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脉冲时滞SVEIR模型的持久性 被引量:3

Permanence of Pulse Delayed SVEIR Model
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摘要 考虑了具有饱和接触率和变化种群大小的脉冲时滞的SVEIR模型,使用比较原理得到了模型的持久性,即R>1时,系统是持久的,并通过数值模拟验证了获得的结果. A pulse vaccination delayed SVEIR model with saturation incidence and a varying total population is proposed in this paper.By applying the comparison theorem,the permanence of pulse delayed SVEIR model is obtained when R > 1.Finally,numerical simulations are carried out to explain the results.
出处 《四川师范大学学报(自然科学版)》 CAS CSCD 北大核心 2013年第6期846-850,共5页 Journal of Sichuan Normal University(Natural Science)
基金 国家自然科学基金(10971164)资助项目
关键词 时滞 SVEIR模型 持久性 time delayed SVEIR model permanence
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