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In this paper, we show some results about the existence and the uniqueness of the positive solution for a $p$-Laplacian fractional differential equations with fractional derivative boundary condition. Our results are based on…

Classical Analysis and ODEs · Mathematics 2019-08-13 Faouzi Haddouchi

We mainly investigate the continuous dependence on parameters of nontrivial solutions for a generalized poly-Laplacian system on the weighted finite graph $G=(V, E)$. We firstly present an existence result of mountain pass type nontrivial…

Analysis of PDEs · Mathematics 2024-06-27 Xiaoyu Wang , Junping Xie , Xingyong Zhang , Xin Ou

In this paper we study a nonlocal critical growth elliptic problem driven by the fractional Laplacian in presence of jumping nonlinearities. In the main results of the paper we prove the existence of a nontrivial solution for the problem…

Analysis of PDEs · Mathematics 2026-03-12 Giovanni Molica Bisci , Kanishka Perera , Raffaella Servadei , Caterina Sportelli

In this paper we study the Sobolev Trace Theorem for variable exponent spaces with critical exponents. We find conditions on the best constant in order to guaranty the existence of extremals. Then we give local conditions on the exponents…

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

In this paper, we consider an elliptic problem driven by a mixed local-nonlocal operator with drift and subject to nonlocal Neumann condition. We prove the existence and uniqueness of a solution $u\in W^{2,p}(\Omega)$ of the considered…

Analysis of PDEs · Mathematics 2025-01-03 Craig Cowan , Mohammad El Smaily , Pierre Aime Feulefack

We establish the existence and uniqueness of the solution to the Dirichlet problem for the variable exponent $p$-Laplacian on a bounded, smooth domain $\Omega \subset {\mathbb R}^n$, where the boundary datum belongs to $W^{1,p}(\Omega)$.…

Analysis of PDEs · Mathematics 2023-10-26 M. A. Khamsi , Osvaldo Mendez

We present existence and nonexistence results on the solution of an overdetermined problem for the normalized p-Laplacian in a bounded open set, with p ranging from 1 to infinity. More precisely we consider a non-constant Neumann condition…

Analysis of PDEs · Mathematics 2024-03-06 Lucio Cadeddu , Antonio Greco , Benyam Mebrate

In this paper, we are interested in studying the existence or non-existence of solutions for a class of elliptic problems involving the $N$-Laplacian operator in the whole space. The nonlinearity considered involves critical Trudinger-Moser…

Analysis of PDEs · Mathematics 2020-09-09 Anderson L. A. de Araujo , Luiz F. O. Faria

We study the following elliptic problem $-A(u) = \lambda u^q$ with Dirichlet boundary conditions, where $A(u) (x) = \Delta u (x) \chi_{D_1} (x)+ \Delta_p u(x) \chi_{D_2}(x)$ is the Laplacian in one part of the domain, $D_1$, and the…

Analysis of PDEs · Mathematics 2017-03-10 Alexis Molino , Julio D. Rossi

In this paper we study second order non-linear periodic systems driven by the ordinary vector $p$-Laplacian with a non-smooth, locally Lipschitz potential function. Our approach is variational and it is based on the non-smooth critical…

Analysis of PDEs · Mathematics 2007-05-23 Evgenia H Papageorgiou , Nikolaos S Papageorgiou

We discuss the existence of solutions of nonlinear problem involving,two critical Sobolev exponents. we will ll out the su cient conditions to nd solutions for the problem in presence of a nonlinear Neumann boundary data with a critical…

Analysis of PDEs · Mathematics 2014-01-21 Rejeb Hadiji , Habib Yazidi

By virtue of a suitable approximation argument, we prove a Pohozaev identity for nonlinear nonlocal problems on $\mathbb{R}^N$ involving the fractional $p-$Laplacian operator. Furthermore we provide an application of the identity to show…

Analysis of PDEs · Mathematics 2017-01-31 Lorenzo Brasco , Sunra Mosconi , Marco Squassina

In this paper, we show the existence of a nontrivial weak solution for a nonlinear problem involving the fractional $p$-Laplacian operator and a Berestycki-Lions type nonlinearity. This solution satisfies a Pohozaev identity. Moreover, we…

Analysis of PDEs · Mathematics 2024-04-05 Vincenzo Ambrosio

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

Differential Geometry · Mathematics 2022-04-21 A. Aberqi , J. Bennouna , O. Benslimane , M. A. Ragusa

Our purpose is to find positive solutions $u \in D^{1,2}(\rz^N)$ of the semilinear elliptic problem $-\laplace u - \lambda V(x) u = h(x) u^{p-1}$ for $2<p$. The functions $V$ and $h$ may have an indefinite sign and the linearized operator…

Analysis of PDEs · Mathematics 2007-05-23 Matthias Schneider

We study a critical problem for an operator of mixed order obtained by the superposition of a Laplacian with a fractional Laplacian. In particular, we investigate the corresponding Sobolev inequality, detecting the optimal constant, which…

Analysis of PDEs · Mathematics 2025-04-18 Stefano Biagi , Serena Dipierro , Enrico Valdinoci , Eugenio Vecchi

Using the theory of fixed point index, we discuss existence, non-existence, localization and multiplicity of positive solutions for a $(p_1,p_2)$-Laplacian system with nonlinear Robin and/or Dirichlet type boundary conditions. We give an…

Classical Analysis and ODEs · Mathematics 2015-05-25 Filomena Cianciaruso , Paolamaria Pietramala

The aim of this work is to prove existence and uniqueness results for a doubly nonlinear elliptic problem that is essential for solving the associated parabolic problem using Rothe's method (discretizing time). We work under very weak…

Analysis of PDEs · Mathematics 2025-07-01 Bogdan Maxim

We study a Dirichlet problem driven by the (degenerate or singular) fractional $p$-Laplacian and involving a $(p-1)$-superlinear reaction at infinity, not necessarily satisfying the Ambrosetti-Rabinowitz condition. Using critical point…

Analysis of PDEs · Mathematics 2024-11-18 Antonio Iannizzotto , Vasile Staicu , Vincenzo Vespri

We prove the existence and uniqueness of the complexified Nonlinear Poisson-Boltzmann Equation (nPBE) in a bounded domain in $\mathbb{R}^3$. The nPBE is a model equation in nonlinear electrostatics. The standard convex optimization argument…

Analysis of PDEs · Mathematics 2021-06-11 Brian Choi , Jie Xu , Trevor Norton , Mark Kon , Julio E. Castrillon-Candas