Chaos in fractional-order discrete neural networks with application to image encryption

L Chen, H Yin, T Huang, L Yuan, S Zheng, L Yin - Neural Networks, 2020 - Elsevier
In this paper, a three-dimensional fractional-order (FO) discrete Hopfield neural network
(FODHNN) in the left Caputo discrete delta's sense is proposed, the dynamic behavior and …

The ‐Transform Method and Delta Type Fractional Difference Operators

D Mozyrska, M Wyrwas - Discrete Dynamics in Nature and …, 2015 - Wiley Online Library
The Caputo‐, Riemann‐Liouville‐, and Grünwald‐Letnikov‐type difference initial value
problems for linear fractional‐order systems are discussed. We take under our consideration …

[HTML][HTML] Variable-order fractional discrete-time recurrent neural networks

LL Huang, JH Park, GC Wu, ZW Mo - Journal of Computational and …, 2020 - Elsevier
Discrete fractional calculus is suggested to describe neural networks with memory effects.
Fractional discrete-time recurrent neural network is proposed on an isolated time scale …

Caputo–Hadamard fractional differential equations on time scales: Numerical scheme, asymptotic stability, and chaos

GC Wu, TT Song, S Wang - Chaos: An Interdisciplinary Journal of …, 2022 - pubs.aip.org
This study investigates Caputo–Hadamard fractional differential equations on time scales.
The Hadamard fractional sum and difference are defined for the first time. A general …

Stability analysis of Caputo–like discrete fractional systems

D Baleanu, GC Wu, YR Bai, FL Chen - Communications in Nonlinear …, 2017 - Elsevier
This study investigates stability of Caputo delta fractional difference equations. Solutions'
monotonicity and asymptotic stability of a linear fractional difference equation are discussed …

On explicit stability conditions for a linear fractional difference system

J Čermák, I Győri, L Nechvátal - Fractional Calculus and Applied Analysis, 2015 - Springer
The paper describes the stability area for the difference system (Δαy)(n+ 1− α)= Ay (n), n= 0,
1,..., with the Caputo forward difference operator Δα of a real order α∈(0, 1) and a real …

[HTML][HTML] Heat transfer and second order slip effect on MHD flow of fractional Maxwell fluid in a porous medium

S Aman, Q Al-Mdallal, I Khan - Journal of King Saud University-Science, 2020 - Elsevier
This work explores the effect of second order slip on magnetohydrodynamic (MHD) flow of a
fractional Maxwell fluid on a moving plate and a comparison between two numerical …

Chaos synchronization of fractional chaotic maps based on the stability condition

GC Wu, D Baleanu, HP Xie, FL Chen - Physica A: Statistical Mechanics and …, 2016 - Elsevier
In the fractional calculus, one of the main challenges is to find suitable models which are
properly described by discrete derivatives with memory. Fractional Logistic map and …

Discrete tempered fractional calculus for new chaotic systems with short memory and image encryption

T Abdeljawad, S Banerjee, GC Wu - Optik, 2020 - Elsevier
Fractional derivatives with memory effects have been widely used in image processing. This
study investigates a discrete analogy of tempered fractional calculus on an isolated time …

Hadamard fractional calculus on time scales

TT Song, GC Wu, JL Wei - Fractals, 2022 - World Scientific
This study defines a Hadamard fractional sum by use of the time-scale theory. Then ah-
fractional difference is given and fundamental theorems are proved. Initial value problems of …