摘要
利用k-集压缩算子的抽象连续性定理,讨论了一类二阶非线性中立型微分方程周期解的存在性,得到周期解存在的充分条件.
By using theabstract continuation theorem of k-set contractive operator, the periodic solutions for a second order nonlinear neutral differential equations are investigated. Some sufficient conditions are obtained.
出处
《华南师范大学学报(自然科学版)》
CAS
北大核心
2010年第2期27-31,共5页
Journal of South China Normal University(Natural Science Edition)
关键词
中立型微分方程
周期解
K-集压缩算子
neutral differential equations
periodic solutions
k-set contractive operator