English
Related papers

Related papers: Fractional semilinear heat equations with singular…

200 papers

We study the existence and behaviour of blowing-up solutions to the fully fractional heat equation $$ \mathcal{M} u=u^p,\qquad x\in\mathbb{R}^N,\;0<t<T $$ with $p>0$, where $\mathcal{M}$ is a nonlocal operator given by a space-time kernel…

Analysis of PDEs · Mathematics 2022-12-22 Raúl Ferreira , Arturo de Pablo

In this paper, we study quantitative spatial analytic bounds and unique continuation inequalities of solutions for fractional heat equations with an analytic lower order term on the whole space. At first, we show that the solution has a…

Analysis of PDEs · Mathematics 2021-08-24 Ming Wang , Can Zhang

We are concerned with the classification of positive radial solutions for the system $\Delta u=v^p$, $\Delta v=f(|\nabla u|)$, where $p>0$ and $f\in C^1[0,\infty)$ is a nondecreasing function such that $f(t)>0$ for all $t>0$. We show that…

Analysis of PDEs · Mathematics 2015-05-26 Gurpreet Singh

In this paper, we establish blow-up rates for higher-order semilinear parabolic equations with nonlocal in time nonlinearity with no positive assumption on the solution. We also give Liouville-type theorem for higher-order semilinear…

Analysis of PDEs · Mathematics 2020-06-01 Ahmad Z. Fino

We study a nonlinear evolutionary partial differential equation that can be viewed as a generalization of the heat equation where the temperature gradient is a~priori bounded but the heat flux provides merely \mbox{$L^1$-coercivity}.…

Analysis of PDEs · Mathematics 2021-03-01 Miroslav Bulíček , David Hruška , Josef Málek

We prove higher-order fractional Sobolev regularity for fully nonlinear, uniformly elliptic equations in the presence of unbounded source terms. More precisely, we show the existence of a universal number $0< \varepsilon <1$, depending only…

Analysis of PDEs · Mathematics 2022-04-08 Edgard A. Pimentel , Makson S. Santos , Eduardo V. Teixeira

This paper is devoted to study the existence of a solution to Hilfer fractional differential equation with nonlocal boundary condition. We use the equivalent integral equation to study the considered Hilfer differential problem with…

General Mathematics · Mathematics 2019-10-01 Hanan A. Wahash , Mohammed S. Abdo , Satish K. Panchal , Sandeep P. Bhairat

Let $\Omega$ be a $\mathcal C^2$-bounded domain of $\mathbb R^d$, $d=2,3$, and fix $Q=(0,T)\times\Omega$ with $T\in(0,+\infty]$. In the present paper we consider a Dirichlet initial-boundary value problem associated to the semilinear…

Analysis of PDEs · Mathematics 2015-10-14 Yavar Kian , Masahiro Yamamoto

This paper is devoted to the study of the existence of positive solutions for a problem related to a higher order fractional differential equation involving a nonlinear term depending on a fractional differential operator,…

Analysis of PDEs · Mathematics 2019-04-02 Pablo Álvarez-Caudevilla , Eduardo Colorado , Alejandro Ortega

In this paper, we establish Liouville type theorems for stable solutions on the whole space $\mathbb R^N$ to the fractional elliptic equation $$(-\Delta)^su=f(u)$$ where the nonlinearity is nondecreasing and convex. We also obtain a…

Analysis of PDEs · Mathematics 2020-04-28 Anh Tuan Duong , Van Hoang Nguyen

In the present paper, we study the existence and blow-up behavior to the following stochastic non-local reaction-diffusion equation: \begin{equation*} \left\{ \begin{aligned} du(t,x)&=\left[(\Delta+\gamma) u(t,x)+\int_{D}u^{q}(t,y)dy…

Probability · Mathematics 2023-11-13 S. Sankar , Manil T. Mohan , S. Karthikeyan

In this paper, we study different notions of solutions of nonlocal and nonlinear equations of fractional $p$-Laplace type $${\rm P.V.} \int_{\mathbb R^n}\frac{|u(x)-u(y)|^{p-2}(u(x)-u(y))}{|x-y|^{n+sp}}\,dy = 0.$$ Solutions are defined via…

Analysis of PDEs · Mathematics 2016-09-05 Janne Korvenpää , Tuomo Kuusi , Erik Lindgren

We develop computer-assisted tools to study semilinear equations of the form \begin{equation*} -\Delta u -\frac{x}{2}\cdot \nabla{u}= f(x,u,\nabla u) ,\quad x\in\mathbb{R}^d. \end{equation*} Such equations appear naturally in several…

Analysis of PDEs · Mathematics 2026-01-21 Maxime Breden , Hugo Chu

In this article, we study the local existence of solutions for a wave equation with a nonlocal in time nonlinearity. Moreover, a blow-up results are proved under some conditions on the dimensional space, the initial data and the nonlinear…

Analysis of PDEs · Mathematics 2010-08-26 Ahmad Fino , Mokhtar Kirane , Vladimir Georgiev

In this paper we study existence and nonexistence of nonnegative distributional solutions for a class of semilinear fractional elliptic equations involving the Hardy potential.

Analysis of PDEs · Mathematics 2012-10-25 Mouhamed Moustapha Fall

We consider the fully non-local diffusion equations with non-negative $L^1$-data. Based on the approximation and energy methods, we prove the existence and uniqueness of non-negative entropy solutions for such problems. In particular, our…

Analysis of PDEs · Mathematics 2023-11-02 Ying Li , Chao Zhang

We investigate existence and uniqueness of solutions for a class of nonlinear nonlocal problems involving the fractional $p$-Laplacian operator and singular nonlinearities.

Analysis of PDEs · Mathematics 2016-07-04 Annamaria Canino , Luigi Montoro , Berardino Sciunzi , Marco Squassina

We study a time fractional heat equation in a noncylindrical domain. The problem is one-dimensional. We prove existence of properly defined weak solutions by means of the Galerkin approximation.

Analysis of PDEs · Mathematics 2016-08-05 Adam Kubica , Piotr Rybka , Katarzyna Ryszewska

This article deals with the problems of local and global solvability for a semilinear heat equation on the Heisenberg group involving a mixed local and nonlocal nonlinearity. The characteristic features of such equations, arising from the…

Analysis of PDEs · Mathematics 2025-11-03 Zineb Sabbagh , Ahmad Z. Fino , Mokhtar Kirane

We show the existence and the uniqueness of initial traces of nonnegative solutions to a semilinear heat equation on a half space of ${\mathbb R}^N$ under the zero Dirichlet boundary condition. Furthermore, we obtain necessary conditions…

Analysis of PDEs · Mathematics 2022-09-15 Kotaro Hisa , Kazuhiro Ishige , Jin Takahashi