In this paper under some conditions on the constants A , B ∈ ( 0 , ∞ ) we study the existence of positive solutions, the existence of a unique nonnegative ...
In this paper under some conditions on the constants A, B ∈ (0, ∞) we study the existence of positive solutions, the existence of a unique nonnegative ...
TL;DR: In this article, the stability or chaos in discrete epidemic models is discussed and the authors present the analysis of the equation x n + 1 = (1− x n ) ...
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Mar 15, 2013 · A nonstandard finite difference scheme is constructed to solve a SIR epidemic model with modified saturated incidence rate.
A discrete epidemic model and a zigzag strategy for curbing the ...
www.mmnp-journal.org › mmnp200131
Oct 29, 2020 · This study looks at the dynamics of a Covid-19 type epidemic with a dual purpose. The first objective is to propose a reliable temporal mathematical model.
Jun 4, 2015 · We consider a class of system of nonlinear difference equations arising from mathematical models describing a discrete epidemic model.
term aS(t)I(t) models an assumption that the rate at which susceptible individuals become infected is proportional to the number of interactions between ...
Oct 22, 2024 · A study using a susceptible-infected-susceptible (SIS) model with modified discrete time was conducted to determine the cost of handling COVID- ...
On qualitative analysis of a discrete time SIR epidemical model
www.sciencedirect.com › article › pii
The main purpose of this paper is to study the local dynamics and bifurcations of a discrete-time SIR epidemiological model. The existence and stability of ...
Oct 7, 2020 · Finally, we apply our proposed time-discrete SIR model to currently available data regarding the spread of COVID-19 in Germany and Iran.