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We study the Dirichlet problem for a class of curvature equations arising from conformal geometry on Riemannian manifolds $(M^n, g)$ with boundary where $n \geq 3$. We prove there exists a unique solution using the continuity method which…

偏微分方程分析 · 数学 2018-02-06 Weisong Dong

We propose an alternative condition for the solvability of the Dirichlet problem for the minimal surface equation that applies to non-mean convex domains. We introduce a structural condition, obtained from a second-order ordinary…

偏微分方程分析 · 数学 2026-02-27 Ari J. Aiolfi , Giovanni da Silva Nunes , Jaime Ripoll , Lisandra Sauer , Rodrigo Soares

We establish the existence of hypersurfaces with constant mean curvature and a prescribed boundary in Euclidean space, represented as radial graphs over domains of the unit sphere. Under the assumptions that the mean curvature of the…

微分几何 · 数学 2025-07-25 Flávio Cruz , José T. Cruz , Jocel Oliveira

We prove existence results for Dirichlet boundary value problems for equations of the type \begin{align*} \left( \Phi(k(t) x'(t) ) \right)' = f(t, x(t) , x'(t) ) \qquad \text{for a.e. } t \in I:=[0,T] , \end{align*} where $\Phi : J \to…

经典分析与常微分方程 · 数学 2025-12-30 Francesca Anceschi , Cristina Marcelli , Francesca Papalini

In this paper, we develop a series of boundary pointwise regularity for Dirichlet problems and oblique derivative problems. As applications, we give direct and simple proofs of the higher regularity of the free boundaries in obstacle-type…

偏微分方程分析 · 数学 2022-04-26 Yuanyuan Lian , Kai Zhang

Utilizing a weight matrix we study surfaces of prescribed weighted mean curvature which yield a natural generalisation to critical points of anisotropic surface energies. We first derive a differential equation for the normal of immersions…

微分几何 · 数学 2007-11-16 Matthias Bergner , Jens Dittrich

We study whether the solutions of a fully nonlinear, uniformly parabolic equation with superquadratic growth in the gradient satisfy initial and homogeneous boundary conditions in the classical sense, a problem we refer to as the classical…

偏微分方程分析 · 数学 2017-10-31 Alexander Quaas , Andrei Rodríguez

We present a method of solving a nonlinear Dirichlet problem with discontinuous boundary data and we give a probabilistic representation of the solution using the nonlocal branching process associated with the nonlinear term of the…

概率论 · 数学 2024-10-23 Lucian Beznea , Oana Lupascu-Stamate , Alexandra Teodor

In this paper we prove that in a three-manifold with finitely many expansive ends, such that each end has a neighborhood where the curvature is bounded above by a negative constant, the Dirichlet problem at infinity is solvable, and hence…

微分几何 · 数学 2024-07-11 Jean C. Cortissoz , Ramón Urquijo Novella

We study whether the solutions of a parabolic equation with diffusion given by the fractional Laplacian and a dominating gradient term satisfy Dirichlet boundary data in the classical sense or in the generalized sense of viscosity…

偏微分方程分析 · 数学 2018-05-21 Alexander Quaas , Andrei Rodríguez

This article studies the Dirichlet problem for a class of degenerate fully nonlinear elliptic equations on Riemannian manifolds with \textit{mean concave} boundary in the sense that the mean curvature of the boundary is…

偏微分方程分析 · 数学 2020-06-16 Rirong Yuan

We consider the Dirichlet problem for quasilinear elliptic equations with Musielak-Orlicz (p,q)-growth and non-logarithmic conditions on the coefficients. A sufficient Wiener-type condition for the regularity of a boundary point is…

偏微分方程分析 · 数学 2021-09-20 Oleksandr V. Hadzhy , Mykhailo V. Voitovych

Using direct variational method we consider the existence of non-spurious solutions to the following Dirichlet problem $\ddot{x}\left( t\right) =f\left( t,x\left( t\right) \right) $, $x\left( 0\right) =x\left( 1\right) =0 $ where $f:\left[…

经典分析与常微分方程 · 数学 2015-03-09 Marek Galewski , Ewa Schmeidel

If a variational problem comes with no boundary conditions prescribed beforehand, and yet these arise as a consequence of the variation process itself, we speak of a free boundary values variational problem. Such is, for instance, the…

微分几何 · 数学 2017-03-14 Giovanni Moreno , Monika Ewa Stypa

We consider the sharp interface limit of the Allen-Cahn equation with Dirichlet or dynamic boundary conditions and give a varifold characterization of its limit which is formally a mean curvature flow with Dirichlet or dynamic boundary…

偏微分方程分析 · 数学 2020-12-29 Yoshikazu Giga , Fumihiko Onoue , Keisuke Takasao

It is developed the theory of the boundary behavior of homeomorphic solutions of the Beltrami equations ${\bar{\partial}}f=\mu\,{\partial}f$ of the Sobolev class $W^{1,1}_{\rm loc}$ with respect to prime ends of domains. On this basis,…

复变函数 · 数学 2015-03-31 Denis Kovtonyuk , Igor' Petkov , Vladimir Ryazanov

Let (M,g) be a smooth compact, n dimensional Riemannian manifold,with smooth n-1 dimensional boundary. We prove that the stable critical points of the mean curvature of the boundary generates solutions for a singularly perturbed elliptic…

偏微分方程分析 · 数学 2015-12-08 Marco G. Ghimenti , Anna Maria Micheletti

In this paper, we investigate the problem of finding minimal graphs in $M^n\times\mathbb R$ with general boundary conditions using a variational approach. We look at so called generalized solutions of the Dirichlet Problem that minimize a…

微分几何 · 数学 2013-11-18 Matthew McGonagle , Ling Xiao

We study the continuity/discontinuity of the effective boundary condition for periodic homogenization of oscillating Dirichlet data for nonlinear divergence form equations and linear systems. For linear systems we show continuity, for…

偏微分方程分析 · 数学 2019-10-30 William M. Feldman , Yuming Paul Zhang

We study a class of boundary value problems with $\varphi$-Laplacian (e.g., the prescribed mean curvature equation, in which $\varphi(s)=\frac{s}{\sqrt{1+s^2}}$) \begin{center} $-\left(\varphi(u')\right)'=\lambda f(u)\; \text{ on }(-L,…

经典分析与常微分方程 · 数学 2015-01-14 Hongjing Pan , Ruixiang Xing