Chaotic dynamics in a novel COVID-19 pandemic model described by commensurate and incommensurate fractional-order derivatives
Mathematical models based on fractional-order differential equations have recently gained
interesting insights into epidemiological phenomena, by virtue of their memory effect and …
interesting insights into epidemiological phenomena, by virtue of their memory effect and …
Fractional-order discrete-time SIR epidemic model with vaccination: Chaos and complexity
ZY He, A Abbes, H Jahanshahi, ND Alotaibi, Y Wang - Mathematics, 2022 - mdpi.com
This research presents a new fractional-order discrete-time susceptible-infected-recovered
(SIR) epidemic model with vaccination. The dynamical behavior of the suggested model is …
(SIR) epidemic model with vaccination. The dynamical behavior of the suggested model is …
A review on design and implementation of type‐2 fuzzy controllers
H Jahanshahi, A Yousefpour… - … Methods in the …, 2022 - Wiley Online Library
Nowadays, advances in different fields of technology have increased demands for reliable
controllers. Uncertainty and disturbances, which are inevitable in most real‐world systems …
controllers. Uncertainty and disturbances, which are inevitable in most real‐world systems …
Identifiability and predictability of integer-and fractional-order epidemiological models using physics-informed neural networks
We analyze a plurality of epidemiological models through the lens of physics-informed
neural networks (PINNs) that enable us to identify time-dependent parameters and data …
neural networks (PINNs) that enable us to identify time-dependent parameters and data …
Numerical computing to solve the nonlinear corneal system of eye surgery using the capability of Morlet wavelet artificial neural networks
In this study, a novel heuristic computing technique is presented to solve bioinformatics
problem for the corneal shape model of eye surgery using Morlet wavelet artificial neural …
problem for the corneal shape model of eye surgery using Morlet wavelet artificial neural …
On the dynamical investigation and synchronization of variable-order fractional neural networks: The Hopfield-like neural network model
H Jahanshahi, E Zambrano-Serrano, S Bekiros… - The European Physical …, 2022 - Springer
Since the variable-order fractional systems show more complex characteristics and more
degrees of freedom due to time-varying fractional derivatives, we introduce a variable-order …
degrees of freedom due to time-varying fractional derivatives, we introduce a variable-order …
A Caputo–Fabrizio fractional-order model of HIV/AIDS with a treatment compartment: Sensitivity analysis and optimal control strategies
Although most of the early research studies on fractional-order systems were based on the
Caputo or Riemann–Liouville fractional-order derivatives, it has recently been proven that …
Caputo or Riemann–Liouville fractional-order derivatives, it has recently been proven that …
Stability analysis and optimal control of a fractional-order generalized SEIR model for the COVID-19 pandemic
C Xu, Y Yu, G Ren, Y Sun, X Si - Applied Mathematics and Computation, 2023 - Elsevier
In view of the spread of corona virus disease 2019 (COVID-19), this paper proposes a
fractional-order generalized SEIR model. The non-negativity of the solution of the model is …
fractional-order generalized SEIR model. The non-negativity of the solution of the model is …
[HTML][HTML] Mathematical modeling of vaccination as a control measure of stress to fight COVID-19 infections
JN Paul, IS Mbalawata, SS Mirau… - Chaos, Solitons & Fractals, 2023 - Elsevier
The world experienced the life-threatening COVID-19 disease worldwide since its inversion.
The whole world experienced difficult moments during the COVID-19 period, whereby most …
The whole world experienced difficult moments during the COVID-19 period, whereby most …
[HTML][HTML] Coronavirus disease 2019 epidemic prediction in Shanghai under the “dynamic zero-COVID policy” using time-dependent SEAIQR model
Y Ma, S Xu, Q An, M Qin, S Li, K Lu, J Li, L Lei… - Journal of Biosafety and …, 2022 - Elsevier
It's urgently needed to assess the COVID-19 epidemic under the “dynamic zero-COVID
policy” in China, which provides a scientific basis for evaluating the effectiveness of this …
policy” in China, which provides a scientific basis for evaluating the effectiveness of this …