文章基本信息

标题：Multiple Positive Periodic Solutions for Delay Differential System
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作者：Zhao-Cai Hao ; Ti-Jun Xiao ; Jin Liang 等
期刊名称：Discrete Dynamics in Nature and Society
印刷版ISSN：1026-0226
电子版ISSN：1607-887X
出版年度：2009
卷号：2009
DOI：10.1155/2009/239209
出版社：Hindawi Publishing Corporation
摘要：We obtain some existence results for multiple positive periodic solutions of some delay differential systems. Examples are presented as applications. For a general positive integer 𝑚≥2, main results of this paper do not appear in former literatures as we know. Comparing with the existing results, our results are new also when 𝑚=1.