一类具有非线性脉冲的捕食与被捕食系统的定性分析
摘要
Due to limited resources and population densities, the actual pest control strategies such as spraying pesticide and releasing natural enemies have saturation effects or nonlinearity. Therefore, a predator-prey model with nonlinear impulsive control due to resource limitation was proposed and analyzed. With the Floquet theory and the differential comparison principle, the condition for global stability of the predator-free periodic solution was provided. It is shown that once a threshold condition is met, a stable nontrivial periodic solution will emerge via a supercritical bifurcation. The numerical results show that the predator-prey model with nonlinear pulse has rich dynamical behaviors.
引用本文(GB/T 7714)
李畅通, LI Changtong. 一类具有非线性脉冲的捕食与被捕食系统的定性分析[J]. 应用数学和力学, 2020.
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