摘要
对具脉冲预防接种的SIRS传染病模型进行分析,利用分支理论得到了系统中地方病周期解的存在性,并利用数值模拟的方法验证了所得结论的正确性。
An SIRS epidemical model with impulsive vaccination is analysed. The endemic disease periodic solution is obtained for such a system by using bifurcation technique, and the results are demonstrated by numerical simulation.
出处
《数学的实践与认识》
CSCD
北大核心
2011年第7期156-162,共7页
Mathematics in Practice and Theory
基金
山西省自然科学基金(2008011002-2)
关键词
脉冲接种
无病周期解
地方病周期解
分支
impulsive vaccination
disease-free periodic solution
endemic periodic solution bifurcation