中文
相关论文

相关论文: Fractional heat equation involving Hardy-Leray Pot…

200 篇论文

In this paper we study the influence of the Hardy potential in the fractional heat equation. In particular, we consider the problem $$(P_\theta)\quad \left\{ \begin{array}{rcl} u_t+(-\Delta)^{s} u&=&\l\dfrac{\,u}{|x|^{2s}}+\theta u^p+ c…

偏微分方程分析 · 数学 2015-10-14 Boumediene Abdellaoui , María Medina , Ireneo Peral , Ana Primo

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 }\,\,…

偏微分方程分析 · 数学 2021-10-28 Mousomi Bhakta , Debdip Ganguly , Luigi Montoro

In this work we study the existence of positive solution to the fractional quasilinear problem, $$ \left\{ \begin{array}{rcll} (-\Delta )^s u &=&\lambda \dfrac{u}{|x|^{2s}}+ |\nabla u|^{p}+ \mu f &\inn \Omega,\\ u&>&0 & \inn\Omega,\\ u&=&0…

偏微分方程分析 · 数学 2020-02-07 Boumediene Abdellaoui , Ireneo Peral , Ana Primo , Fernando Soria

We study an inhomogeneous semilinear heat inequality on the unit sphere \(\mathbb S^N\), \(N\ge3\), in an exterior geodesic domain associated with a fixed pole. The equation involves the singular Hardy-type potential \(\lambda/\sin^2 r\),…

偏微分方程分析 · 数学 2026-05-12 Mohamed Jleli , Bessem Samet

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…

偏微分方程分析 · 数学 2026-03-17 Nikolai Kutev , Tsviatko Rangelov

In this paper, we obtain necessary conditions and sufficient conditions on the initial data for the local-in-time solvability of the Cauchy problem \[ \partial_t u +(-\Delta)^\frac{\theta}{2} u=|x|^{-\gamma} u^p ,\quad x\in{\bf R}^N, t>0,…

偏微分方程分析 · 数学 2021-02-09 Kotaro Hisa , Mikołaj Sierżęga

We study the existence of nontrivial nonlocal nonnegative solutions $u(x,t)$ of the nonlinear initial value problems \[ (\partial_t -\Delta)^\alpha u\geq u^\lambda \quad \text{in } \mathbb{R}^n \times\mathbb{R},\,n\geq 1 \] \[ u=0…

偏微分方程分析 · 数学 2020-05-14 Steven D. Taliaferro

The purpose of this work is to analyze the wellposedness and the blow-up of solutions of the higher-order parabolic semilinear equation \[ u_t+(-\Delta)^{d}u=|x|^{\alpha}|u|^{p}+\zeta(t){\mathbf w}(x) \ \quad\mbox{for }…

偏微分方程分析 · 数学 2022-11-28 Mohamed Majdoub

This paper investigates the critical behavior of global solutions to a parabolic equation with a Hartree-type nonlinearity of the form $$\left\{\begin{array}{ll} u_{t}+(-\Delta)^{\frac{\beta}{2}} u= (\mathcal{K}\ast |u|^{p})|u|^{q},&\qquad…

偏微分方程分析 · 数学 2025-10-14 Ahmad Z. Fino , Berikbol T. Torebek

In this paper, we study the existence and multiplicity of solutions for the following fractional problem involving the Hardy potential and concave-convex nonlinearities: $$({-}{ \Delta})^{\frac{\alpha}{2}}u- \gamma \frac{u}{|x|^{\alpha}}=…

偏微分方程分析 · 数学 2020-02-25 Shaya Shakerian

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…

偏微分方程分析 · 数学 2025-10-07 Shammi Malhotra , Sarika Goyal , K. Sreenadh

This paper investigates the (fractional) heat equation with a nonlocal nonlinearity involving a Riesz potential: \begin{equation*} u_{t}+(-\Delta)^{\frac{\beta}{2}} u= I_\alpha(|u|^{p}),\qquad x\in \mathbb{R}^n,\,\,\,t>0, \end{equation*}…

偏微分方程分析 · 数学 2026-03-05 Ahmad Z. Fino , Berikbol T. Torebek

We study Cauchy problem for the Hardy-H\'enon parabolic equation with an inverse square potential, namely, \[\partial_tu -\Delta u+a|x|^{-2} u= |x|^{\gamma} F_{\alpha}(u),\] where $a\ge-(\frac{d-2}{2})^2,$ $\gamma\in \mathbb R$, $\alpha>1$…

偏微分方程分析 · 数学 2026-04-29 Divyang G. Bhimani , Saikatul Haque , Masahiro Ikeda

In this work, we are interested on the study of the Fujita exponent and the meaning of the blow-up for the Fractional Cauchy problem with the Hardy potential, namely, \begin{equation*} u_t+(-\Delta)^s…

偏微分方程分析 · 数学 2019-11-19 Boumediene Abdellaoui , Ireneo Peral , Ana Primo

This paper concerns the global in time existence of solutions for a semilinear heat equation \begin{equation} \tag{P} \label{eq:P} \begin{cases} \partial_t u = \Delta u + f(u), &x\in \mathbb{R}^N, \,\,\, t>0, \\[3pt] u(x,0) = u_0(x) \ge 0,…

偏微分方程分析 · 数学 2022-08-25 Yohei Fujishima , Norisuke Ioku

This paper is concerned with the existence/nonexistence of nontrivial global-in-time solutions to the Cauchy problem \begin{equation} \begin{cases}\tag{P}\partial_tu-\partial_x^2u+Vu=(1+x^2)^{-\frac{m}{2}}u^p,&x\in\mathbb{R},\ t>0,\\…

偏微分方程分析 · 数学 2025-03-05 Reiri Miyamoto , Motohiro Sobajima

On stratified Lie groups we study a semilinear heat equation with the Hardy potential, a power non-linearity and a forcing term which depends only upon the spacial variable. The analysis of an equivalent formulation to the problem and an…

偏微分方程分析 · 数学 2024-09-27 Durvudkhan Suragan , Bharat Talwar

We are concerned with the following coupled Schr\"{o}dinger system with Hardy potential in the critical case \begin{equation*} \begin{cases} -\Delta u_{i}-\frac{\lambda_{i}}{|x|^2}u_{i}=|u_i|^{2^*-2}u_i+\sum_{j\neq…

偏微分方程分析 · 数学 2025-08-27 Song You , Jianjun Zhang

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.

偏微分方程分析 · 数学 2023-05-22 Masoud Bayrami-Aminlouee , Mahmoud Hesaaraki , Mohamed Karim Hamdani , Nguyen Thanh Chung

Local and global properties of minimal solutions for the heat equation generated by the Dirichlet fractional Laplacian negatively perturbed by Hardy's potentials on open subsets of $\R^d$ are analyzed. As a byproduct we obtain instantaneous…

偏微分方程分析 · 数学 2020-09-25 Ali BenAmor
‹ 上一页 1 2 3 10 下一页 ›