Existence of four positive periodic solutions for a ratio-dependent predator–prey system with multiple exploited (or harvesting) terms
✍ Scribed by Zhengqiu Zhang; Zhenting Hou
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 312 KB
- Volume
- 11
- Category
- Article
- ISSN
- 1468-1218
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📜 SIMILAR VOLUMES
By using Mawhin's continuation theorem of coincidence degree theory, we derive a sufficient condition for the existence of at least one positive periodic solution of a generalized prey-predator model with harvesting term.
This paper is concerned with a non-autonomous stage-structured predator-prey model with harvesting terms. By means of the coincidence degree theory, we establish the existence of at least eight positive periodic solutions for the system under consideration. An example is given to illustrate the effe
## a b s t r a c t In this paper, by employing the continuation theorem of coincidence degree theory, we establish an easily verifiable criteria for the existence of at least four positive periodic solutions for a discrete time delayed predator-prey system with nonmonotonic functional response and