The new coronavirus disease is still a major panic for people all over the world. The world is
grappling with the second wave of this new pandemic. Different approaches are taken into …

In this paper, a non-singular SIR model with the Mittag-Leffler law is proposed. The
nonlinear Beddington-DeAngelis infection rate and Holling type II treatment rate are used …

A mathematical model of an interaction between two populations namely prey and predator
is studied based on a Gause-type predator–prey model involving the additive Allee effect …

In this work, we investigate the transmission dynamics of the Zika virus, considering both a
compartmental model involving humans and mosquitoes and an extended model that …

This paper presents some new formulas and properties of the generalized fractional
derivative with non‐singular kernel that covers various types of fractional derivatives such as …

This paper aims to study the stability of fractional differential equations involving the new
generalized Hattaf fractional derivative which includes the most types of fractional …

The inherent instability of the financial system itself may lead to chaos and unpredictable
economic disorder. It is meaningful to study the stability and control theory of financial …

In this survey, we propose an overview on Lyapunov functions for a variety of compartmental
models in epidemiology. We exhibit the most widely employed functions, and provide a …

In this paper, we study the recently proposed fractional-order operators with general analytic
kernels. The kernel of these operators is a locally uniformly convergent power series that …

The SARS-CoV-2 continues to spread across the world. During this COVID-19 pandemic,
several variants of the SARS-CoV-2 have been found. Some of these new variants like the …