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We set up a general framework tailor-made to solve complement value problems governed by symmetric nonlinear integrodifferential $p$-L\'evy operators. A prototypical example of integrodifferential $p$-L\'evy operators is the well-known…

Analysis of PDEs · Mathematics 2025-02-20 Guy Foghem

The fractional Laplacian $(-\Delta)^{\alpha/2}$ is the prototypical non-local elliptic operator. While analytical theory has been advanced and understood for some time, there remain many open problems in the numerical analysis of the…

Numerical Analysis · Mathematics 2016-11-02 Yanghong Huang , Adam Oberman

Our work concerns the study of inverse problems of heat and wave equations involving the fractional Laplacian operator with zeroth order nonlinear perturbations. We recover nonlinear terms in the semilinear equations from the knowledge of…

Analysis of PDEs · Mathematics 2023-08-10 Pu-Zhao Kow , Shiqi Ma , Suman Kumar Sahoo

In this note we prove a new symmetrization result, in the form of mass concentration comparison, for solutions of nonlocal nonlinear Dirichlet problems involving fractional p Laplacians. Some regularity estimates of solutions will be…

Analysis of PDEs · Mathematics 2022-05-13 Vincenzo Ferone , Bruno Volzone

We study the existence of nonnegative solutions to the following nonlocal elliptic problem involving singularity \begin{align} \mathfrak{M}\left(\int_{Q}\frac{|u(x)-u(y)|^p}{|x-y|^{N+ps}}dxdy\right)(-\Delta)_{p}^{s}…

Analysis of PDEs · Mathematics 2024-06-18 Sekhar Ghosh , Debajyoti Choudhuri , Alessio Fiscella

In this paper we study the nonlinear Dirichlet problem involving p(x)-Laplacian (hemivariational inequality) with nonsmooth potential. By using nonsmooth critical point theory for locally Lipschitz functionals due to Chang and the…

Analysis of PDEs · Mathematics 2014-11-04 Sylwia Barnaś

We deal with the following nonlinear problem involving fractional $p\&q$ Laplacians: \begin{equation*} (-\Delta)^{s}_{p}u+(-\Delta)^{s}_{q}u+|u|^{p-2}u+|u|^{q-2}u=\lambda h(x) f(u)+|u|^{q^{*}_{s}-2}u \mbox{ in } \mathbb{R}^{N},…

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

In this work, we present a systematic approach to investigate the existence, multiplicity, and local gradient regularity of solutions for nonlocal quasilinear equations with local gradient degeneracy. Our method involves an interactive…

Analysis of PDEs · Mathematics 2023-07-27 Damião J. Araújo , Disson dos Prazeres , Erwin Topp

We study the higher-order fractional Schr\"odinger equation with local nonlinear perturbations and investigate both the forward and inverse problems. We establish both the Sobolev $H^s$ and H\"older $C^s$ estimates for the well-posedness of…

Analysis of PDEs · Mathematics 2025-11-10 Giovanni Covi , Ru-Yu Lai , Lili Yan

We establish existence, uniqueness as well as quantitative estimates for solutions to the fractional nonlinear diffusion equation, $\partial_t u +{\mathcal L}_{s,p} (u)=0$, where ${\mathcal L}_{s,p}=(-\Delta)_p^s$ is the standard fractional…

Analysis of PDEs · Mathematics 2021-05-24 Juan Luis Vázquez

The non-local problem is considered for the partial differential equation of mixed-type with Bessel operator and fractional order. An explicit solution is represented by Fourier-Bessel series in the given domain. It is established the…

Analysis of PDEs · Mathematics 2021-11-30 Bakhodirjon Toshtemirov

This article deals with the study of the following nonlinear doubly nonlocal equation: \begin{equation*} (-\Delta)^{s_1}_{p}u+\ba(-\Delta)^{s_2}_{q}u = \la a(x)|u|^{\delta-2}u+ b(x)|u|^{r-2} u,\; \text{ in }\; \Om, \; u=0 \text{ on }…

Analysis of PDEs · Mathematics 2019-02-04 Divya Goel , Deepak Kumar , K. Sreenadh

In this paper, we study the following Dirichlet problem for a parabolic equation involving fractional $p$-Laplacian with logarithmic nonlinearity \begin{equation*}\label{eq}\left\{ \begin{array}{llc}…

Analysis of PDEs · Mathematics 2020-06-22 Tahir Boudjeriou

In this paper, we deal with existence, uniqueness and exact rate of boundary behavior of blow-up solutions for a class of logistic type quasilinear problem in a smooth bounded domain involving the $p$-Laplacian operator, where the…

Analysis of PDEs · Mathematics 2015-03-19 Claudianor O. Alves , Carlos A. Santos , Jiazheng Zhou

The existence of positive strong solutions to a homogeneous Dirichlet $p$-Laplacian problem, with reaction sum of a both singular at zero and highly discontinuous nonlinearity and of a discontinuous convection term, is established. Locality…

Analysis of PDEs · Mathematics 2026-03-17 Umberto Guarnotta , Salvatore A. Marano

This article investigates the existence, nonexistence, and multiplicity of positive solutions to the sublinear fractional elliptic problem $(P_{\lambda}^s)$. We begin by establishing several a priori estimates that provide regularity…

Analysis of PDEs · Mathematics 2025-11-12 Jefferson Abrantes , Rohit Kumar , Abhishek Sarkar

We establish uniqueness results for quasilinear elliptic problems through the criterion recently provided in \cite{DFMST}. We apply it to generalized $p$-Laplacian subhomogeneous problems that may admit multiple nontrivial nonnegative…

Analysis of PDEs · Mathematics 2020-08-19 Humberto Ramos Quoirin

In this paper, we consider the nonlinear equation involving the fractional p-Laplacian with sign-changing potential. This model draws inspiration from De Giorgi Conjecture. There are two main results in this paper. Firstly, we obtain that…

Analysis of PDEs · Mathematics 2024-04-15 Yubo Duan , Yawei Wei

In the present work we study existence of sequences of variational eigenvalues to non-local non-standard growth problems ruled by the fractional $g-$Laplacian operator with different boundary conditions (Dirichlet, Neumann and Robin). Due…

Analysis of PDEs · Mathematics 2020-12-01 Sabri Bahrouni , Hichem Ounaies , Ariel Salort

We consider existence of periodic boundary value problems of nonlinear second order ordinary differential equations. Under certain half Lipschitzian type conditions several existence results are obtained. As applications positive periodic…

Classical Analysis and ODEs · Mathematics 2012-08-28 Yong Zhang