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Related papers: On doubly nonlocal fractional elliptic equations

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We investigate the qualitative properties of positive solutions to mixed local-nonlocal equations with indefinite nonlinearities, emphasizing the interaction between classical and fractional Laplacians. We first establish maximum principles…

Analysis of PDEs · Mathematics 2026-04-29 Pengyan Wang , Leyun Wu

The aim of this paper is to study a class of nonlocal fractional Laplacian equations depending on two real parameters. More precisely, by using an appropriate analytical context on fractional Sobolev spaces due to Servadei and Valdinoci, we…

Analysis of PDEs · Mathematics 2016-08-29 Giovanni Molica Bisci , Dušan Repovš

This work concerns with the existence of solutions for the following class of nonlocal elliptic problems \begin{eqnarray}\label{eq:0.1} &&\left\{\begin{array}{l} (-\Delta)^{s} u+u=|u|^{p-2} u \text { in } \Omega_{r} \\ u \geq 0 \quad \text…

Analysis of PDEs · Mathematics 2021-04-28 Xing Yi

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 investigate a class of quasi-linear nonlocal problems, including as a particular case semi-linear problems involving the fractional Laplacian and arising in the framework of continuum mechanics, phase transition phenomena, population…

Analysis of PDEs · Mathematics 2014-03-24 Antonio Iannizzotto , Shibo Liu , Kanishka Perera , Marco Squassina

We study the following nonlinear and nonlocal elliptic equation in~$\R^n$ $$ (-\Delta)^s u = \epsilon\,h\,u^q + u^p \ {\mbox{ in }}\R^n, $$ where~$s\in(0,1)$, $n>2s$, $\epsilon>0$ is a small parameter, $p=\frac{n+2s}{n-2s}$, $q\in(0,1)$,…

Analysis of PDEs · Mathematics 2016-03-23 Serena Dipierro , Maria Medina , Enrico Valdinoci

In this work, we establish the existence and multiplicity of weak solutions for nonlocal elliptic problems driven by the fractional $\Phi$-Laplacian operator, in the presence of a sign-indefinite nonlinearity. More specifically, we…

Analysis of PDEs · Mathematics 2025-07-22 L. R. S. de Assis , M. L. M. Carvalho , Edcarlos D. Silva , A. Salort

By means of variational methods we establish existence and multiplicity of solutions for a class of nonlinear nonlocal problems involving the fractional p-Laplacian and a combined Sobolev and Hardy nonlinearity at subcritical and critical…

Analysis of PDEs · Mathematics 2018-02-19 Wenjing Chen , Sunra Mosconi , Marco Squassina

In this paper, we consider the nonlocal elliptic problems in $\mathbb{R}^{N}$, which involve finite many critical exponents. By using endpoint refined Hardy--Sobolev inequality, fractional Coulomb--Sobolev space and variational method, we…

Analysis of PDEs · Mathematics 2018-05-29 Yu Su , Haibi Chen

By using a suitable topological argument based on cohomological linking and by exploiting a Trudinger-Moser inequality in fractional spaces recently obtained, we prove existence of multiple solutions for a problem involving the nonlinear…

Analysis of PDEs · Mathematics 2017-04-04 Kanishka Perera , Marco Squassina

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 paper we consider a boundary value problem involving a differential equation with the fractional Laplacian $(-\Delta)^{\alpha/2}$ for $\alpha \in\left( 1,2\right) $ and some superlinear and subcritical nonlinearity $G_{z}$ provided…

Analysis of PDEs · Mathematics 2016-01-22 Dorota Bors

We study a nonlinear, nonlocal Dirichlet problem driven by the degenerate fractional p-Laplacian via a combination of topological methods (degree theory for operators of monotone type) and variational methods (critical point theory). We…

Analysis of PDEs · Mathematics 2023-03-01 Antonio Iannizzotto

The purpose of this paper is to study the existence of (weak) periodic solutions for nonlocal fractional equations with periodic boundary conditions. These equations have a variational structure and, by applying a critical point result…

Analysis of PDEs · Mathematics 2016-12-28 Vincenzo Ambrosio , Giovanni Molica Bisci

We investigate the existence of two nontrivial solutions for a poly-Laplacian system involving concave-convex nonlinearities and parameters with Dirichlet boundary condition on locally finite graphs. By using the mountain pass theorem and…

Analysis of PDEs · Mathematics 2023-12-27 Ping Yang , Xingyong Zhang

In this paper we are concerned with the construction of periodic solutions of the nonlocal problem $(-\Delta)^s u= f(u)$ in $\mathbb{R}$, where $(-\Delta)^s$ stands for the $s$-Laplacian, $s\in (0,1)$. We introduce a suitable framework…

Analysis of PDEs · Mathematics 2018-09-03 B. Barrios , J. García-Melián , A. Quaas

In this article, we consider a combination of local and nonlocal Laplace equation with singular nonlinearities. For such mixed problems, we establish existence of at least one weak solution for a parameter dependent singular nonlinearity…

Analysis of PDEs · Mathematics 2023-04-28 Prashanta Garain

We prove results on solvability of nonlinear elliptic partial differential systems of principle type of second order. They are consequences of existence of non-radial solutions for nonlinear partial differential systems of Poisson type. As…

Analysis of PDEs · Mathematics 2013-07-02 Yifei Pan

We consider a kind of nonlinear systems on a locally finite graphs $G=(V,E)$. We prove via the mountain pass theorem that this kind of systems has a nontrivial ground state solution which depends on the parameter $\lambda$ with some…

Analysis of PDEs · Mathematics 2021-11-23 Jinyan Xu , Liang Zhao

We overview some recent existence and regularity results in the theory of nonlocal nonlinear problems driven by the fractional $p$-Laplacian.

Analysis of PDEs · Mathematics 2017-01-05 Sunra Mosconi , Marco Squassina