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Related papers: Nonlocal problems with Neumann boundary conditions

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We present explicit formulas for solutions to nonhomogeneous boundary value problems involving any positive power of the Laplacian in the half-space. For non-integer powers the operator becomes nonlocal and this requires a suitable…

Analysis of PDEs · Mathematics 2018-08-14 Nicola Abatangelo , Serena Dipierro , Mouhamed Moustapha Fall , Sven Jarohs , Alberto Saldaña

This paper deals with the homogenization of a mixed boundary value problem for the Laplace operator in a domain with locally periodic oscillating boundary. The Neumann condition is prescribed on the oscillating part of the boundary, and the…

Analysis of PDEs · Mathematics 2021-02-22 Srinivasan Aiyappan , Klas Pettersson

In this paper, we establish the well-posedness and large-time asymptotic behavior of viscosity solutions to singular/degenerate parabolic $p$-Laplacian equations with general capillary-type boundary conditions, including Neumann and…

Analysis of PDEs · Mathematics 2026-05-13 Zhenghuan Gao , Jin Yan , Yang Zhou

We present some comparison results for solutions to certain non local elliptic and parabolic problems that involve the fractional Laplacian operator and mixed boundary conditions, given by a zero Dirichlet datum on part of the complementary…

Analysis of PDEs · Mathematics 2017-08-30 Begoña Barrios , María Medina

We present a model for nonlocal diffusion with Neumann boundary conditions in a bounded smooth domain prescribing the flux through the boundary. We study the limit of this family of nonlocal diffusion operators when a rescaling parameter…

Analysis of PDEs · Mathematics 2007-05-23 C. Cortazar , M. Elgueta , J. D. Rossi , N. Wolanski

We adapt boundary deformation techniques to solve a Neumann problem for the Helmholtz equation with rough electric potentials in bounded domains. In particular, we study the dependance of Neumann eigenvalues of the perturbed Laplacian with…

Analysis of PDEs · Mathematics 2025-01-14 Manuel Cañizares

In this paper we consider 2D nonlocal diffusion models with a finite nonlocal horizon parameter $\delta$ characterizing the range of nonlocal interactions, and consider the treatment of Neumann-like boundary conditions that have proven…

Analysis of PDEs · Mathematics 2019-08-13 Huaiqian You , Xin Yang Lu , Nathaniel Trask , Yue Yu

When $P$ is the fractional Laplacian $(-\Delta )^a$, $0<a<1$, or a pseudodifferential generalization thereof, the Dirichlet problem for the associated heat equation over a smooth set $\Omega \subset{\Bbb R}^n$:…

Analysis of PDEs · Mathematics 2018-12-18 Gerd Grubb

In this work we study regularity properties of solutions to fractional elliptic problems with mixed Dirichlet-Neumann boundary data when dealing with the Spectral Fractional Laplacian.

Analysis of PDEs · Mathematics 2019-03-27 J. Carmona , E. Colorado , T. Leonori , A. Ortega

We show that the boundary behaviour of solutions to nonlocal fractional equations posed in bounded domains strongly differs from the one of solutions to elliptic problems modelled upon the Laplace-Poisson equation with zero boundary data.…

Analysis of PDEs · Mathematics 2019-11-19 Nicola Abatangelo , David Gómez-Castro , Juan Luis Vázquez

We investigate the realization of a myriad of general local and nonlocal inhomogeneous elliptic and parabolic boundary value problems over classes of irregular regions. We present a unified approach in which either local or nonlocal…

Analysis of PDEs · Mathematics 2026-02-10 Maria R. Lancia , Alejandro Vélez-Santiago

We study boundary regularity for solutions to a class of equations involving the so called regional fractional Lapacians $(-\Delta)^s_\Omega $, with $\Omega\subset \mathbb{R}^N$. Recall that the regional fractional Laplacians are generated…

Analysis of PDEs · Mathematics 2022-02-23 Mouhamed Moustapha Fall

We consider here a problem of population dynamics modeled on a logistic equation with both classical and nonlocal diffusion, possibly in combination with a pollination term. The environment considered is a niche with zero-flux, according to…

Analysis of PDEs · Mathematics 2021-01-08 Serena Dipierro , Edoardo Proietti Lippi , Enrico Valdinoci

In this article, we focus on a doubly nonlinear nonlocal parabolic initial boundary value problem driven by the fractional $p$-Laplacian equipped with homogeneous Dirichlet boundary conditions on a domain in $\mathbb{R}^{d}$ and composed…

Analysis of PDEs · Mathematics 2022-10-13 Timthy Collier , Daniel Hauer

In this paper, we consider the existence of solutions of the following nonhomogeneous fractional $p(x,.)$-Laplacian Dirichlet problem: \begin{equation*} \left\{\begin{aligned} \Big(-\Delta_{p(x,.)}\Big)^s u (x)&=f(x, u) &\text { in }&…

Analysis of PDEs · Mathematics 2024-06-27 Achraf El wazna , Azeddine Baalal

In this paper, we consider the asymptotic behavior of the nonlocal parabolic problem \[ u_{t}=\Delta u+\displaystyle\frac{\lambda f(u)}{\big(\int_{\Omega}f(u)dx\big)^{p}}, x\in \Omega, t>0, \] with homogeneous Dirichlet boundary condition,…

Analysis of PDEs · Mathematics 2008-10-15 Liu Qilin , Liang Fei , Li Yuxiang

We study Neumann type boundary value problems for nonlocal equations related to L\'evy processes. Since these equations are nonlocal, Neumann type problems can be obtained in many ways, depending on the kind of reflection we impose on the…

Analysis of PDEs · Mathematics 2011-12-05 Guy Barles , Emmanuel Chasseigne , Christine Georgelin , Espen Jakobsen

The first goal of this paper is to study necessary and sufficient conditions to obtain the attainability of the \textit{fractional Hardy inequality } $$\Lambda_{N}\equiv\Lambda_{N}(\Omega):=\inf_{\{\phi\in \mathbb{E}^s(\Omega, D), \phi\neq…

Analysis of PDEs · Mathematics 2017-09-26 Boumediene Abdellaoui , Ahmed Attar , Abdelrazek Dieb , Ireneo Peral

We investigate bubbling solutions for the nonlocal equation \[ A_\Omega^s u =u^p,\ u >0 \quad \mbox{in } \Omega, \] under homogeneous Dirichlet conditions, where $\Omega$ is a bounded and smooth domain. The operator $A_\Omega^s$ stands for…

Analysis of PDEs · Mathematics 2014-10-22 Juan Dávila , Luis López Ríos , Yannick Sire

We consider a broad class of systems of nonlinear integro-differential equations posed on the real line that arise as Euler-Lagrange equations to energies involving nonlinear nonlocal interactions. Although these equations are not readily…

Dynamical Systems · Mathematics 2018-09-24 Bente Bakker , Arnd Scheel