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We investigate the fractional magnetic $p$-Laplacian operator in the physical dimension case $N=3$, with $0<s<1<p$ and $sp<3$. Our goal is twofold. First, we define and study suitable functional settings for such operator proving…

Analysis of PDEs · Mathematics 2026-03-09 Laura Baldelli , Federico Bernini

In this paper we prove the existence and uniqueness of positive classical solution of the fractional Laplacian with singular nonlinearity in a smooth bounded domain with zero Drichlet boundary conditions. By the method of sub-supersolution,…

Analysis of PDEs · Mathematics 2014-03-14 Yanqin Fang

The aim of this paper is investigating the existence and multiplicity of weak solutions to non--local equations involving the {\em magnetic fractional Laplacian}, when the nonlinearity is subcritical and asymptotically linear at infinity.…

Analysis of PDEs · Mathematics 2023-12-08 Rossella Bartolo , Pietro d'Avenia , Giovanni Molica Bisci

This thesis aims to study nonlocal Lagrangians with a finite and an infinite number of degrees of freedom. We obtain an extension of Noether's theorem and Noether's identities for such Lagrangians. We then set up a Hamiltonian formalism for…

High Energy Physics - Theory · Physics 2023-04-24 Carlos Heredia

In this note we consider regularity theory for a fractional $p$-Laplace operator which arises in the complex interpolation of the Sobolev spaces, the $H^{s,p}$-Laplacian. We obtain the natural analogue to the classical $p$-Laplacian…

Analysis of PDEs · Mathematics 2016-10-25 Armin Schikorra , Tien-Tsan Shieh , Daniel Spector

A general modulus of continuity is quantified for locally bounded, local, weak solutions to nonlocal parabolic equations, under a minimal tail condition. H\"older modulus of continuity is then deduced under a slightly stronger tail…

Analysis of PDEs · Mathematics 2024-01-04 Naian Liao

We discuss recent advances in the theory of quasilinear equations of the type $ -\Delta_{p} u = \sigma u^{q} \; \; \text{in} \;\; \mathbb{R}^n, $ in the case $0<q< p-1$, where $\sigma$ is a nonnegative measurable function, or measure, for…

Analysis of PDEs · Mathematics 2020-11-10 Igor E. Verbitsky

We study a quite general family of nonlinear evolution equations of diffusive type with nonlocal effects. More precisely, we study porous medium equations with a fractional Laplacian pressure, and the problem is posed on a bounded space…

Analysis of PDEs · Mathematics 2017-08-03 Quoc-Hung Nguyen , Juan Luis Vázquez

We provide sharp boundary regularity estimates for solutions to elliptic equations driven by an integro-differential operator obtained as the sum of a Laplacian with a nonlocal operator generalizing a fractional Laplacian. Our approach…

Analysis of PDEs · Mathematics 2025-12-10 Nicola Abatangelo , Elisa Affili , Matteo Cozzi

A second-order regularity theory is developed for solutions to a class of quasilinear elliptic equations in divergence form, including the $p$-Laplace equation, with merely square-integrable right-hand side. Our results amount to the…

Analysis of PDEs · Mathematics 2018-05-23 Andrea Cianchi , Vladimir Maz'ya

In this article, we investigate the existence, uniqueness, nonexistence, and regularity of weak solutions to the nonlinear fractional elliptic problem of type $(P)$ (see below) involving singular nonlinearity and singular weights in smooth…

Analysis of PDEs · Mathematics 2020-09-25 Rakesh Arora , Jacques Giacomoni , Guillaume Warnault

This article provides a brief review of recent developments on two nonlocal operators: fractional Laplacian and fractional time derivative. We start by accounting for several applications of these operators in imaging science, geophysics,…

Optimization and Control · Mathematics 2021-06-28 Harbir Antil , Thomas S. Brown , Ratna Khatri , Akwum Onwunta , Deepanshu Verma , Mahamadi Warma

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

We begin the paper with a Hopf's lemma for a fractional p-Laplacian problem on a half-space. Specifically speaking, we show that the derivative of the solution along the outward normal vector is strictly positive on the boundary of the…

Analysis of PDEs · Mathematics 2017-11-09 Lingyu Jin , Yan Li

We study local boundedness and H\"older continuity of a parabolic equation involving the fractional $p$-Laplacian of order $s$, with $0<s<1$, $2\leq p < \infty$, with a general right hand side. We focus on obtaining precise H\"older…

Analysis of PDEs · Mathematics 2023-01-23 Alireza Tavakoli

We study the existence of nontrivial solutions for a nonlinear fractional elliptic equation in presence of logarithmic and critical exponential nonlinearities. This problem extends [5] to fractional $N/s$-Laplacian equations with…

Analysis of PDEs · Mathematics 2021-05-25 Yuanyuan Zhang , Yang Yang

In this work we wish to highlight some consequences of a recent result proved in [N. D. Cong and H. T. Tuan, Generation of nonlocal fractional dynamical systems by fractional differential equations, J. Integral Equations Appl. 29 (2017),…

Classical Analysis and ODEs · Mathematics 2021-07-13 Rui A. C. Ferreira

In this paper we consider Sobolev inequalities associated with singular problems for the fractional $p$-Laplacian operator in a bounded domain of $\mathbb{R}^{N}$, $N\geq 2$.

Analysis of PDEs · Mathematics 2018-08-14 Grey Ercole , Gilberto de Assis Pereira

This article is dedicated to the proof of the existence of classical solutions for a class of non-linear integral variational problems. Those problems are involved in nonlocal image and signal processing.

Analysis of PDEs · Mathematics 2010-03-09 Luis Caffarelli , Chi Hin Chan , Alexis Vasseur

This study investigates Dirichlet boundary condition related to a class of nonlinear parabolic problem with nonnegative $L^1$-data, which has a variable-order fractional $p$-Laplacian operator. The existence and uniqueness of renormalized…

Analysis of PDEs · Mathematics 2025-01-09 Sixuan Liu , Gang Dong , Hui Bi , Boying Wu