期刊
JOURNAL OF BIOLOGICAL DYNAMICS
卷 9, 期 1, 页码 73-101出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17513758.2015.1006696
关键词
asymptotic smoothness; Lyapunov function; uniform persistence; age-structured model; global stability
资金
- National Natural Science Foundation of China [11401182, 11471089]
- Natural Science Foundation of Heilongjiang Province [A201415]
- Science and Technology Innovation Team in Higher Education Institutions of Heilongjiang Province [2014TD005]
- China Postdoctoral Science Foundation [2014M552295]
- Chongqing Postdoctoral Foundation [Xm2014024]
- Youth Foundation of Heilongjiang University
- Japan Society for the Promotion of Science [25887011]
- Grants-in-Aid for Scientific Research [25887011] Funding Source: KAKEN
In this paper, an Susceptible-Vaccines-Exposed-Infectious-Recovered model with continuous age-structure in the exposed and infectious classes is investigated. These two ages are assumed to have arbitrary distributions that are represented by age-specific rates leaving the exposed and the infectious classes. We investigate the global dynamics of this model in the sense of basic reproduction number via constructing Lyapunov functions. The asymptotic smoothness of solutions and uniform persistence of the system is shown from reformulating the system as a system of Volterra integral equations.
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