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具有染病年龄结构的伪狂犬病模型的分析
Author(s) -
文娟 刘,
亚琴 乔,
凤玲 唐
Publication year - 2020
Publication title -
教育研究
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2661-4960
pISSN - 2630-4686
DOI - 10.32629/er.v3i2.2473
Subject(s) - computer science
根据不同年龄猪群对伪狂犬病的感染程度不一样,建立了具有染病年龄结构的传染病模型,并分析了其动力学行为,寻求决定疾病绝灭与否的基本再生数。当基本再生数小于或等于1时,模型仅有唯一的无病平衡点,当基本再生数大于1时,模型还存在唯一的正平衡点,利用线性化方法、波动引理和Liapunov函数方法,讨论了两个平衡点的全局渐近稳定性。

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