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We are concerned with the study of the existence and multiplicity of solutions for Dirichlet boundary value problems involving the (p(x), q(x))-equation and the nonlinearity is superlinear but does not satisfy the usual…

Analysis of PDEs · Mathematics 2021-05-03 Omar Benslimane , Ahmed Aberqi , Jaouad Bennouna

In this paper, we study the existence and multiplicity of weak solutions for a general class of elliptic equations (\mathscr{P}_{\lambda}) in a smooth bounded domain, driven by a nonlocal integrodifferential operator…

Analysis of PDEs · Mathematics 2020-04-02 Lauren Maria Mezzomo Bonaldo , Olimpio Hiroshi Miyagaki , Elard Juarez Hurtado

We study the existence, multiplicity and regularity results of weak solutions for the Dirichlet problem of a semi-linear elliptic equation driven by the mixture of the usual Laplacian and fractional Laplacian \begin{equation*} \left\{%…

Analysis of PDEs · Mathematics 2025-08-05 Fuwei Cheng , Xifeng Su , Jiwen Zhang

We consider a class of nonlinear Dirichlet problems involving the $p(x)$--Laplace operator. Our framework is based on the theory of Sobolev spaces with variable exponent and we establish the existence of a weak solution in such a space. The…

Analysis of PDEs · Mathematics 2007-05-23 Teodora Liliana Dinu

We study the question of the existence of infinitely many weak solutions for nonlocal equations of fractional Laplacian type with homogeneous Dirichlet boundary data, in presence of a superlinear term. Starting from the well-known…

Analysis of PDEs · Mathematics 2016-12-12 Giovanni Molica Bisci , Dušan Repovš , Raffaella Servadei

In the first part of the article, we give necessary and sufficient conditions for the solvability of a class of nonlinear elliptic boundary value problems with nonlinear boundary conditions involving the q-Laplace-Beltrami operator. In the…

Dynamical Systems · Mathematics 2011-05-20 Ciprian G. Gal , Mahamadi Warma

We consider an elliptic partial differential equation driven by higher order fractional Laplacian $(-\Delta)^{s}$, $s \in (1,2)$ with homogeneous Dirichlet boundary condition \begin{equation*} \left\{% \begin{array}{ll} (-\Delta)^{s}…

Analysis of PDEs · Mathematics 2025-05-08 Fuwei Cheng , Xifeng Su , Jiwen Zhang

We show the existence of a weak solution of a semilinear elliptic Dirichlet problem on an arbitrary open set. We make no assumptions about the open set, very mild regularity assumptions on the semilinearity, plus a coerciveness assumption…

Analysis of PDEs · Mathematics 2016-07-19 Reinhard Stahn

In this paper, we prove that there exists a unique weak solution to the mixed boundary value problem for a general class of semilinear second order elliptic partial differential equations with singular coefficients. Our approach is…

Probability · Mathematics 2011-12-15 Xue Yang , Tusheng Zhang

We investigate the existence and multiplicity of weak solutions for a nonlinear Kirchhoff type quasilinear elliptic system on the whole space $\mathbb{R}^N$. We assume that the nonlinear term satisfies the locally super-$(m_1,m_2)$…

Analysis of PDEs · Mathematics 2022-05-26 Cuiling Liu , Xingyong Zhang

In this paper, we investigate the existence of positive weak solutions to a nonlocal singular elliptic problem under Dirichlet boundary condition. Problem is settled in fractional Musielak-Sobolev spaces with variable order. The main tool…

Analysis of PDEs · Mathematics 2025-12-09 Azeddine Baalal , Mohamed Berghout , El-Houcine Ouali

The paper deals with the existence and uniqueness of a non-trivial solution to non-homogeneous $ p ( x ) -$laplacian equations, managed by non polynomial growth operator in the framework of variable exponent Sobolev spaces on Riemannian…

Analysis of PDEs · Mathematics 2020-06-09 Omar Benslimane , Ahmed Aberqi , Jaouad Bennouna

The purpose of this paper is to investigate the existence of three different weak solutions to a nonlinear elliptic problem that is governed by the weighted {\varphi}-Laplacian operator and subjected to Dirichlet boundary conditions. We…

Analysis of PDEs · Mathematics 2023-09-12 Abderrahmane Lakhdari , Nedra Belhaj Rhouma

We consider a nonlinear eigenvalue problem under Robin boundary conditions in a domain with (possibly noncompact) smooth boundary. The problem involves a weighted p-Laplacian operator and subcritical nonlinearities satisfying…

Analysis of PDEs · Mathematics 2013-05-10 Kanishka Perera , Patrizia Pucci , Csaba Varga

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…

Analysis of PDEs · Mathematics 2021-09-20 Oleksandr V. Hadzhy , Mykhailo V. Voitovych

We study the boundary value problem $-{\rm div}((|\nabla u|^{p\_1(x) -2}+|\nabla u|^{p\_2(x)-2})\nabla u)=f(x,u)$ in $\Omega$, $u=0$ on $\partial\Omega$, where $\Omega$ is a smooth bounded domain in $\RR^N$. We focus on the cases when…

Analysis of PDEs · Mathematics 2007-05-23 Teodora Liliana Dinu

This paper is devoted to establishing results for semilinear elliptic boundary value problems where the solvability of problems subject to {\it No Flux} boundary conditions follows from the solvability of related {\it Dirichlet} boundary…

Analysis of PDEs · Mathematics 2012-07-03 Loc Hoang Nguyen , Klaus Schmitt

We study a non-homogeneous boundary value problem in a smooth bounded domain in $\mathbb{R}^N$. We prove the existence of at least two nonnegative and non-trivial weak solutions. Our approach relies on Orlicz-Sobolev spaces theory combined…

Analysis of PDEs · Mathematics 2016-03-17 Mihai Mihăilescu , Dušan Repovš

In this paper, we prove the existence of infinitely many solutions for a class of quasilinear elliptic $m(x)$-polyharmonic Kirchhoff equations where the nonlinear function has a quasicritical growth at infinity and without assuming the…

Analysis of PDEs · Mathematics 2021-06-16 Mohamed Karim Hamdani , Abdellaziz Harrabi

In this paper we prove the~existence of two non-trivial weak solutions of Dirichlet boundary value problem for p-Laplacian problem with a~singular part and two disturbances satisfying the~proper assumptions. The~abstract existence result we…

Analysis of PDEs · Mathematics 2016-07-06 Piotr Kowalski , Joanna Piwnik
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