Lower bound for the blow-up time for some nonlinear parabolic equations

被引：7
|
作者：
Chen, Wenhui [1 ]
Liu, Yan [1 ]
机构：
[1] Guangdong Univ Finance, Dept Appl Math, Guangzhou 510521, Guangdong, Peoples R China
来源：
BOUNDARY VALUE PROBLEMS | 2016年
基金：
中国国家自然科学基金;
关键词：
lower bound; blow-up time; nonlinear parabolic problems; HEAT-EQUATION;
D O I：
10.1186/s13661-016-0669-5
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we study the blow-up phenomenon for some nonlinear parabolic problems. Using the technique of differential inequalities, the lower bound for the blow-up time is determined if a blow-up does really occur. Our result is obtained in a bounded domain Omega is an element of R-N for any N >= 3.
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页数：6
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