陈业,鲁世平

• 1:安徽师范大学数学计算机科学学院

摘要(Abstract)：

利用变分原理和Z2不变群指标对一类二阶时滞微分方程(a(t)x′(t-τ))′-b(t)x(t-)τ+fλ(t,x(t),x(t-)τ,x(t-2)τ)=0的周期解问题进行研究,得出在一些条件下方程有2n个周期为2π的非平凡周期解。

关键词(KeyWords)： 变分原理;Z2不变群指标;临界点

Abstract:

Keywords:

基金项目(Foundation): 教育部科学技术重点项目(207047)资助

作者(Author): 陈业,鲁世平

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