English
Related papers

Related papers: Solving a Dirichlet problem for unbounded domains …

200 papers

Our purpose in this paper is to provide a self contained account of the inhomogeneous Dirichlet problem $\Delta_\infty u=f(x,u)$ where $u$ takes a prescribed continuous data on the boundary of bounded domains. We employ a combination of…

Analysis of PDEs · Mathematics 2011-06-29 Tilak Bhattacharya , Ahmed Mohammed

This monograph presents a comprehensive treatment of second order divergence form elliptic operators with bounded measurable t-independent coefficients in spaces of fractional smoothness, in Besov and weighted Sobolev classes. We establish…

Analysis of PDEs · Mathematics 2013-09-24 Ariel Barton , Svitlana Mayboroda

The Dirichlet problem in arbitrary domains for a wide class of anisotropic elliptic equations of the second order with variable exponent nonlinearities and the right-hand side as a measure is considered. The existence of an entropy solution…

Analysis of PDEs · Mathematics 2018-08-30 L. M. Kozhevnikova

We consider the Dirichlet problem on general, possibly nonsmooth bounded domain, for elliptic linear equation with uniformly elliptic divergence form operator. We investigate carefully the relationship between weak, soft and the…

Analysis of PDEs · Mathematics 2019-10-10 Tomasz Klimsiak

In this paper, we use probabilistic approach to prove that there exists a unique weak solution to the Dirichlet boundary value problem for second order elliptic equations whose coefficients are signed measures, and we will give a…

Probability · Mathematics 2018-04-06 Saisai Yang , Tusheng Zhang

We show that there is generically non-uniqueness for the anisotropic Calder\'on problem at fixed frequency when the Dirichlet and Neumann data are measured on disjoint sets of the boundary of a given domain. More precisely, we first show…

Analysis of PDEs · Mathematics 2017-06-28 Thierry Daudé , Niky Kamran , Francois Nicoleau

In this paper we investigate elliptic partial differential equations on Lipschitz domains in the plane whose coefficient matrices have small (but possibly nonzero) imaginary parts and depend only on one of the two coordinates. We show that…

Analysis of PDEs · Mathematics 2009-11-19 Ariel Barton

We obtain sharp convergence rates, using Dirichlet correctors, for solutions of wave equations in a bounded domain with rapidly oscillating periodic coefficients. The results are used to prove the exact boundary controllability that is…

Analysis of PDEs · Mathematics 2022-05-17 Fanghua Lin , Zhongwei Shen

We consider an overdetermined fourth order boundary value problem in which the boundary value of the Laplacian of the solution is prescribed, in addition to the homogeneous Dirichlet boundary condition. It is known that, in the case where…

Analysis of PDEs · Mathematics 2021-09-02 Yuya Okamoto , Michiaki Onodera

A system of segregated boundary-domain integral equations (BDIEs) is obtained from the Dirichlet problem for the diffusion equation in non-homogeneous media defined on an exterior two-dimensional domain. We use a parametrix different from…

Analysis of PDEs · Mathematics 2020-11-23 Carlos Fresneda-Portillo , Zenebe W. Woldemicheal

Let Omega be a bounded, simply connected domain with boundary of class C^{1,1} except at finitely many points S_j where the boundary is locally a corner of aperture alpha_j<=pi/2. Improving on results of Grisvard, we show that the solution…

Analysis of PDEs · Mathematics 2013-10-22 Francesco Di Plinio , Roger Temam

Several approaches are discussed how to understand the solution of the Dirichlet problem for the Poisson equation when the Dirichlet data are non-smooth such as if they are in $L^2$ only. For the method of transposition (sometimes called…

Numerical Analysis · Mathematics 2015-05-07 Thomas Apel , Serge Nicaise , Johannes Pfefferer

We study the homogeneous Dirichlet problem for the doubly nonlinear equation $u_t = \Delta_p u^m$, where $p>1,\ m>0$ posed in a bounded domain in $\mathbb{R}^N$ with homogeneous boundary conditions and with non-negative and integrable data.…

Analysis of PDEs · Mathematics 2012-06-08 Diana Stan , Juan Luis Vazquez

We consider a semilinear elliptic equation with Dirichlet boundary conditions in a smooth, possibly unbounded, domain. Under suitable assumptions, we deduce a condition on the size of the domain that implies the existence of a positive…

Analysis of PDEs · Mathematics 2014-02-21 Christos Sourdis

This work considers properties of the Neumann-to-Dirichlet map for the conductivity equation under the assumption that the conductivity is identically one close to the boundary of the examined smooth, bounded and simply connected domain. It…

Analysis of PDEs · Mathematics 2012-04-03 Nuutti Hyvönen , Petteri Piiroinen , Otto Seiskari

We study the Dirichlet problem for a class of fractional $p$-Laplacian operators of order $s \in (0,1)$ defined through the Riesz fractional gradient, which differs fundamentally from the standard fractional $p$-Laplacian. Our analysis…

Analysis of PDEs · Mathematics 2026-03-06 Juan Pablo Borthagaray , Leandro M. Del Pezzo , José Camilo Rueda Niño

We study the Dirichlet problem for the semi--linear partial differential equations ${\rm div}\,(A\nabla u)=f(u)$ in simply connected domains $D$ of the complex plane $\mathbb C$ with continuous boundary data. We prove the existence of the…

Complex Variables · Mathematics 2019-04-09 Vladimir Gutlyanskii , Olga Nesmelova , Vladimir Ryazanov

We develop the Perron-Wiener-Brelot method of solving the Dirichlet problem at the Martin boundary of a fine domain in $\RR^n$ ($n\ge2$).

Analysis of PDEs · Mathematics 2015-01-05 Mohamed El Kadiri , Bent Fuglede

In this paper, we revisit the nonoverlapping domain decomposition methods for solving elliptic problems with high contrast coefficients. Some interesting results are discovered. We find that the Dirichlet-Neumann algorithm and Robin-Robin…

Numerical Analysis · Mathematics 2022-12-26 Xuyang Na , Xuejun Xu

Let $\Omega$ be a sufficiently regular bounded open connected subset of $\mathbb{R}^n$ such that $0 \in \Omega$ and that $\mathbb{R}^n \setminus \mathrm{cl}\Omega$ is connected. Then we take $(q_{11},\dots, q_{nn})\in ]0,+\infty[^n$ and $p…

Analysis of PDEs · Mathematics 2013-07-08 Paolo Musolino