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Existence of two periodic solutions for a non-autonomous SIR epidemic model

✍ Scribed by Zhenguo Bai; Yicang Zhou


Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
352 KB
Volume
35
Category
Article
ISSN
0307-904X

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A necessary condition for the existence
✍ M. Bayat; B. Mehri πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 394 KB

In this article, we give a necessary condition for the existence of periodic solutions of certain three dimensional autonomous systems. This may become useful in further investigations. Our claims are proved and supported by certain examples for the third order autonomous systems.