节点文献
一类非线性反应扩散方程解的渐近性态
Asymptotic behavior of solutions of a class of nonlinear reaction diffusion equations
【摘要】 利用上下解方法和Lyapunov函数讨论了非线性反应扩散方程ut -dΔu =-λuf(u) 的解的渐近性态 .在反应项满足一定条件时 ,得到了一个门槛型的结果
【Abstract】 The asymptotic behavior of solutions of the following nonlinear reaction diffusion equationsu t-dΔu=-λuf(u)is considered by using the method of upper and lower solutions and Lyapunov functions.A threshold-type result is obtained in the case that its reaction term satisfies some conditions.
【关键词】 反应扩散方程;
渐近性态;
上下解;
Lyapunov函数;
【Key words】 reaction diffusion equation; asymptotic behavior; upper and lower solution; Lyapunov function;
【Key words】 reaction diffusion equation; asymptotic behavior; upper and lower solution; Lyapunov function;
- 【文献出处】 西北师范大学学报(自然科学版) ,Journal of Northwest Normal University(Natural Science Edition) , 编辑部邮箱 ,2002年01期
- 【分类号】O175.2
- 【被引频次】1
- 【下载频次】50