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The goal of this paper is to study some possibly degenerate elliptic equation in a bounded domain with a nonlinear boundary condition involving measure data. We investigate two types of problems: the first one deals with the laplacian in a…

Analysis of PDEs · Mathematics 2010-03-01 Thierry Gallouët , Yannick Sire

In this work we analyze the existence of solutions to the nonlinear elliptic system: \begin{equation*} \left\{ \begin{array}{rcll} -\Delta u & = & v^q+\a g & \text{in }\Omega , \\ -\Delta v& = &|\nabla u|^{p}+\l f &\text{in }\Omega , \\…

Analysis of PDEs · Mathematics 2017-09-12 Boumediene Abdellaoui , Ahmed Attar , El-Haj Laamri

In this paper, we establish the pointwise upper and lower bounds of the gradients of solutions to a class of elliptic systems, including linear systems of elasticity, in a general narrow region and in all dimensions. This problem arises…

Analysis of PDEs · Mathematics 2018-08-13 Hongjie Ju , Haigang Li , Longjuan Xu

This paper deals with elliptic equations in the plane with degeneracies. The equations are generated by a complex vector field that is elliptic everywhere except along a simple closed curve. Kernels for these equations are constructed.…

Analysis of PDEs · Mathematics 2009-10-06 Abdelhamid Meziani

We study the degenerate Garnier system which generalizes the fifth Painlev\'{e} equation. We present two classes of particular solutions, classical transcendental and algebraic ones. Their coalescence structure is also investigated.

Mathematical Physics · Physics 2007-05-23 Takao Suzuki

A parallelizable iterative procedure based on domain decomposition is presented and analyzed for weak Galerkin finite element methods for second order elliptic equations. The convergence analysis is established for the decomposition of the…

Numerical Analysis · Mathematics 2022-04-12 Chunmei Wang , Junping Wang , Shangyou Zhang

In this paper we propose a method of solving a Nonlinear Diophantine Equation by converting it into a System of Diophantine Linear Equations.

General Mathematics · Mathematics 2009-10-14 Florentin Smarandache

In this work we prove the existence of a classical positive solution for an elliptic equation with a sublinear term. We use Galerkin approximations to show existence of such solution on bounded domains in RN.

Analysis of PDEs · Mathematics 2015-09-04 Rafael dos Reis Abreu , Anderson Luis Albuquerque de Araujo

We develop regularity theory for degenerate elliptic equations with the degeneracy controlled by a weight. More precisely, we show local boundedness and continuity of weak solutions under the assumption of a weighted Orlicz-Sobolev and…

Analysis of PDEs · Mathematics 2025-09-16 Lyudmila Korobenko

The main result of the present paper is the construction of fundamental solutions for a class of multidimensional elliptic equations with several singular coefficients. These fundamental solutions are directly connected with multiple…

Analysis of PDEs · Mathematics 2018-05-11 Tuhtasin Ergashev

Recently found all the fundamental solutions of a multidimensional singular elliptic equation are expressed in terms of the well-known Lauricella hypergeometric function in many variables. In this paper, we find a unique solution of the…

Analysis of PDEs · Mathematics 2019-02-13 Tuhtasin Ergashev

We establish Holder continuity of weak solutions to degenerate critical elliptic equations of Caffarelli-Kohn-Nirenberg type.

Analysis of PDEs · Mathematics 2007-05-23 Veronica Felli , Matthias Schneider

This paper concerns elliptic systems of $p$-Laplace type with complex valued coefficient and source term. We extend the real valued theory of the elliptic $p$-Laplace equation to the complex valued case. We establish the existence and…

Analysis of PDEs · Mathematics 2025-03-25 Wontae Kim , Matias Vestberg

We prove $L_p$ estimates of solutions to a conormal derivative problem for divergence form complex-valued higher-order elliptic systems on a half space and on a Reifenberg flat domain. The leading coefficients are assumed to be merely…

Analysis of PDEs · Mathematics 2012-03-08 Hongjie Dong , Doyoon Kim

This paper is concerned with the structure of solutions to the elliptic problem for an Henon type equation with a forcing term. Under suitable assumptions on the forcing term, we give a complete classification of the existence/nonexistence…

Analysis of PDEs · Mathematics 2022-11-23 Kazuhiro Ishige , Sho Katayama

We give a quantization analysis to an elliptic system (Gelfand-Liouville type system) with Dirichlet condition. An application, we have a com-pactness result for an elliptic system with Lipschitz condition.

Analysis of PDEs · Mathematics 2015-05-22 Samy Skander Bahoura

In a previous article [N. Delice, F.W. Nijhoff and S. Yoo-Kong, J. Phys. A: Math. Theor. 48(3) (2015), 035206] a novel class of elliptic Lax pairs for integrable lattice equations was introduced. The present article proposes a…

Exactly Solvable and Integrable Systems · Physics 2016-05-04 Frank Nijhoff , Neslihan Delice

The aim of this paper is to study global bifurcations of non-constant solutions of some nonlinear elliptic systems, namely the system on a sphere and the Neumann problem on a ball. We study the bifurcation phenomenon from families of…

Analysis of PDEs · Mathematics 2021-07-02 Anna Gołębiewska , Joanna Kluczenko , Piotr Stefaniak

In the present paper we study the existence of solutions for some classes of singular systems involving the p(x) and q(x) Laplacian operators. The approach is based on bifurcation theory and subsupersolution method for systems of…

Analysis of PDEs · Mathematics 2017-02-22 Claudianor O. Alves , Abdelkrim Moussaoui , Leandro da S. Tavares

We show that the new result on H\"older continuity of solutions to a class of nondiagonal elliptic systems with $p$-growth in [2] can be used to improve the $L^q$ theory for such systems.

Analysis of PDEs · Mathematics 2016-06-17 Miroslav Bulíček , Martin Kalousek , Petr Kaplický , Václav Mácha