English
Related papers

Related papers: Dirichlet problems on graphs with ends

200 papers

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

We establish existence and uniqueness of compact graphs of constant mean curvature in MxR over bounded multiply connected domains of Mx{0} with boundary lying in two parallel horizontal slices of MxR

Differential Geometry · Mathematics 2015-06-23 Ari J. Aiolfi , Giovanni S. Nunes , Lisandra O. Sauer , Rodrigo B. Soares

This paper proposes a new analysis of graph using the concept of electric potential, and also proposes a graph simplification method based on this analysis. Suppose that each node in the weighted-graph has its respective potential value.…

Discrete Mathematics · Computer Science 2022-11-29 Jaeho Choi , Joongheon Kim

In this paper, the aim of our work is to establish global weighted gradient estimates via fractional maximal functions and the point-wise regularity estimates of Dirichlet problem for divergence elliptic equations of the type \begin{align*}…

Analysis of PDEs · Mathematics 2021-07-20 Minh-Phuong Tran , Thanh-Nhan Nguyen

We consider the Dirichlet problem on infinite and locally finite rooted trees, and we prove that the set of irregular points for continuous data has zero capacity. We also give some uniqueness results for solutions in Sobolev $ W^{1,p} $ of…

Classical Analysis and ODEs · Mathematics 2023-04-18 Nikolaos Chalmoukis , Matteo Levi

The main purpose of this paper is to address some questions concerning boundary value problems related to the Laplacian and bi-Laplacian operators, set in the framework of classical $H^s$ Sobolev spaces on a bounded Lipschitz domain of R^N.…

Analysis of PDEs · Mathematics 2023-06-06 Cherif Amrouche , Mohand Moussaoui

In this paper we prove existence of (viscosity) solutions of Dirichlet problems concerning fully nonlinear elliptic operator, which are either degenerate or singular when the gradient of the solution is zero. For this class of operators it…

Analysis of PDEs · Mathematics 2007-05-23 I. Birindelli , F. Demengel

In [18], fundamental solutions for the generalized bi-axially symmetric Helmholtz equation were constructed in $R_2^ + = \left\{ {\left( {x,y} \right):x > 0,y > 0} \right\}.$ They contain Kummer's confluent hypergeometric functions in three…

Mathematical Physics · Physics 2014-01-22 M. S. Salakhitdinov , Anvar Hasanov

In this paper, we study the solvability of the nonlinear Dirichlet problem with sum of the operators of independent non standard growths in a bounded domain $\Omega \subset \mathbb{R}^{n}$. We obtain sufficient conditions and show the…

Analysis of PDEs · Mathematics 2018-03-01 Uğur Sert , Kamal Soltanov

We study small perturbations of the Dirichlet problems for second order elliptic equations that degenerate on the boundary. The limit of the solution, as the perturbation tends to zero, is calculated. The result is based on a certain…

Analysis of PDEs · Mathematics 2021-07-01 Mark Freidlin , Leonid Koralov

We discuss Laplacians on graphs in a framework of regular Dirichlet forms. We focus on phenomena related to unboundedness of the Laplacians. This includes (failure of) essential selfadjointness, absence of essential spectrum and stochastic…

Functional Analysis · Mathematics 2011-01-18 Matthias Keller , Daniel Lenz

In the paper we study the 2D div-curl problem in the exterior domain which models the flow with given vorticity, divergency, boundary condition at infinity, and Dirichlet condition on the solid surface. We will find the relations on…

Analysis of PDEs · Mathematics 2025-12-02 Aleksei Gorshkov

We study a class of semilinear diffusion equations on infinite, connected, weighted graphs, focusing on two types of nonlinearities: monotone decreasing and Lipschitz continuous. Under minimal structural assumptions on the graph, we…

Analysis of PDEs · Mathematics 2026-05-15 Elvise Berchio , Davide Bianchi , Alberto G. Setti , Maria Vallarino

We give a fast, exact algorithm for solving Dirichlet problems with polynomial boundary functions on quadratic surfaces in R^n such as ellipsoids, elliptic cylinders, and paraboloids. To produce this algorithm, first we show that every…

Classical Analysis and ODEs · Mathematics 2007-05-23 Sheldon Axler , Pamela Gorkin , Karl Voss

This paper describes the application of the method of probabilistic solutions (MPS) to numerically solve the Dirichlet generalized and classical harmonic problems for irregular n sided pyramidal domains. Here, generalized means that the…

Numerical Analysis · Mathematics 2025-10-22 M. Zakradze , Z. Tabagari , N. Koblishvili , T. Davitashvili , J. M. Sanchez-Saez , F. , Criado-Aldeanueva

The article is devoted to questions concerning the problems of compactness of solutions of the Dirichlet problem for the Beltrami equation in some simply connected domain. In terms of prime ends, we have proved results of a detailed form…

Complex Variables · Mathematics 2021-05-21 O. Dovhopiatyi , E. Sevost'yanov

Based upon elements of the modern Pseudoanalytic Function Theory, we analyse a new method for numerically approaching the solution of the Dirichlet boundary value problem, corresponding to the two-dimensional Electrical Impedance Equation.…

Mathematical Physics · Physics 2012-02-23 M. P. Ramirez T. , C. M. A. Robles G. , R. A. Hernandez-Becerril

In this paper we will discuss the Dirichlet problem of nonlinear second order partial differential equations resolved with any derivatives. First, we transform it into generalized integral equations. Next, we discuss the existence of the…

General Mathematics · Mathematics 2024-05-23 Jianfeng Wang

In this work, first we prove that for any compact set $K\subset\mathbb{R}^{n}$ and any continuous function $\phi$ defined on $\partial K$, there exists a bounded weak solution in $C(\bar{\mathbb{R}^{n}\backslash K}) \cap…

Analysis of PDEs · Mathematics 2022-08-25 Leonardo Prange Bonorino , Lucas Pinto Dutra , Filipe Jung dos Santos

Extremal graph theory studies the maximum or minimum number of subgraphs isomorphic to a prescribed graph under given constraints. \textit{Localization} has recently emerged as a framework that refines such problems by assigning extremal…

Combinatorics · Mathematics 2026-03-10 Rajat Adak , L. Sunil Chandran