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In this paper, the asymptotic behavior of the solutions of a monotone problem posed in a locally periodic oscillating domain is studied. Nonlinear monotone boundary conditions are imposed on the oscillating part of the boundary whereas the…

Analysis of PDEs · Mathematics 2024-01-30 S. Aiyappan , G. Cardone , C. Perugia , R. Prakash

We study stochastic differential equations with jumps with no diffusion part. We provide some basic stochastic characterizations of solutions of the corresponding non-local partial differential equations and prove the Harnack inequality for…

Probability · Mathematics 2015-10-06 Ari Arapostathis , Anup Biswas , Luis Caffarelli

We study a competition-diffusion model while performing simultaneous homogenization and strong competition limits. The limit problem is shown to be a Stefan type evolution equation with effective coefficients. We also perform some numerical…

Analysis of PDEs · Mathematics 2017-10-20 Harsha Hutridurga , Chandrasekhar Venkataraman

We consider a strongly nonlinear elliptic problem with the homogeneous Dirichlet boundary condition. The growth and the coercivity of the elliptic operator is assumed to be indicated by an inhomogeneous anisotropic $\mathcal{N}$-function.…

Analysis of PDEs · Mathematics 2018-01-24 Miroslav Bulíček , Piotr Gwiazda , Martin Kalousek , Agnieszka Świerczewska-Gwiazda

Stochastic homogenization is achieved for a class of elliptic and parabolic equations describing the lifetime, in large domains, of stationary diffusion processes in random environment which are small, statistically isotropic perturbations…

Analysis of PDEs · Mathematics 2016-03-01 Benjamin J. Fehrman

We study two types of asymptotic problems whose common feature - and difficulty- is to exhibit oscillating Dirichlet boundary conditions : the main contribution of this article is to show how to recover the Dirichlet boundary condition for…

Analysis of PDEs · Mathematics 2012-05-22 Guy Barles , Elisabeth Mironescu

We study scaling limits of skew plane partitions with periodic weights under several boundary conditions. We compute the correlation kernel of the limiting point process in the bulk and near turning points on the frozen boundary. The…

Probability · Mathematics 2015-06-17 Sevak Mkrtchyan

In this work we present the homogenization of a reaction-diffusion model that includes an evolving microstructure. Such type of problems model, for example, mineral dissolution and precipitation in a porous medium. Hence, we are dealing…

Analysis of PDEs · Mathematics 2022-05-09 Markus Gahn , Iuliu Sorin Pop

This paper deals with homogenization problem for convolution type non-local operators in random statistically homogeneous ergodic media. Assuming that the convolution kernel has a finite second moment and satisfies the uniform ellipticity…

Functional Analysis · Mathematics 2018-07-19 Andrey Piatnitski , Elena Zhizhina

In this paper we prove the boundedness and H\"older continuity of quasilinear elliptic problems involving variable exponents for a homogeneous Dirichlet and a nonhomogeneous Neumann boundary condition, respectively. The novelty of our work…

Analysis of PDEs · Mathematics 2022-01-10 Ky Ho , Yun-Ho Kim , Patrick Winkert , Chao Zhang

The paper deals with homogenization problem for nonlinear elliptic and parabolic equations in a periodically perforated domain, a nonlinear Fourier boundary conditions being imposed on the perforation border. Under the assumptions that the…

Analysis of PDEs · Mathematics 2010-06-04 Andrey Piatnitski , Volodymyr Rybalko

We prove the homogenization of fully nonlinear parabolic equations with periodic oscillating Dirichlet boundary conditions on certain general prescribed space-time domains. It was proved in [9,10] that for elliptic equations, the…

Analysis of PDEs · Mathematics 2022-03-09 Yuming Paul Zhang

This paper concerns with a family of elliptic systems of linear elasticity with rapidly oscillating periodic coefficients, arising in the theory of homogenization. We establish uniform optimal regularity estimates for solutions of Neumann…

Analysis of PDEs · Mathematics 2017-03-08 Jun Geng , Zhongwei Shen , Liang Song

We consider the mathematical analysis and homogenization of a moving boundary problem posed for a highly heterogeneous, periodically perforated domain. More specifically, we are looking at a one-phase thermo-elasticity system with phase…

Analysis of PDEs · Mathematics 2025-10-10 Michael Eden , Adrian Muntean

In the second part of this series of papers, we address the same Cauchy problem that was considered in part 1, namely the nonlocal Fisher-KPP equation in one spatial dimension, \[ u_t = D u_{xx} + u(1-\phi*u), \] where $\phi*u$ is a spatial…

Analysis of PDEs · Mathematics 2023-06-07 D. J. Needham , J. Billingham

Using a perturbative approach, an evolution equation for the space charge density, correct up to the third order, is deduced for arbitrary initial density profiles of the electron and ion fluids in a cold nonrelativistic plasma. The…

Plasma Physics · Physics 2024-10-10 Subhasish Bag , Vikrant Saxena

We study a non-local evolution equation on the hyperbolic space $\mathbb{H}^N$. We first consider a model for particle transport governed by a non-local interaction kernel defined on the tangent bundle and invariant under the geodesic flow.…

Analysis of PDEs · Mathematics 2024-08-06 María del Mar González , Liviu I. Ignat , Dragoş Manea , Sergiu Moroianu

We analyze an inhomogeneous system of coupled reaction-diffusion equations representing the dynamics of gene expression during differentiation of nerve cells. The outcome of this developmental phase is the formation of distinct functional…

Analysis of PDEs · Mathematics 2014-08-28 Benoit Perthame , Cristobal Quiñinao , Jonathan Touboul

In homogenization theory, mathematical models at the macro level are constructed based on the solution of auxiliary cell problems at the micro level within a single periodicity cell. These problems are formulated using asymptotic expansions…

Numerical Analysis · Mathematics 2025-06-10 P. N. Vabishchevich

We consider an elliptic eigenvalue problem with a fast cellular flow of amplitude $A$, in a two-dimensional domain with $L^2$ cells. For fixed $A$, and $L \to \infty$, the problem homogenizes, and has been well studied. Also well studied is…

Analysis of PDEs · Mathematics 2015-03-19 Gautam Iyer , Tomasz Komorowski , Alexei Novikov , Lenya Ryzhik