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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

In the paper, we derive an existence result for a nonlinear nonautonomous partial elliptic system on an open bounded domain with Dirichlet boundary conditions, containg fractional powers of the weak Dirichlet-Laplace operator that are meant…

Analysis of PDEs · Mathematics 2019-01-01 Dariusz Idczak

We prove the existence of a weak solution to the problem \begin{equation*} \begin{split} -\Delta_{p}u+V(x)|u|^{p-2}u & =f(u,|\nabla u|^{p-2}\nabla u), \ \ \ \\ u(x) & >0\ \ \forall x\in\mathbb{R}^{N}, \end{split} \end{equation*} where…

Analysis of PDEs · Mathematics 2023-06-22 Shilpa Gupta , Gaurav Dwivedi

In this paper, we investigate the existence of a "weak solutions" for a Neumann problems of $p(x)$-Laplacian-like operators, originated from a capillary phenomena, of the following form \begin{equation*}…

Analysis of PDEs · Mathematics 2021-12-14 Mohamed El Ouaarabi , Chakir Allalou , Said Melliani

We investigate a class of elliptic and parabolic partial differential equations driven by p(u) laplacian. This dependence necessitates the use of variable exponent Sobolev spaces specifically tailored to the anisotropic framework. For the…

Analysis of PDEs · Mathematics 2025-10-17 Kaushik Bal , Shilpa Gupta

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 prove the existence of solutions for a class of quasilinear problems involving variable exponents and with nonlinearity having critical growth. The main tool used is the variational method, more precisely, Ekeland's Variational Principle…

Analysis of PDEs · Mathematics 2013-12-12 Claudianor O. Alves , Marcelo C. Ferreira

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

In the present paper, we study a singular double phase variable exponent Dirichlet problem in the setting of a new Musielak-Orlicz Sobolev space with the nonlinearity (the external source) having gradient dependence (so-called convection…

Analysis of PDEs · Mathematics 2026-02-26 Mustafa Avci

We prove the existence of at least three solutions for a weighted $p$-Laplacian operator involving Dirichlet boundary condition in a weighted Sobolev space. The main tool we use here is a three solution theorem in reflexive Banach spaces…

Analysis of PDEs · Mathematics 2022-09-20 Rohit Kumar , Abhishek Sarkar

We study a class of nonlinear elliptic problems with Dirichlet conditions in the framework of the Sobolev anisotropic spaces with variable exponent, involving an anisotropic operator on an unbounded domain $\Omega\subset \>I\!\!R^{N}\>(N…

Analysis of PDEs · Mathematics 2020-08-10 A. Aberqi , B. Aharrouch , J. Bennouna

In this paper, we are interested in studying the multiplicity, uniqueness, and nonexistence of solutions for a class of singular elliptic eigenvalue problem for the Dirichlet fractional $(p,q)$-Laplacian. The nonlinearity considered…

Analysis of PDEs · Mathematics 2023-06-26 A. L. A. de Araujo , Aldo H. S. Medeiros

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, using Mountain Pass Lemma and Linking Argument, we prove the existence of nontrivial weak solutions for the Dirichlet problem for the superlinear equation of Caffarelli-Kohn-Nirenberg type in the case where the parameter…

Analysis of PDEs · Mathematics 2007-05-23 Benjin Xuan

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 prove the existence of a weak solution for the Dirichlet boundary value problem related to the $p(x)-$Laplacian $$ -\mbox{div}(|\nabla u|^{p(x)-2}\nabla u)+u\in -[\underline{g}(x,u),\overline{g}(x,u)], $$ by using the…

Analysis of PDEs · Mathematics 2019-11-05 Mustapha Ait Hammou

In this paper we study the nonlinear Dirichlet problem involving p(x)-Laplacian (hemivariational inequality) with nonsmooth potential. By using nonsmooth critical point theory for locally Lipschitz functionals due to Chang and the…

Analysis of PDEs · Mathematics 2014-11-04 Sylwia Barnaś

In this paper we study sufficient local conditions for the existence of non-trivial solution to a critical equation for the $p(x)-$Laplacian where the critical term is placed as a source through the boundary of the domain. The proof relies…

Analysis of PDEs · Mathematics 2013-01-15 Julian Fernandez Bonder , Nicolas Saintier , Analia Silva

We establish the existence of an entire solution for a class of stationary Schr\"{o}dinger equations with subcritical discontinuous nonlinearity and lower bounded potential that blows-up at infinity. The abstract framework is related to…

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

We consider a non-local boundary value problem for the Laplace equation in unbounded studding the weak and strong solvability of that problem in the framework of the weighted Sobolev space $W^{1,p}_\nu$, with a Muckenhoupt weight. We proved…

Analysis of PDEs · Mathematics 2025-12-10 Bilal T. Bilalov , Natavan P. Nasibova , Lubomira G. Softova , Salvatore Tramontano