摘要
用非线性分析的方法讨论了含有多个滞量的混合型微分方程,获得周期正解的存在性和唯一性.
By means of operator theory, topological degree and Liapunov functional, the existence and uniqueness of the positive periodic solution for an equation with delays are investigated. The main theorem obtained extends some early results.
出处
《广西师范大学学报(自然科学版)》
CAS
1999年第2期47-50,共4页
Journal of Guangxi Normal University:Natural Science Edition
基金
广西教育厅资助
关键词
周期正解
混合型
泛函微分方程
时滞方程
positive periodic solution
Liapunov functional
topological degree
delay