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We establish quantitative homogenization results for the popular log-normal coefficients. Since the coefficients are neither bounded nor uniformly elliptic, standard proofs do not apply directly. Instead, we take inspiration from the…

偏微分方程分析 · 数学 2024-03-04 Nicolas Clozeau , Antoine Gloria , Siguang Qi

We prove homogenization for degenerate viscous Hamilton-Jacobi equations in dimension one in stationary ergodic environments with a quasiconvex and superlinear Hamiltonian of fairly general type. We furthermore show that the effective…

偏微分方程分析 · 数学 2025-04-17 Andrea Davini

We establish a quantitative normal approximation result for sums of random variables with multilevel local dependencies. As a corollary, we obtain a quantitative normal approximation result for linear functionals of random fields which may…

概率论 · 数学 2019-05-27 Julian Fischer

We present stochastic homogenization results for viscous Hamilton-Jacobi equations using a new argument which is based only on the subadditive structure of maximal subsolutions (solutions of the "metric problem"). This permits us to give…

偏微分方程分析 · 数学 2016-01-20 Scott N. Armstrong , Hung V. Tran

We prove homogenization properties of random Hamilton-Jacobi-Bellman (HJB) equations on continuum percolation clusters, almost surely w.r.t. the law of the environment when the origin belongs to the unbounded component in the continuum.…

偏微分方程分析 · 数学 2022-08-16 Rodrigo Bazaes , Alexander Mielke , Chiranjib Mukherjee

This paper is concerned with the study of solutions to discrete parabolic equations in divergence form with random coefficients, and their convergence to solutions of a homogenized equation. It has previously been shown that if the random…

偏微分方程分析 · 数学 2012-03-27 Joseph G. Conlon , Arash Fahim

We prove homogenization for viscous Hamilton-Jacobi equations with a Hamiltonian of the form $G(p)+V(x,\omega)$ for a wide class of stationary ergodic random media in one space dimension. The momentum part $G(p)$ of the Hamiltonian is a…

偏微分方程分析 · 数学 2023-03-14 Andrea Davini , Elena Kosygina , Atilla Yilmaz

We prove stochastic homogenization for a class of non-convex and non-coercive first-order Hamilton-Jacobi equations in a finite-range-dependence environment for Hamiltonians that can be expressed by a max-min formula. Exploiting the…

偏微分方程分析 · 数学 2025-10-30 Andrea Davini , Raimundo Saona , Bruno Ziliotto

We study quantitative large-time averages for Hamilton--Jacobi equations in a dynamic random environment that is stationary ergodic and has unit-range dependence in time. Our motivation comes from stochastic growth models related to the…

偏微分方程分析 · 数学 2026-05-22 Xiaoqin Guo , Wenjia Jing , Hung Vinh Tran , Yuming Paul Zhang

In this article we are interested in quantitative homogenization results for linear elliptic equations in the non-stationary situation of a straight interface between two heterogenous media. This extends the previous work [Josien, 2019] to…

偏微分方程分析 · 数学 2019-12-03 Marc Josien , Claudia Raithel

We obtain the first quantitative stochastic homogenization result for reaction-diffusion equations, for ignition reactions in dimensions $d\le 3$ that either have finite ranges of dependence or are close enough to such reactions, and for…

偏微分方程分析 · 数学 2021-07-27 Yuming Paul Zhang , Andrej Zlatos

This work develops a quantitative homogenization theory for random suspensions of rigid particles in a steady Stokes flow, and completes recent qualitative results. More precisely, we establish a large-scale regularity theory for this…

偏微分方程分析 · 数学 2021-03-12 Mitia Duerinckx , Antoine Gloria

We give a self-contained introduction to the theory of elliptic homogenization for random coefficient fields, starting from classical qualitative homogenization. The presentation also contains new results, such as optimal estimates (both in…

偏微分方程分析 · 数学 2024-09-19 Scott Armstrong , Tuomo Kuusi

In this paper, we demonstrate a polynomial convergence rate for homogenization of Hamilton-Jacobi equations with quasi-periodic potentials. We establish a connection between the convergence rate of homogenization and the regularity of the…

偏微分方程分析 · 数学 2024-12-23 Bingyang Hu , Son N. T. Tu , Jianlu Zhang

We consider nonlinear, uniformly elliptic equations with random, highly oscillating coefficients satisfying a finite range of dependence. We prove that homogenization and linearization commute in the sense that the linearized equation…

偏微分方程分析 · 数学 2019-09-26 Scott Armstrong , Sam Ferguson , Tuomo Kuusi

We prove homogenization for a class of nonconvex (possibly degenerate) viscous Hamilton-Jacobi equations in stationary ergodic random environments in one space dimension. The results concern Hamiltonians of the form $G(p)+V(x,\omega)$,…

偏微分方程分析 · 数学 2022-07-05 Andrea Davini , Elena Kosygina

This article is concerned with numerical methods to approximate effective coefficients in stochastic homogenization of discrete linear elliptic equations, and their numerical analysis --- which has been made possible by recent contributions…

数值分析 · 数学 2012-11-09 A. -C. Egloffe , A. Gloria , J. -C. Mourrat , T. N. Nguyen

We consider the homogenization of parabolic equations with large spatially-dependent potentials modeled as Gaussian random fields. We derive the homogenized equations in the limit of vanishing correlation length of the random potential. We…

数学物理 · 物理学 2008-09-08 Guillaume Bal

We consider the homogenization of Hamilton-Jacobi equations and degenerate Bellman equations in stationary, ergodic, unbounded environments. We prove that, as the microscopic scale tends to zero, the equation averages to a deterministic…

偏微分方程分析 · 数学 2011-08-22 Scott N. Armstrong , Panagiotis E. Souganidis

In this paper, we show that the concept of sigma-convergence associated to stochastic processes can tackle the homogenization of stochastic partial differential equations. In this regard, the homogenization problem for a stochastic…

偏微分方程分析 · 数学 2014-08-12 Paul André Razafimandimby , Jean Louis Woukeng