Global existence and blow-up of solutions to a nonlocal parabolic equation with singular potential

被引：19

作者：

Feng, Min ^{[1
]}

Zhou, Jun ^{[1
]}

机构：

[1] Southwest Univ, Sch Math & Stat, Chongqing 400715, Peoples R China

来源：

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS | 2018年 / 464卷 / 02期

关键词：

Nonlocal parabolic equation; Singular potential; Arbitrary initial energy; Global existence; Blow-up; Blow-up time; THIN-FILM EQUATION; NEUMANN BOUNDARY-CONDITIONS; NONLINEAR HYPERBOLIC-EQUATIONS; GIERER-MEINHARDT SYSTEM; EVOLUTION-EQUATIONS; DIFFERENTIAL-EQUATIONS; NONEXISTENCE THEOREMS; INITIAL ENERGY; WAVE EQUATIONS; P-LAPLACIAN;

D O I：

10.1016/j.jmaa.2018.04.056

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

In this paper, we study a nonlocal parabolic equation with singular potential on a bounded smooth domain with homogeneous Neumann boundary condition. Firstly, we find a threshold of global existence and blow-up to the solutions of the problem when the initial data is at the low energy level, i.e., J(u(0)) <= d, where J(u(0)) is the initial energy and d is the mountain-pass level. Moreover, when J(u(0)) < d, the vacuum isolating behavior of the solutions is also discussed. Secondly, we prove that there exist solutions of the problem with arbitrary initial energy that blow up in finite time. We also obtain the upper bounds of the blow-up time for blow-up solutions. (C) 2018 Elsevier Inc. All rights reserved.

引用

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页码：1213 / 1242

页数：30

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