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福州大学学报(自然科学版) 2015
一类反馈控制捕食-食饵系统平衡点的全局吸引
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Abstract:
研究一类多时滞Lotka-Volterra捕食-食饵系统,通过构造多个Lyapunov函数,建立捕食-食饵系统正平衡点的全局吸引的充分性条件. 并进一步证明了当食饵种群绝灭,有其它食物来源的捕食者也能稳定在某个值.
We study a Lotka-Volterra predator-prey system with several delays. By using the method of multiple Lyapunov functionals,we obtain the sufficient conditions that the positive equilibrium point of predator-prey system is the global stability. Furthermore,under other conditions we establish that the prey is tending to zero while the predator who has other foods will stabilize at a certain solution of a logistic differential equation