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In this paper, we consider homogenization of the Landau-Lifshitz equation with a highly oscillatory material coefficient with period $\varepsilon$ modeling a ferromagnetic composite. We derive equations for the homogenized solution to the…

Analysis of PDEs · Mathematics 2020-12-24 Lena Leitenmaier , Olof Runborg

In this article, we conduct a study of integral operators defined in terms of non-convolution type kernels with singularities of various degrees. The operators that fall within our scope of research include fractional integrals, fractional…

Functional Analysis · Mathematics 2018-01-16 Lucas Chaffee , Jarod Hart , Lucas Oliveira

We analyze a homogenization limit for the linear wave equation of second order. The spatial operator is assumed to be of divergence form with an oscillatory coefficient matrix $a^\varepsilon$ that is periodic with characteristic length…

Analysis of PDEs · Mathematics 2014-01-31 Tomas Dohnal , Agnes Lamacz , Ben Schweizer

Homogenization of a scalar elliptic equation in a bounded domain with Neuman boundary condition is studied. Coefficients of the operator are oscillating over two different groups of variables with different small periods $\varepsilon$ and…

Analysis of PDEs · Mathematics 2015-12-22 Svetlana Pastukhova , Roman Tikhomirov

Chemical hypergraphs and their associated normalized Laplace operators are generalized and studied in the case where each vertex--hyperedge incidence has a real coefficient. We systematically study the effect of symmetries of a hypergraph…

Combinatorics · Mathematics 2021-04-15 Jürgen Jost , Raffaella Mulas

We are interested in the averaged behavior of interfaces moving in stationary ergodic environments, with oscillatory normal velocity which changes sign. This problem can be reformulated, using level sets, as the homogenization of a…

Analysis of PDEs · Mathematics 2014-04-02 A. Ciomaga , P. E. Souganidis , H. V. Tran

In this paper, by using the atomic decomposition theory of Hardy space and weak Hardy space, we discuss the boundedness of parameterized Littlewood-Paley operator with variable kernel on these spaces.

Classical Analysis and ODEs · Mathematics 2017-12-15 Bo Li

We consider the homogenization of monotone systems of viscous Hamilton-Jacobi equations with convex nonlinearities set in the stationary, ergodic setting. The primary focus of this paper is on collapsing systems which, as the microscopic…

Analysis of PDEs · Mathematics 2012-05-09 Benjamin J. Fehrman

This paper concerns the rigorous periodic homogenization for a weakly coupled electroelastic system of a nonlinear electrostatic equation with an elastic equation enriched with electrostriction. Such coupling is employed to describe…

Analysis of PDEs · Mathematics 2023-08-01 Thuyen Dang , Yuliya Gorb , Silvia Jimenez Bolanos

We introduce a new class of fully nonlinear integro-differential operators with possible nonsymmetric kernels, which includes the ones that arise from stochastic control problems with purely jump L\`evy processes. If the index of the…

Classical Analysis and ODEs · Mathematics 2010-11-01 Yong-Cheol Kim , Ki-Ahm Lee

In this article we present a novel method for studying the asymptotic behaviour, with order-sharp error estimates, of the resolvents of parameter-dependent operator families. The method is applied to the study of differential equations with…

Analysis of PDEs · Mathematics 2017-06-05 Shane Cooper , Marcus Waurick

In the paper we study nonlocal functionals whose kernels are homogeneous generalized functions. We also use such functionals to solve the Korteweg-de Vries , the nonlinear Schr\"odinger and the Davey-Stewartson equations.

High Energy Physics - Theory · Physics 2007-05-23 A. S. Fokas , I. M. Gelfand , M. V. Zyskin

Proving homogenization has been a subtle issue for geometric equations due to the discontinuity when the gradient vanishes. A sufficient condition for periodic homogenization using perturbed correctors is suggested in the literature [3] to…

Analysis of PDEs · Mathematics 2024-09-30 Jiwoong Jang

This paper addresses the periodic homogenization of quasilinear elliptic PDEs in a two-component domain with an interfacial thermal barrier. It introduces a periodic extension operator that ensures strong convergence of function sequences…

Analysis of PDEs · Mathematics 2026-01-21 Rodolfo E. Maza

We consider linear and obstacle problems driven by a nonlocal integral operator, for which nonlocal interactions are restricted to a ball of finite radius. These type of operators are used to model anomalous diffusion and, for a special…

Numerical Analysis · Mathematics 2018-04-30 Olena Burkovska , Max Gunzburger

We study the averaging behavior of nonlinear uniformly elliptic partial differential equations with random Dirichlet or Neumann boundary data oscillating on a small scale. Under conditions on the operator, the data and the random media…

Analysis of PDEs · Mathematics 2014-08-04 William M. Feldman , Inwon Kim , Panagiotis E. Souganidis

We study the curl-div-system with variable coefficients and a nonlocal homogenisation problem associated with it. Using, in part refining, techniques from nonlocal $H$-convergence for closed Hilbert complexes, we define the appropriate…

Analysis of PDEs · Mathematics 2020-08-24 Serge Nicaise , Marcus Waurick

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…

Analysis of PDEs · Mathematics 2013-01-31 David Gerard-Varet , Nader Masmoudi

In this paper we study some questions in connection with uniform rectifiability and the $L^2$ boundedness of Calderon-Zygmund operators. We show that uniform rectifiability can be characterized in terms of some new adimensional coefficients…

Classical Analysis and ODEs · Mathematics 2014-02-26 Xavier Tolsa

We deal with homogeneous Besov and Triebel-Lizorkin spaces in the setting of a doubling metric measure space in the presence of a non-negative self-adjoint operator whose heat kernel has Gaussian localization and the Markov property. The…

Classical Analysis and ODEs · Mathematics 2018-05-04 Athanasios G. Georgiadis , Gerard Kerkyacharian , George Kyriazis , Pencho Petrushev
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