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We consider the Dirichlet problem for the Beltrami equation in some simply connected domain. We consider the class of all homeomorphic solutions of such a problem with a normalization condition and set-theoretic constraints on their complex…

Complex Variables · Mathematics 2021-09-21 Oleksandr Dovhopiatyi , Evgeny Sevost'yanov

The goal of this paper is to exhibit and analyze an algorithm that takes a given closed orientable hyperbolic surface and outputs an explicit Dirichlet domain. The input is a fundamental polygon with side pairings. While grounded in…

Computational Geometry · Computer Science 2022-12-06 Vincent Despré , Benedikt Kolbe , Hugo Parlier , Monique Teillaud

We consider the Poisson equation with homogeneous Dirichlet conditions in a family of domains in $R^{n}$ indexed by a small parameter $\epsilon$. The domains depend on $\epsilon$ only within a ball of radius proportional to $\epsilon$ and,…

Analysis of PDEs · Mathematics 2025-08-01 Martin Costabel , Matteo Dalla Riva , Monique Dauge , Paolo Musolino

We consider a power-type mild singular perturbation of a Dirichlet semilinear critical problem settled in an open and bounded set in a Carnot group. Here, the term critical has to be understood in the sense of the Sobolev embedding. We aim…

Analysis of PDEs · Mathematics 2025-06-10 Stefano Biagi , Mattia Galeotti , Eugenio Vecchi

In this paper, we prove that there exists a unique solution to the Dirichlet boundary value problem for a general class of semilinear second order elliptic partial differential equations. Our approach is probabilistic. The theory of…

Probability · Mathematics 2012-11-19 Tusheng Zhang

We investigate the Dirichlet solution for a semianalytic continuous function on the boundary of a semianalytic bounded domain in the plane. We show that the germ of the Dirichlet solution at a boundary point with angle greater than 0 lies…

Logic · Mathematics 2008-07-21 Tobias Kaiser

An elliptic partial differential equation Lu=f with a zero Dirichlet boundary condition is converted to an equivalent elliptic equation on the unit ball. A spectral Galerkin method is applied to the reformulated problem, using multivariate…

Numerical Analysis · Mathematics 2011-06-20 Kendall Atkinson , David Chien , Olaf Hansen

We consider Perron solutions to the Dirichlet problem for the quasilinear elliptic equation $\mathop{\rm div}\mathcal{A}(x,\nabla u) = 0$ in a bounded open set $\Omega\subset\mathbf{R}^n$. The vector-valued function $\mathcal{A}$ satisfies…

Analysis of PDEs · Mathematics 2022-02-17 Anders Björn , Jana Björn , Abubakar Mwasa

In this article we consider a system of eikonal equations with a Dirichlet boundary condition. We propose a variational method to select the class of solutions which minimize the discontinuity set of the gradient.

Analysis of PDEs · Mathematics 2012-06-18 Gisella Croce , Giovanni Pisante

A common approach is present concerning the problem of Dirichlet, both for bounded 3D domains and their (unbounded) complements, regarding the fractional (3D) Poisson equation.

Mathematical Physics · Physics 2022-12-13 Toshko Boev , Georgi Georgiev

We solve the Kato square root problem for general elliptic operators and systems with measurable and complex coefficients on any domain of the Euclidean space. The operators are subject to Dirichlet boundary conditions. We also allow…

Analysis of PDEs · Mathematics 2020-03-23 Julan Bailey , El Maati Ouhabaz

This paper aims at proving the local boundedness and continuity of solutions of the heat equation in the context of Dirichlet spaces under some rather weak additional assumptions. We consider symmetric local regular Dirichlet forms which…

Analysis of PDEs · Mathematics 2020-11-16 Qi Hou , Laurent Saloff-Coste

We are concerned with the Dirichlet problem for a class of Hessian type equations. Applying some new methods we are able to establish the $C^2$ estimates for an approximating problem under essentially optimal structure conditions. Based on…

Analysis of PDEs · Mathematics 2016-05-06 Heming Jiao , Tingting Wang

In this paper, we study the Dirichlet problem of Hessian quotient equations in exterior domains. By estimating the eigenvalues of the solution, the necessary and sufficient conditions on existence of radial solutions are obtained. Applying…

Analysis of PDEs · Mathematics 2022-06-22 Limei Dai , Jiguang Bao , Bo Wang

For nonlinear operators of fractional $p$-Laplace type, we consider two types of solutions to the nonlocal Dirichlet problem: Sobolev solutions based on fractional Sobolev spaces and Perron solutions based on superharmonic functions. These…

Analysis of PDEs · Mathematics 2025-02-26 Anders Björn , Jana Björn , Minhyun Kim

A method of reducing the problem of the calculation of tree multiparticle cross sections in $\phi^4$ theory to the solution of a singular classical Euclidean boundary value problem is introduced. The solutions are obtained numerically in…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Bezrukov

In this paper, we study existence and uniqueness of solutions to Jenkins-Serrin type problems on domains in a Riemannian surface. In the case of unbounded domains, the study is focused on the hyperbolic plane.

Differential Geometry · Mathematics 2014-02-26 L. Mazet , M. M. Rodriguez , H. Rosenberg

In this paper we develop the Perron method for solving the Dirichlet problem for the analog of the p-Laplacian, i.e. for p-harmonic functions, with Mazurkiewicz boundary values. The setting considered here is that of metric spaces, where…

Metric Geometry · Mathematics 2015-09-09 Anders Bjorn , Jana Bjorn , Nageswari Shanmugalingam

Let $A \subset \mathbb{R} ^2 $ be a smooth doubly connected domain. We consider the Dirichlet energy $E(u)=\int_{A} |\nabla u|^2$, where $u:A \rightarrow \mathbb{C}$, and look for critical points of this energy with prescribed modulus…

Analysis of PDEs · Mathematics 2015-03-13 Laurent Hauswirth , Rémy Rodiac

We prove \emph{uniform solvability estimates} for certain families of elliptic problems posed in a bounded family of domains (for example, a sequence that converges to another domain). We provide uniform estimates both in weighted and in…

Analysis of PDEs · Mathematics 2024-07-09 Benoît Daniel , Simon Labrunie , Victor Nistor