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一类具有垂直传染与接种的DS-I-R传染病模型研究 被引量:3

A Vertical Transmission DS-I-R Model with Vaccination for Recurrent Event Data
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摘要 本文研究了一类具有垂直传染与接种的疾病在多个易感群体中传播的DS-I-R传染病模型,得到了疾病流行的阈值.运用微分方程定性与稳定性理论分析了无病平衡点的局部稳定与全局渐近稳定性及存在唯一地方病平衡点与其全局渐近稳定性. In this paper, we devote to investigate a vertical transmission DS-I-R model with vaccination, a threshold is obtained. Further, by using qualitative and stable theory of differential equation, sufficient conditions of local and global stability are derived for the disease free equilibrium and endemic equilibrium.
出处 《应用数学学报》 CSCD 北大核心 2008年第6期1089-1095,共7页 Acta Mathematicae Applicatae Sinica
基金 国家自然科学基金(10771179) 贵州省省长基金(2008035) 贵州省科学技术基金(20082250)资助项目
关键词 垂直传染 接种 传染病模型 全局渐近稳定 LIAPUNOV函数 vertical transmission vaccination threshold disease free equilibrium endemic equilibrium global stability
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