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We study a nonlinear elliptic equation driven by the degenerate fractional p-Laplacian, with Dirichlet type condition and a jumping reaction, i.e., (p-1)-linear both at infinity and at zero but with different slopes crossing the principal…

Analysis of PDEs · Mathematics 2021-04-06 Silvia Frassu , Antonio Iannizzotto

We establish conditions ensuring either existence or blow-up of nonnegative solutions for the heat equation generated by the Dirichlet fractional Laplacian perturbed by negative potentials on bounded sets. The elaborated theory is supplied…

Functional Analysis · Mathematics 2016-05-18 Ali BenAmor , Tarek Kenzizi

In this paper we perform a refined blow up analysis of finite energy approximated solutions to a Nirenberg type problem on half spheres. The later consists of prescribing, under minimal boundary conditions, the scalar curvature to be a…

Analysis of PDEs · Mathematics 2022-09-13 Mohameden Ahmedou , Mohamed Ben Ayed

For the non-local space-time reaction-diffusion equation involving fractional $p$-Laplacian \begin{equation*} \begin{cases} \frac{\partial^{\alpha }u}{\partial t^{\alpha }}+(-\Delta)_{p}^{s} u=\mu u^{2}(1-kJ*u)-\gamma…

Analysis of PDEs · Mathematics 2022-12-06 Fei Gao , Hui Zhan

The large time behavior of nonnegative solutions to the reaction-diffusion equation $\partial_t u=-(-\Delta)^{\alpha/2}u - u^p,$ $(\alpha\in(0,2], p>1)$ posed on $\mathbb{R}^N$ and supplemented with an integrable initial condition is…

Analysis of PDEs · Mathematics 2008-12-31 Ahmad Fino , Grzegorz Karch

Time fractional parabolic problem for p-Laplacian with double singular Hardy-type potential is considered. Comparison principle and appriory estimates for the weak solutions are proved. Existence of global weak solutions and finite-time…

Analysis of PDEs · Mathematics 2026-03-17 Nikolai Kutev , Tsviatko Rangelov

We propose a new asymptotic expansion for the fractional $p$-Laplacian with precise computations of the errors. Our approximation is shown to hold in the whole range $p\in(1,\infty)$ and $s\in(0,1)$, with errors that do not degenerate as…

Analysis of PDEs · Mathematics 2023-03-09 Félix del Teso , María Medina , Pablo Ochoa

We study the $L^p$-convergence of Fourier expansions in terms of non-symmetric Heckman-Opdam polynomials of type $A_1$. Using kernel estimates and duality arguments, we prove that the partial sums converge in $ L^p([-\pi,\pi],dm_k)$ for…

Classical Analysis and ODEs · Mathematics 2026-01-14 Bechir Amri

In this article, we study the following fractional $p$-Laplacian equation with critical growth singular nonlinearity \begin{equation*} \quad (-\De_{p})^s u = \la u^{-q} + u^{\alpha}, u>0 \; \text{in}\; \Om,\quad u = 0 \; \mbox{in}\; \mb R^n…

Analysis of PDEs · Mathematics 2016-05-04 Tuhina Mukherjee , K. Sreenadh

We show that the fractional Laplacian can be viewed as a Dirichlet-to-Neumann map for a degenerate hyperbolic problem, namely, the wave equation with an additional diffusion term that blows up at time zero. A solution to this wave extension…

Analysis of PDEs · Mathematics 2015-04-24 Mikko Kemppainen , Peter Sjögren , José Luis Torrea

We investigate the existence of nonnegative solutions for a nonlinear problem involving the fractional p-Laplacian operator. The problem is set on a unbounded domain, and compactness issues have to be handled.

Analysis of PDEs · Mathematics 2014-04-23 Raquel Lehrer , Liliane A. Maia , Marco Squassina

In this paper, we consider blow-up of solutions to the Cauchy problem for the following fractional NLS, $$ \textnormal{i} \, \partial_t u=(-\Delta)^s u-|u|^{2 \sigma} u \quad \text{in} \,\, \R \times \R^N, $$ where $N \geq 2$, $1/2 <s<1$…

Analysis of PDEs · Mathematics 2024-07-09 Tianxiang Gou , Vicentiu D. Radulescu , Zhitao Zhang

In this paper, we investigate existence results for nonlinear nonlocal problems governed by an operator obtained as a superposition of fractional $p$-Laplacians, subject to Neumann boundary conditions. A spectral analysis of the main…

Analysis of PDEs · Mathematics 2025-12-16 Yergen Aikyn

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 this paper we study an elliptic variational problem regarding the $p$-fractional Laplacian in $\mathbb{R}^N$ on the basis of recent result \cite{Ha1}, which generalizes the nice work \cite{AT,AP,XZR1}, and then give some sufficient…

Analysis of PDEs · Mathematics 2023-07-26 Wei Chen , Qi Han , Guoping Zhan

In this paper, we study qualitative properties of the fractional $p$-Laplacian. Specifically, we establish a Hopf type lemma for positive weak super-solutions of the fractional $p-$Laplacian equation with Dirichlet condition. Moreover, an…

Analysis of PDEs · Mathematics 2018-05-17 Wenxiong Chen , Congming Li , Shijie Qi

This paper is concerned with the study of a nonlinear problems involving the fractional p(x)-Laplacian operator. By means of the Berkovits degree theory, we prove the existence of nontrivial weak solutions for this problem. The appropriate…

Analysis of PDEs · Mathematics 2019-12-25 Mustapha Ait Hammou

We study the parabolic fractional $p-$Laplace equation $$\p_t u+(-\Delta_p)^su = 0$$ in the degenerate range \(2 \leq p < 2/(1-s)\). We show that weak solutions are Lipschitz continuous in space and, if \(p > 1/(1-s)\), also in time. We…

Analysis of PDEs · Mathematics 2026-03-13 David Jesus , Aelson Sobral , José Miguel Urbano

In this paper, we present an approach to the fractional Dunkl Laplacian in a framework emerging from certain reflection symmetries in Euclidean spaces. Our main result is pointwise formulas, Bochner subordination, and an extension problem…

Analysis of PDEs · Mathematics 2021-10-18 F. Bouzeffour , W. Jedidi

In this paper we investivate bifurcation results for a class of problem in a smooth bounded domain involving the fractional p-Laplacian operator and with a nonlinearity that reaches the critical growth with respect to the fractional Sobolev…

Analysis of PDEs · Mathematics 2015-05-14 Kanishka Perera , Marco Squassina , Yang Yang