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-  2018 

具有Holing-Ⅲ反应项的捕食系统的平衡态共存解

Keywords: 捕食模型,共存解,不动点指标,数值模拟

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Abstract:

研究了一类具有Holling-Ⅲ反应项的捕食模型在Dirichlet边界条件下平衡态解的共存性.利用比较原理、Leray-Schauder度理论及不动点指标可加性,得到了具有Holling-Ⅲ反应项的捕食模型共存解存在的充分必要条件.利用数值模拟的方法研究了一维方程的平衡态解,验证了理论结果的正确性.研究表明该捕食系统中参数满足一定的条件时,系统中的两种生物可以产生共存现象

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