21 citations · 34 across the 7 of their papers we have counts for
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math.NA2021★ 7 cited
A Discrete-Time Compartmental Epidemiological Model for COVID-19 with a Case Study for Portugal
Sandra Vaz, Delfim F. M. Torres
In [Ecological Complexity 44 (2020) Art. 100885, DOI: 10.1016/j.ecocom.2020.100885] a continuous-time compartmental mathematical model for the spread of the Coronavirus disease 201…
math.NA2021★ 21 cited
A dynamically-consistent nonstandard finite difference scheme for the SICA model
Sandra Vaz, Delfim F. M. Torres
In this work, we derive a nonstandard finite difference scheme for the SICA (Susceptible-Infected-Chronic-AIDS) model and analyze the dynamical properties of the discretized system…