Showing math.CAShow all
3 papers · 1 filter
math.CA2001
Multiple Equilibria for an SIRS Epidemiological System
M. R. Razvan
An SIRS type model of disease transmission in an open environment is discussed. We use the Poincaré index together with a perturbation method to show that the endemic proportions n…
math.CA2000
Analysis of a Disease Transmission Model with two Groups of Infectives
M. R. Razvan
In this paper, we give a complete analysis of an SIS epidemiological model in a population of varying size with two dissimilar groups of infective individuals. It is mainly based o…
math.CA2000
The Dynamics of a Vertically Transmitted Disease
M. R. Razvan
An SIRS epidemiological model for a vertically transmitted disease is discussed. We give a complete global analysis in terms of three explicit threshold parameters which respective…