文章基本信息

标题：The Existence of Periodic Solutions for Non-Autonomous Differential Delay Equations via Minimax Methods
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作者：Rong Cheng
期刊名称：Advances in Difference Equations
印刷版ISSN：1687-1839
电子版ISSN：1687-1847
出版年度：2009
卷号：2009
期号：1
页码：137084
DOI：10.1155/2009/137084
语种：English
出版社：Hindawi Publishing Corporation
摘要：By using variational methods directly, we establish the existence of periodic solutions for a class of nonautonomous differential delay equations which are superlinear both at zero and at infinity.
关键词：Periodic Solution ; Compact Operator ; Fourier Expansion ; Shift Operator ; Differential Delay Equation