Existence of three positive periodic solutions for differential systems with feedback controls on time scales

Autor: Yongkun Li, Tianwei Zhang, Jianfeng Suo
Jazyk: angličtina
Rok vydání: 2010
Předmět:
Zdroj: Electronic Journal of Differential Equations, Vol 2010, Iss 118,, Pp 1-16 (2010)
Druh dokumentu: article
ISSN: 1072-6691
Popis: Using the Leggett-Williams multiple fixed point theorem, we establish criteria for the existence of three positive periodic solutions of a class of differential systems with feedback controls on time scales.
Databáze: Directory of Open Access Journals