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Periodic Solutions for Impulsive Differential Equations Model of Plankton Allelopathy

机译:浮游生物化感作用脉冲微分方程模型的周期解

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In this paper, we study a modified impulsive Lotka-Volterra competition model which involves interactions between two species of plankton having competitive and allelopathic effects on each other. The species grow in a periodically changing environment with instantaneous changes in the population densities.The mathematical model is described by a periodic impulsive differential equations. A monotone-iterative scheme is established for finding the periodic solution of the model, a set of easily verifiable sufficient conditions are obtained for the existence of at least one strictly positive periodic solution. Some computer simulations are carried out to demonstrate the main results.
机译:在本文中,我们研究了一种改进的脉冲Lotka-Volterra竞争模型,该模型涉及两种浮游生物之间的相互作用,彼此具有竞争和化感作用。该物种在周期性变化的环境中生长,种群密度具有瞬时变化。数学模型由周期脉冲微分方程描述。建立了单调迭代方案来寻找模型的周期解,为至少一个严格正周期解的存在获得了一组易于验证的充分条件。进行了一些计算机模拟以证明主要结果。

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