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 …

Deep recurrent neural networks with finite-time terminal sliding mode control for a chaotic fractional-order financial system with market confidence

YL Wang, H Jahanshahi, S Bekiros, F Bezzina… - Chaos, Solitons & …, 2021 - Elsevier
Disturbances are inevitably found in almost every system and, if not rejected, they could
jeopardize the effectiveness of control methods. Thereby, employing state-of-the-art …

Numerical approach to solve Caputo‐Fabrizio‐fractional model of corona pandemic with optimal control design and analysis

A Hanif, AI Kashif Butt, W Ahmad - Mathematical Methods in …, 2023 - Wiley Online Library
In this manuscript, we have studied the dynamical behavior of a deadly COVID‐19
pandemic which has caused frustration in the human community. For this study, a new …

New fractional integral inequalities for convex functions pertaining to Caputo–Fabrizio operator

SK Sahoo, PO Mohammed, B Kodamasingh… - Fractal and …, 2022 - mdpi.com
In this article, a generalized midpoint-type Hermite–Hadamard inequality and Pachpatte-
type inequality via a new fractional integral operator associated with the Caputo–Fabrizio …

A Caputo–Fabrizio fractional-order model of HIV/AIDS with a treatment compartment: Sensitivity analysis and optimal control strategies

H Wang, H Jahanshahi, MK Wang, S Bekiros, J Liu… - Entropy, 2021 - mdpi.com
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 …

Direct power series approach for solving nonlinear initial value problems

E Salah, R Saadeh, A Qazza, R Hatamleh - Axioms, 2023 - mdpi.com
In this research, a new approach for solving fractional initial value problems is presented.
The main goal of this study focuses on establishing direct formulas to find the coefficients of …

Solving distributed-order fractional optimal control problems via the Fibonacci wavelet method

S Sabermahani, Y Ordokhani - Journal of Vibration and …, 2024 - journals.sagepub.com
A new approach to finding the approximate solution of distributed-order fractional optimal
control problems (DO FOCPs) is proposed. This method is based on Fibonacci wavelets …

On chaos and projective synchronization of a fractional difference map with no equilibria using a fuzzy-based state feedback control

E Zambrano-Serrano, S Bekiros… - Physica A: Statistical …, 2021 - Elsevier
In this paper, by considering the Caputo-like delta difference definition, a fractional
difference order map with chaotic dynamics and with no equilibria is proposed. The complex …

Robust optimal control of nonlinear fractional systems

C Liu, T Zhou, Z Gong, X Yi, KL Teo, S Wang - Chaos, Solitons & Fractals, 2023 - Elsevier
Parameter uncertainty is inevitably found in almost every system and, if is ignored, it could
jeopardize the effectiveness of control method. Motivated by this issue, we consider a robust …

Optimal control of nonlinear fractional-order systems with multiple time-varying delays

C Liu, Z Gong, KL Teo, S Wang - Journal of Optimization Theory and …, 2022 - Springer
This paper considers an optimal control problem governed by nonlinear fractional-order
systems with multiple time-varying delays and subject to canonical constraints, where the …