English
Related papers

Related papers: On Critical Kirchhoff problems driven by the fract…

200 papers

We derive the existence of solutions for an asymptotically linear equation driven by the spectral fractional Laplacian operator with mixed Dirichlet-Neumann boundary conditions. When the nonlinear term $f$ is odd and a suitable relation…

Analysis of PDEs · Mathematics 2026-03-09 Giovanni Molica Bisci , Alejandro Ortega , Luca Vilasi

In this paper, we investigate Harnack estimates for weak solutions to the following nonlocal equation: $$ \partial_t u = \Delta^{\alpha/2} u + b \cdot \nabla u + f, $$ where $\Delta^{\alpha/2}$ denotes the fractional Laplacian, $b$ is a…

Analysis of PDEs · Mathematics 2025-11-18 Zhen-Qing Chen , Xicheng Zhang

It is established the existence and multiplicity of weak solutions for a class of nonlocal equations involving the fractional laplacian, nonlinearities with critical exponential growth and potentials this is which may change sign. The…

Analysis of PDEs · Mathematics 2014-11-19 Manassés de Souza , Yane Lisley Araújo

The article is devoted to the dynamics of systems with an anomalous scaling near a critical point. The fractional stochastic equation of a Lanvevin type with the $\varphi^3$ nonlinearity is considered. By analogy with the model A the field…

Statistical Mechanics · Physics 2015-06-05 L. A. Batalov , A. A. Batalova

In this note we introduce some nonlinear extremal nonlocal operators that approximate the, so called, truncated Laplacians. For these operators we construct representation formulas that lead to the construction of what, with an abuse of…

Analysis of PDEs · Mathematics 2021-04-26 Isabeau Birindelli , Giulio Galise , Erwin Topp

In this paper, we consider a fractional p-Laplacian system of equations in the entire space RN with doubly critical singular nonlinearities involving a local critical Sobolev term together with a nonlocal Choquard critical term; the problem…

Analysis of PDEs · Mathematics 2024-12-16 Ronaldo B. Assunção , Olímpio H. Miyagaki , Rafaella F. S. Siqueira

Starting from the approach to the Laplacian with respect to coupling measures and undirected weighted graphs, we provide a setting for a general point of view for a Kirchhoff type divergence and a Laplace operators built on the trivial…

Functional Analysis · Mathematics 2020-10-07 Hugo Aimar , Ivana Gómez

The objective of this paper is twofold. First, we conduct a careful study of various functional inequalities involving the fractional Laplacian operators, including nonlocal Sobolev-Poincar\'e, Nash, Super Poincar\'e and logarithmic Sobolev…

Analysis of PDEs · Mathematics 2024-03-22 Nikolaos Roidos , Yuanzhen Shao

We prove existence and multiplicity results for a $N$-Laplacian problem with a critical exponential nonlinearity that is a natural analog of the Brezis-Nirenberg problem for the borderline case of the Sobolev inequality. This extends…

Analysis of PDEs · Mathematics 2016-01-05 Yang Yang , Kanishka Perera

This work is devoted to the study of the existence of at least one weak solution to nonlocal equations involving a general integro-differential operator of fractional type. As a special case, we derive an existence theorem for the…

Analysis of PDEs · Mathematics 2020-04-22 Giovanni Molica Bisci , Dušan D. Repovš

This paper deals with a class of nonlocal variable $s(.)$-order fractional $p(.)$-Kirchhoff type equations: \begin{eqnarray*} \left\{ \begin{array}{ll}…

Analysis of PDEs · Mathematics 2023-08-17 Mostafa Allaoui , Mohamed Karim Hamdani , Lamine Mbarki

We show how nonlocal boundary conditions of Robin type can be encoded in the pointwise expression of the fractional operator. Notably, the fractional Laplacian of functions satisfying homogeneous nonlocal Neumann conditions can be expressed…

Analysis of PDEs · Mathematics 2018-04-06 Nicola Abatangelo

In this paper we consider the following class of fractional Kirchhoff equations with critical growth: \begin{equation*} \left\{ \begin{array}{ll}…

Analysis of PDEs · Mathematics 2019-06-07 Vincenzo Ambrosio

The purpose of this paper is to study the existence of solutions for semilinear elliptic system driven by fractional Laplacian and establish some new existence results which are obtained by virtue of the local linking theorem and the saddle…

Analysis of PDEs · Mathematics 2020-10-13 Debangana Mukherjee , Debopriya Mukherjee

We consider nonlinear elliptic problems involving a nonlocal operator: the square root of the Laplacian in a bounded domain with zero Dirichlet boundary conditions. For positive solutions to problems with power nonlinearities, we establish…

Analysis of PDEs · Mathematics 2009-05-11 Xavier Cabre , Jinggang Tan

We study a fractional $p$-Laplace equation involving a variable exponent singular nonlinearity in the framework of the Heisenberg group. We first establish the existence and regularity of weak solutions. In the case of a constant singular…

Analysis of PDEs · Mathematics 2025-08-28 Prashanta Garain

In this paper, we first define a discrete version of the fractional Laplace operator $(-\Delta)^{s}$ through the heat semigroup on a stochastically complete, connected, locally finite graph $G = (V, E, \mu, w)$. Secondly, we define the…

Analysis of PDEs · Mathematics 2025-06-10 Mengjie Zhang , Yong Lin , Yunyan Yang

We prove the existence of infinitely many nontrivial weak periodic solutions for a class of fractional Kirchhoff problems driven by a relativistic Schr\"odinger operator with periodic boundary conditions and involving different types of…

Analysis of PDEs · Mathematics 2019-07-02 Vincenzo Ambrosio

We study a nonlinear elliptic boundary value problem defined on a smooth bounded domain involving the fractional Laplace operator, a concave-convex powers term together with mixed Dirichlet-Neumann boundary conditions.

Analysis of PDEs · Mathematics 2020-09-01 J. Carmona , E. Colorado , T. Leonori , A. Ortega

It is established $L^{p}$ estimates for the fractional $\Phi$-Laplacian operator defined in bounded domains where the nonlinearity is subcritical or critical in a suitable sense. Furthermore, using some fine estimates together with the…

Analysis of PDEs · Mathematics 2021-11-11 M. L. Carvalho , E. D. Silva , J. C. de Albuquerque , S. Bahrouni