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Existence and attractivity of a periodic solution for a ratio-dependent Leslie system with feedback controls

✍ Scribed by Qi Wang; Jizhou; Zhijie Wang; Minmin Ding; Hongyan Zhang


Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
240 KB
Volume
12
Category
Article
ISSN
1468-1218

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✦ Synopsis


A ratio-dependent Leslie system with feedback controls is studied. By using the comparison and continuation theorems, and based on the coincidence degree and by constructing a suitable Lyapunov function, some sufficient and necessary conditions for the existence and global attractivity of periodic solutions are obtained. One example shows that the obtained criteria are easily verifiable.


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✍ Guirong Liu; Jurang Yan πŸ“‚ Article πŸ“… 2006 πŸ› Elsevier Science 🌐 English βš– 432 KB

Applying a fixed-point theorem of strict-set-contractions, some new criteria are established for the existence of positive periodic solutions of the following neutral differential system with feedback control dt