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In this paper, we mainly establish the existence and uniqueness theorem for solutions of the exterior Dirichlet problem for a class of fully nonlinear second-order elliptic equations related to the eigenvalues of the Hessian, with…

Analysis of PDEs · Mathematics 2020-05-08 Tangyu Jiang , Haigang Li , Xiaoliang Li

The aim of this paper is to find the numerical solutions of the second order linear and nonlinear differential equations with Dirichlet, Neumann and Robin boundary conditions. We use the Bernoulli polynomials as linear combination to the…

Numerical Analysis · Computer Science 2023-05-31 Md. Shafiqul Islam , Afroza Shirin

In the presented work, we solve the Dirichlet boundary problem for the Helmholtz equation in an exterior angle with periodic boundary data. We prove the existence and uniqueness of solution in an appropriate funcional class and we give an…

Analysis of PDEs · Mathematics 2022-08-30 A. Merzon , P. Zhevandrov , M. I. Romero Rodríguez , J. E. De la Paz Méndez

We prove the existence of classical solutions to the Dirichlet problem for a class of fully nonlinear elliptic equations of curvature type on Riemannian manifolds. We also derive new second derivative boundary estimates which allows us to…

Differential Geometry · Mathematics 2013-05-07 Jorge H. S. de Lira , Flávio F. Cruz

We investigate solvability of a continuous Dirichlet boundary value problem together with its classical discretization using a gobal diffeomorphism theorem.

Classical Analysis and ODEs · Mathematics 2017-11-29 Michał Bełdziński , Marek Galewski

In a recent paper we presented analytic expressions for the axis potential, the disk metric, and the surface mass density of the global solution to Einstein's field equations describing a rigidly rotating disk of dust. Here we add the…

General Relativity and Quantum Cosmology · Physics 2010-12-23 G. Neugebauer , R. Meinel

We establish existence and uniqueness of generalized solutions to the initial-boundary value problem corresponding to an Euler-Bernoulli beam model from mechanics. The governing partial differential equation is of order four and involves…

Functional Analysis · Mathematics 2008-12-11 Günther Hörmann , Ljubica Oparnica

Boundary value problems for second-order elliptic equations in divergence form, whose nonlinearity is governed by a convex function of non-necessarily power type, are considered. The global boundedness of their solutions is established…

Analysis of PDEs · Mathematics 2022-07-18 Giuseppina Barletta , Andrea Cianchi , Greta Marino

In this paper the simplest singular boundary problem of Dirichlet type for linear differential equation of the first order of general form is considered. The main result of this paper is criterion of correct solvability of above problem in…

Classical Analysis and ODEs · Mathematics 2007-05-23 N. Chernyavskaya , L. Shuster

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 obtain bounded for all $t$ solutions of ordinary differential equations as limits of the solutions of the corresponding Dirichlet problems on $(-L,L)$, with $L \rightarrow \infty$. We derive a priori estimates for the Dirichlet problems,…

Analysis of PDEs · Mathematics 2017-07-20 Philip Korman , Guanying Peng

We study solutions to the static vacuum Einstein equations on exterior domains with prescribed metric and mean curvature on the inner boundary. It is proved that for any such boundary data near the standard round boundary data in Euclidean…

General Relativity and Quantum Cosmology · Physics 2013-08-19 Michael T Anderson

We study second-order stochastic parabolic equations in a cylindrical domain with homogeneous Dirichlet boundary conditions. Under a natural compatibility condition on the gradient-type noise, we establish global Schauder estimates in…

Probability · Mathematics 2026-05-19 Kai Du

In many numerical implementations of the Cauchy formulation of Einstein's field equations one encounters artificial boundaries which raises the issue of specifying boundary conditions. Such conditions have to be chosen carefully. In…

General Relativity and Quantum Cosmology · Physics 2010-09-06 Oscar Reula , Olivier Sarbach

We consider variational problems with regular H{\"o}lderian weight or boundary singularity, and Dirichlet condition. We prove the boundedness of the volume of the solutions to these equations on analytic domains.

Analysis of PDEs · Mathematics 2023-08-02 Samy Skander Bahoura

Stationary, axially symmetric Brans-Dicke-Maxwell solutions are reexamined in the framework of the Brans-Dicke (BD) theory. We see that, employing a particular parametrization of the standard axially symmetric metric simplifies the…

General Relativity and Quantum Cosmology · Physics 2015-12-02 Pınar Kirezli , Özgür Delice

This is the second in a series of papers on the construction of explicit solutions to the stationary axisymmetric Einstein equations which can be interpreted as counter-rotating disks of dust. We discuss the class of solutions to the…

General Relativity and Quantum Cosmology · Physics 2011-07-19 Christian Klein

Here we describe a stationary cylindrically symmetric solution of Einstein's equation with matter consisting of a positive cosmological and rotating dust term. The solution approaches Einstein static universe solution.

General Relativity and Quantum Cosmology · Physics 2007-05-23 M. D. Iftime

This paper considers to the problems of diffraction of electromagnetic waves on a half-plane, which has a finite inclusion in the form of a Lipschitz curve. The diffraction problem formulated as boundary value problem for Helmholtz…

Mathematical Physics · Physics 2018-03-06 E. Lipachev

We study a parabolic initial-boundary-value problem for a system of two differential equations with two boundary conditions of different orders, the Dirichlet and Neumann ones. It occurs specifically in the heat-mass transfer theory. We…

Analysis of PDEs · Mathematics 2024-01-30 O. V. Diachenko , V. M. Los