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We initiate the study of fine $p$-(super)minimizers, associated with $p$-harmonic functions, on finely open sets in metric spaces, where $1 < p < \infty$. After having developed their basic theory, we obtain the $p$-fine continuity of the…

Analysis of PDEs · Mathematics 2023-10-06 Anders Björn , Jana Björn , Visa Latvala

We study the perturbation by a critical term and a $(p-1)$-superlinear subcritical nonlinearity of a quasilinear elliptic equation containing a singular potential. By means of variational arguments and a version of the…

Analysis of PDEs · Mathematics 2016-02-23 Matija Cencelj , Dušan Repovš , Žiga Virk

We study the monotonicity and one-dimensional symmetry of positive solutions to the problem $-\Delta_p u = f(u)$ in $\mathbb{R}^N_+$ under zero Dirichlet boundary condition, where $p>1$ and $f:(0,+\infty)\to\mathbb{R}$ is a locally…

Analysis of PDEs · Mathematics 2025-07-14 Phuong Le

We consider a quasi-variational inequality governed by a moving set. We employ the assumption that the movement of the set has a small Lipschitz constant. Under this requirement, we show that the quasi-variational inequality has a unique…

Optimization and Control · Mathematics 2019-09-09 Gerd Wachsmuth

In this paper we prove existence and multiplicity of positive and sign-changing solutions to the pure critical exponent problem for the $p$-Laplacian operator with Dirichlet boundary conditions on a bounded domain having nontrivial topology…

Analysis of PDEs · Mathematics 2013-01-23 Carlo Mercuri , Filomena Pacella

In this paper, we study the existence of a solution for a class of Dirichlet problems with a singularity and a convection term. Precisely, we consider the existence of a positive solution to the Dirichlet problem $$-\Delta_p u =…

Analysis of PDEs · Mathematics 2024-09-20 Anderson L. A. de Araujo , Hamilton P. Bueno , Kamila F. L. Madalena

By a combination of variational and topological techniques in the presence of invariant cones, we detect a new type of positive axially symmetric solutions of the Dirichlet problem for the elliptic equation $$ -\Delta u + u = a(x)|u|^{p-2}u…

Analysis of PDEs · Mathematics 2023-05-15 Alberto Boscaggin , Francesca Colasuonno , Benedetta Noris , Tobias Weth

This paper is dedicated to studying the existence of nontrivial positive solutions for a Kirchhoff-type problem with sign change nonlinearities and a singular term, Using the Nehari manifold and EkelandS variational principle we prove that…

Analysis of PDEs · Mathematics 2025-10-10 Djamel Abid

In this paper we prove the existence of multiple solutions for a quasilinear elliptic boundary value problem, when the p-derivative at zero and the p-derivative at infinity of the nonlinearity are greater than the first eigenvalue of the…

Analysis of PDEs · Mathematics 2016-07-15 Jorge Cossio , Sigifredo Herrón , Carlos Vélez

This paper is devoted to prove the existence of positive solutions of a second order differential equation with a nonhomogeneous Dirichlet conditions given by a parameter dependence integral. The studied problem is a nonlocal perturbation…

Classical Analysis and ODEs · Mathematics 2021-04-15 Alberto Cabada , Javier Iglesias

In this paper we consider a quasilinear singular anisotropic elliptic problem with a p-sublinear perturbation. We prove uniqueness of weak solutions and we provide necessary and sufficient conditions for the existence of weak solutions in…

Analysis of PDEs · Mathematics 2026-04-13 Francesco Esposito , Francescantonio Oliva , Eugenio Vecchi

Existence of two solutions to a parametric singular quasi-linear elliptic problem is proved. The equation is driven by the {\Phi}-Laplacian operator and the reaction term can be non-monotone. The main tools employed are a local minimum…

Analysis of PDEs · Mathematics 2022-07-01 Pasquale Candito , Umberto Guarnotta , Roberto Livrea

In the article we study the Dirichlet $(p,q)$-eigenvalue problem for subelliptic non-commutative operators on nilpotent Lie groups. We prove solvability of this eigenvalue problem and existence of the minimizer of the corresponding…

Analysis of PDEs · Mathematics 2021-10-15 Prashanta Garain , Alexander Ukhlov

In the present paper, we study the existence and uniqueness of solutions to some nonlocal singular elliptic problem under Dirichlet boundary condition. Problem is settled in Musielak-Sobolev spaces.

Analysis of PDEs · Mathematics 2024-02-07 Mustafa Avci

We establish the existence of loop type subcontinua of nonnegative solutions for a class of concave-convex type elliptic equations with indefinite weights, under Dirichlet and Neumann boundary conditions. Our approach depends on local and…

Analysis of PDEs · Mathematics 2024-01-22 Uriel Kaufmann , Humberto Ramos Quoirin , Kenichiro Umezu

We prove the existence and uniqueness of non-trivial stable solutions to Landau-Lifshitz-Maxwell equations with Dirichlet boundary condition for large anisotropies and small domains, where the domains are non-simply connected.

Analysis of PDEs · Mathematics 2007-05-23 Jian Zhai

This article sets forth results on the existence, positivity and boundedness of solutions for quasilinear elliptic systems involving p-Laplacian and q-Laplacian operators. The approach combines Schaefer's fixed point, comparison principle…

Analysis of PDEs · Mathematics 2019-08-05 Abdelkrim Moussaoui , Jean Vélin

In this short note, we consider the Dirichlet problem associated to an even order elliptic system with antisymmetric first order potential. Given any continuous boundary data, we show that weak solutions are continuous up to boundary.

Analysis of PDEs · Mathematics 2023-01-03 Ming-Lun Liu , Yao-Lan Tian

We consider positive singular solutions (i.e. with a non-removable singularity) of a system of PDEs driven by $p$-Laplacian operators and with the additional presence of a nonlinear first order term. By a careful use of a rather new version…

Analysis of PDEs · Mathematics 2022-03-31 Stefano Biagi , Francesco Esposito , Luigi Montoro , Eugenio Vecchi

We consider the Dirichlet problem u_t &= \Delta u + f(x, u, \nabla u)+ h(x, t),& \qquad &(x, t) \in \Omega \times (0, \infty), u &= 0, & \qquad &(x, t) \in \partial\Omega \times (0, \infty), on a bounded domain $\Omega \subset…

Analysis of PDEs · Mathematics 2013-11-28 Juraj Földes , Peter Poláčik