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Positive periodic solutions of a class of functional differential systems with feedback controls

✍ Scribed by Yongkun Li; Ping Liu; Lifei Zhu

Publisher: Elsevier Science
Year: 2004
Tongue: English
Weight: 229 KB
Volume: 57
Category: Article
ISSN: 0362-546X
DOI: 10.1016/j.na.2004.03.006

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✦ Synopsis

In this paper, by using the upper and lower solutions method, we investigate the existence and nonexistence of positive periodic solutions of inÿnite delay functional di erential system with a parameter and feedback controls ẋ(t) = A(t)x(t) -F(t; xt; x(g(t; x(t))); u( (t; x(t))));

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