期刊信息

  • 刊名: 河北师范大学学报(自然科学版)Journal of Hebei Normal University (Natural Science)
  • 主办: 河北师范大学
  • ISSN: 1000-5854
  • CN: 13-1061/N
  • 中国科技核心期刊
  • 中国期刊方阵入选期刊
  • 中国高校优秀科技期刊
  • 华北优秀期刊
  • 河北省优秀科技期刊

具有潜伏期的寨卡传染病模型的稳定性分析

  • 东华理工大学 理学院, 江西 南昌 330013
  • DOI: 10.13763/j.cnki.jhebnu.nse.2017.01.002

Qualitative Analysis of a Zikv Epidemicmodel with Incubation

摘要/Abstract

摘要:

研究了一类具有潜伏期的寨卡传染病模型,模型中包括了常数输入率、死亡率.定义了基本再生数R0,利用Lyapunov函数和LaSalle不变集原理证明了当R0<1时,模型存在唯一的全局渐近稳定的无病平衡点.当R0>1时,系统存在地方疾病平衡点,并通过其对应的Jacobian矩阵的特征值符号证明了该平衡点是局部渐近稳定的.

Abstract:

An epidemic model with incubation,constant recruitment and the disease related is discussed in this paper. We have defined the reproductive number R0.If R0<1,there exists only the disease-free equilibrium which is globally asymptotically stable by the Lyapunov function and theorem of LaSalle invariant set. if R0>1,there exists a unique endemic equilibrium which is locally asymptotically stable by eigenvalues of the Jacobian matrix.

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