A sufficient and necessary condition for
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Yunfeng Jia
📂
Article
📅
2011
🏛
Elsevier Science
🌐
English
⚖ 213 KB
We deal with a predator-prey interaction model with Ivlev-type functional response which is subject to the homogeneous Dirichlet boundary condition. On the basis of the fixed point index theory, we give a sufficient and necessary condition for the existence of positive solutions of the model.