Existence and attractivity of a periodic solution for a ratio-dependent Leslie system with feedback controls
β 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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β¦ 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.
π SIMILAR VOLUMES
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