitative homogenization for…

偏微分方程分析 · 数学 2017-11-01 Zhongwei Shen

This paper investigates quantitative estimates in the homogenization of second-order elliptic systems with periodic coefficients that oscillate on multiple separated scales. We establish large-scale interior and boundary Lipschitz estimates…

偏微分方程分析 · 数学 2019-09-23 Weisheng Niu , Zhongwei Shen , Yao Xu

We prove the homogenization of the Dirichlet problem for fully nonlinear elliptic operators with periodic oscillation in the operator and of the boundary condition for a general class of smooth bounded domains. This extends the previous…

偏微分方程分析 · 数学 2013-05-07 William M. Feldman

In this paper, we consider stochastic homogenization of elliptic equations with unbounded and non-uniformly elliptic coefficients. Extending subadditive arguments, we get an estimate for the rate of the convergence of the solution of the…

概率论 · 数学 2023-02-03 Tomohiro Aya

We study uniform Lipschitz regularity estimates for elliptic systems in divergence form with continuous coefficients, based on rapidly oscillating periodic coefficients derived from homogenization theory. We extend a result by Avellaneda…

偏微分方程分析 · 数学 2025-10-28 Sungjin Lee

For a family of elliptic operators with rapidly oscillating periodic coefficients, we study the convergence rates for Dirichlet eigenvalues and bounds of the normal derivatives of Dirichlet eigenfunctions. The results rely on an…

偏微分方程分析 · 数学 2012-09-26 Carlos E. Kenig , Fanghua Lin , Zhongwei Shen

The article studies the reiterated homogenization of linear elliptic variational inequalities arising in problems with unilateral constrains. We assume that the coefficients of the equations satisfy and abstract hypothesis covering on each…

数学物理 · 物理学 2018-11-16 Hermann Douanla , Cyrille Kenne

We study optimal convergence rates in the periodic homogenization of linear elliptic equations of the form $-A(x/\varepsilon):D^2 u^{\varepsilon} = f$ subject to a homogeneous Dirichlet boundary condition. We show that the optimal rate for…

偏微分方程分析 · 数学 2021-11-08 Timo Sprekeler , Hung V. Tran
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