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一类带有非线性发生率和大众传播媒体影响的传染病模型的稳定性及分支的研究

Stability and Bifurcation Researches for an Epidemic Model with Nonlinear Incidence and Mass Media
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摘要 文章研究了一类带有非线性发生率和大众媒体影响的传染病模型,结果表明该模型存在两个平衡点,即无病平衡点和地方病平衡点.对平衡点的稳定性进行了研究,并讨论了分支的存在性. In this paper, an epidemic model with nonlinear incidence and mass media is investigated. It is shown that the model exhibits two equilibrium, namely, disease-free equilibrium and endemic equilibrium. The stability of equilibria and the existence of bifurcation are studied.
出处 《杭州师范大学学报(自然科学版)》 CAS 2016年第3期294-300,共7页 Journal of Hangzhou Normal University(Natural Science Edition)
基金 国家自然科学基金项目(11302002) 安徽省高校优秀青年人才基金重点项目(2011SQRL022ZD)
关键词 传染病模型 大众媒体 平衡点 稳定性 分支 epidemic model mass media equilibrium stability bifurcation.
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