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We prove fractional Sobolev-Poincar\'e inequalities, capacitary versions of fractional Poincar\'e inequalities, and pointwise and localized fractional Hardy inequalities in a metric space equipped with a doubling measure. Our results…

Classical Analysis and ODEs · Mathematics 2021-08-17 Bartłomiej Dyda , Juha Lehrbäck , Antti V. Vähäkangas

In this article, our main concern is to study the existence of bound and ground state solutions for the following fractional system of Schr\"{o}dinger equations with Hardy potentials: \begin{equation*} \left\{ \begin{aligned}…

Analysis of PDEs · Mathematics 2025-08-29 Rohit Kumar , Tuhina Mukherjee , Abhishek Sarkar

In this paper, we deal with the existence and multiplicity of solutions for the fractional elliptic problems involving critical and supercritical Sobolev exponent via variational arguments. By means of the truncation combining with the…

Analysis of PDEs · Mathematics 2014-04-30 Jinguo Zhang

The aim of the present paper is to study existence results of minimizers of the critical fractional Sobolev constant on bounded domains. Under some values of the fractional parameter we show that the best constant is achieved. If moreover…

Analysis of PDEs · Mathematics 2022-02-22 Mouhamed Moustapha Fall , Remi Yvant Temgoua

We investigate the existence, multiplicity and concentration of nontrivial solutions for the following fractional magnetic Kirchhoff equation with critical growth: \begin{equation*} \left(a\varepsilon^{2s}+b\varepsilon^{4s-3}…

Analysis of PDEs · Mathematics 2019-07-24 Vincenzo Ambrosio

We are concerned with the existence of ground states for nonlinear Choquard equations involving a critical nonlinearity in the sense of Hardy-Littlewood-Sobolev. Our result complements previous results by Moroz and Van Schaftingen where the…

Analysis of PDEs · Mathematics 2016-11-10 Daniele Cassani , Jianjun Zhang

We study the existence/nonexistence and qualitative properties of the positive solutions to the problem \begin{align*} (-\Delta)^s u -\theta\frac{u}{|x|^{2s}}&=u^p - u^q \quad\text{in }\,\, \mathbb{R}^N,\quad u > 0 \quad\text{in }\,\,…

Analysis of PDEs · Mathematics 2021-10-28 Mousomi Bhakta , Debdip Ganguly , Luigi Montoro

We consider the following fractional Schr\"{o}dinger equation involving critical exponent: \begin{equation*} \left\{\begin{array}{ll} (-\Delta)^s u+V(|y'|,y'')u=u^{2^*_s-1} \ \hbox{ in } \ \mathbb{R}^N, \\ u>0, \ y \in \mathbb{R}^N,…

Analysis of PDEs · Mathematics 2019-04-18 Yuxia Guo , Ting Liu , Jianjun Nie

In this paper, we study the effect of Hardy potential on the existence or non-existence of solutions to a fractional Laplacian problem involving a singular nonlinearity. Also, we mention a stability result.

Analysis of PDEs · Mathematics 2023-05-22 Masoud Bayrami-Aminlouee , Mahmoud Hesaaraki , Mohamed Karim Hamdani , Nguyen Thanh Chung

In this paper, we give a full classification of the nonexistence of positive weak solutions to the semilinear elliptic inequality involving the fractional Hardy potential in punctured and in exterior domains. Our methods are self-contained…

Analysis of PDEs · Mathematics 2023-03-07 Huyuan Chen , Ying Wang , Hichem Hajaiej

In this article, we deal with the following $p$-fractional Schr\"{o}dinger-Kirchhoff equations with electromagnetic fields and the Hardy-Littlewood-Sobolev nonlinearity: $$ M\left([u]_{s,A}^{p}\right)(-\Delta)_{p, A}^{s} u+V(x)|u|^{p-2}…

Analysis of PDEs · Mathematics 2024-01-12 Min Zhao , Yueqiang Song , Dušan D. Repovš

The existence of a positive solution to the following fractional semilinear equation is proven, in a situation where a ground state solution may not exist. More precisely, we consider for $0<s<1$ the equation $$ (-\Delta)^s u +…

Analysis of PDEs · Mathematics 2014-08-12 Gilles Evéquoz , Mouhamed Moustapha Fall

We deal with the following fractional Schr\"odinger-Poisson equation with magnetic field \begin{equation} \varepsilon^{2s}(-\Delta)_{A/\varepsilon}^{s}u+V(x)u+\varepsilon^{-2t}(|x|^{2t-3}*|u|^{2})u=f(|u|^{2})u+|u|^{2^{*}_{s}-2}u \quad…

Analysis of PDEs · Mathematics 2018-11-27 Vincenzo Ambrosio

We investigate the existence and multiplicity of positive solutions to the following problem driven by the superposition of the Laplacian and the fractional Laplacian with Hardy potential \begin{equation*} \left\{ \begin{aligned} -\Delta u…

Analysis of PDEs · Mathematics 2025-10-07 Shammi Malhotra , Sarika Goyal , K. Sreenadh

We study linear and non-linear equations related to the fractional Hardy--Sobolev inequality. We prove nondegeneracy of ground state solutions to the basic equation and investigate existence and qualitative properties, including symmetry of…

Analysis of PDEs · Mathematics 2020-08-26 Roberta Musina , Alexander I. Nazarov

We study the Cauchy problem for the nonlinear Schr\"{o}dinger equation characterized by contrasting effects between the concentration at the origin of a critical Hardy potential and the intrinsic nonlocality of a Choquard nonlinearity. We…

Analysis of PDEs · Mathematics 2026-04-07 Phuoc-Tai Nguyen , Tuan Dat Tran

In this paper, we study the asymptotic behavior of radial extremal functions to an inequality involving Hardy potential and critical Sobolev exponent. Based on the asymptotic behavior at the origin and the infinity, we shall deduce a strict…

Analysis of PDEs · Mathematics 2007-05-23 Benjin Xuan , Jiangchao Wang

We study a class of minimization problems for a nonlocal operator involving an external magnetic potential. The notions are physically justified and consistent with the case of absence of magnetic fields. Existence of solutions is obtained…

Analysis of PDEs · Mathematics 2016-11-10 Pietro d'Avenia , Marco Squassina

We analyze the existence and multiplicity of positive solutions to a nonlocal elliptic problem involving the spectral fractional Laplace operator endowed with homogeneous mixed Dirichlet-Neumann boundary conditions and weighted critical…

Analysis of PDEs · Mathematics 2024-12-17 Alejandro Ortega , Luca Vilasi , Youjun Wang

In this paper, we obtain the existence of weak solutions to the Choquard-Kirchhoff type critical multiphase problem: \begin{equation*} \left\{\begin{array}{cc} &-M(\varphi_{\h}(\lvert{\nabla u}\rvert))div(\lvert{\nabla…

Analysis of PDEs · Mathematics 2025-01-08 Anupma Arora , Gaurav Dwivedi