The article is devoted to the parameters identification in the SI model. We consider several
methods, starting with an exponential fit to the early cumulative data of SARS-CoV2 in …

(1) Background: The estimation of daily reproduction numbers throughout the
contagiousness period is rarely considered, and only their sum R0 is calculated to quantify …

We test the hypothesis that differences in social status between groups of people within a
population may induce variation in insulin-like growth factor-1 (IGF-1) levels and, by …

This book is divided into three parts. The first part is devoted to linear ordinary differential
equations. The second part focuses on nonlinear ordinary differential equations. In the third …

Social media is becoming a new battlefield for tobacco “wars”. Evaluating the current
situation is very crucial for the advocacy of tobacco control in the age of social media. To …

The present paper aims to apply the mathematical ideas of the contagion networks in a
discrete dynamic context to the modeling of two current pandemics, ie, COVID-19 and …

Revisiting the classical model by Ross and Kermack-McKendrick, the Susceptible–Infectious–
Recovered (SIR) model used to formalize the COVID-19 epidemic, requires improvements …

The obesity pandemic is represented by a discrete-time Hopfield Boolean network
embedded in continuous-time population dynamics. The influence of the social environment …

Over recent decades, historical areas conservation has become an important strategy to
improve urban competitiveness in the global economy. As shown in existing studies that the …

El lenguaje según Noam Chomsky, es una capacidad innata que puede emplearse para
comunicar la ciencia. Analizar el término obesidad como concepto científico, permitirá su …