Positive periodic solutions of nonautonomous functional differential equations depending on a parameter

Abstract and Applied Analysis

Volumn 7, Issue 5, 2002, Pages 279-286

  Zhang, Guang ^a   Cheng, Sui Sun ^b  

^a Yanbei Normal Institute   (China)

^b NATIONAL TSING HUA UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 13544264053     PISSN: 10853375     EISSN: 16870409     Source Type: Journal    
DOI: 10.1155/S1085337502000878     Document Type: Article

References (7)

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4. D. Q. Jiang and J. J. Wei, Existence of positive periodic solutions for nonautonomous delay differential equations, Chinese Ann. Math. Ser. A 20 (1999), no. 6, 715-720 (Chinese).
5. Y.-H. Lee, Multiplicity of positive radial solutions for multiparameter semilinear elliptic systems on an annulus, J. Differential Equations 174 (2001), no. 2, 420-441.
6. Y. K. Li, Existence and global attractivity of positive periodic solutions for a class of delay differential equations, Science in China Series A 28 (1998), no. 2, 108-118 (Chinese).
7. S. N. Zhang, Periodicity in functional-differential equations, Ann. Differential Equations 12 (1996), no. 2, 252-257.