In this paper, we propose a periodic dengue disease transmission model with two time delays and vaccination. We first introduce the basic reproduction ratio R0 R 0 for this model and then prove that ...

In this richly illustrated book, Nobel Laureate Gerard 't Hooft and Theoretical Physicist Stefan Vandoren describe the enormous diversity of natural phenomena that take place at different time scales.

In this study, an SEIR epidemic model is proposed for treatment of infectives considering the development of acquired immunity in recovered individuals. We employed two different types of treatment ...

In an era where digital transformation is no longer a choice but a necessity, AI-Driven Revolution: Transforming the Business Landscape serves as a comprehensive guide for business leaders, ...