The aim of this research is to construct an SIR model for COVID-19 with fuzzy parameters.
The SIR model is constructed by considering the factors of vaccination, treatment, obedience …

In our article, we are primarily concentrating on existence and controllability of nonlocal
mixed Volterra‐Fredholm type fractional delay integro‐differential equations of order 1< r< 2 …

This article concerning to initiate the existence of solutions via fixed point technique for: 1.
The Atangana–Baleanu Willis Aneurysm System {0 AB D tn 1 p= q 0 AB D tn 2 q= F cos …

In our article, we primarily concentrating on approximate controllability results for fractional
integro‐differential equations of order 1< r< 2. By applying the results and ideas belongs to …

We consider a SEAIR epidemic model with Atangana–Baleanu fractional-order derivative.
We approximate the solution of the model using the numerical scheme developed by Toufic …

This manuscript is devoted to a study of the existence and uniqueness of solutions to a
mathematical model addressing the transmission dynamics of the coronavirus-19 infectious …

In this study, we consider a three-dimensional discrete-time model to investigate the
interaction between normal host cells with functional immune cells and tumor cells. Fixed …

Extended orthogonal spaces are introduced and proved pertinent fixed point results.
Thereafter, we present an analysis of the existence and unique solutions of the novel …

Intravenous substance consumption is on the upswing all over the globe, especially in
Europe and Asia. It is extremely harmful to society; excessive substance consumption is the …

The use of mathematical modeling in the exploration of epidemiological disorders has
increased dramatically. Mathematical models can be used to forecast how viral infections …