具有时间中断和随机波动的两个猎物和一个捕食者系统动力学

K. Shiva Reddy , M.N. Srinivas , C.V. Pavan Kumar
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引用次数: 3

摘要

本文研究了两猎物一捕食者模型的动力学问题,其中被捕食者服从logistic生长规律,捕食者服从死亡率和种内竞争。利用经典数学工具分析验证了时间延迟和随机环境波动对模型内部平衡点周围稳定性的影响。在数值模拟中探讨了模型在不同参数下的稳定、周期和混沌行为。
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Dynamics of a two prey and one predator system with time interruption and random fluctuations

The present work focuses on the dynamics of a two prey and one predator model where the preys are subjected to the logistic growth law and the predator is subjected to the mortality rate and intra specific competition. The effects of time delay and random environmental fluctuations on the stability of the model around the interior equilibrium point are analytically tested using classical mathematical tools. The stable, periodic and chaotic behaviours of the model for different sets of chosen parameters are explored in numerical simulations.

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