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1,019 Results Found

  • Article
  • Open Access
9 Citations
2,327 Views
13 Pages

Dynamical degradation is a known problem in the computer simulation of chaotic systems. Data type limitations, sampling, and rounding errors give rise to the periodic behavior. In applications of chaotic systems in secure communication and cryptograp...

  • Article
  • Open Access
1 Citations
983 Views
24 Pages

This paper investigates the complex dynamics and fractal attractors that arise in a 60-dimensional ring lattice system of electrically coupled nonchaotic Rulkov neurons. While networks of chaotic Rulkov neurons have been widely studied, systems of no...

  • Article
  • Open Access
5 Citations
1,326 Views
16 Pages

It is of practical significance to realize a stable and controllable financial system by using chaotic synchronization theory. In this paper, the dynamics and synchronization are studied for a class of fractional-order chaotic financial systems. Firs...

  • Article
  • Open Access
23 Citations
4,201 Views
15 Pages

A New No Equilibrium Fractional Order Chaotic System, Dynamical Investigation, Synchronization, and Its Digital Implementation

  • Zain-Aldeen S. A. Rahman,
  • Basil H. Jasim,
  • Yasir I. A. Al-Yasir,
  • Raed A. Abd-Alhameed and
  • Bilal Naji Alhasnawi

In this paper, a new fractional order chaotic system without equilibrium is proposed, analytically and numerically investigated, and numerically and experimentally tested. The analytical and numerical investigations were used to describe the system’s...

  • Article
  • Open Access
19 Citations
2,772 Views
21 Pages

Image Security Based on Three-Dimensional Chaotic System and Random Dynamic Selection

  • Bo Ran,
  • Tianshuo Zhang,
  • Lihong Wang,
  • Sheng Liu and
  • Xiaoyi Zhou

10 July 2022

Image encryption based on a chaos system can effectively protect the privacy of digital images. It is said that a 3D chaotic system has a larger parameter range, better unpredictability and more complex behavior compared to low-dimension chaotic syst...

  • Article
  • Open Access
1 Citations
1,742 Views
15 Pages

27 December 2023

This paper focuses on the relationship between a non-autonomous discrete dynamical system (NDDS) (H,f1,∞) and its induced set-valued discrete dynamical systems (K(H),f¯1,∞). Specifically, it explores the chaotic properties of these s...

  • Article
  • Open Access
852 Views
28 Pages

10 November 2025

We develop a four-dimensional nonlinear model of a reflexive financial system by extending the Xin–Zhang system with a self-reinforcing sentiment channel. The model comprises four interacting variables—interest rate, investment demand, pr...

  • Article
  • Open Access
1 Citations
1,742 Views
13 Pages

15 November 2024

This paper explores the capabilities of two types of recurrent neural networks, unidirectional and bidirectional long short-term memory networks, to build a surrogate model for a coupled fast–slow dynamic system and predicting its nonlinear cha...

  • Article
  • Open Access
1,042 Views
19 Pages

Weighted Color Image Encryption Algorithm Based on RNA Extended Dynamic Coding and Quantum Chaotic System

  • Xiangyu Zhang,
  • Heping Wen,
  • Wei Feng,
  • Shenghao Kang,
  • Zhiyu Xie,
  • Xuexi Zhang and
  • Yiting Lin

11 August 2025

The rapid development of Internet technology, while providing convenient services for users, has also aroused deep concern among the public about the issue of privacy leakage during image data transmission. To address this situation, this article pro...

  • Article
  • Open Access
10 Citations
6,038 Views
11 Pages

27 April 2015

A projective synchronization scheme for a kind of n-dimensional discrete dynamical system is proposed by means of a linear feedback control technique. The scheme consists of master and slave discrete dynamical systems coupled by linear state error va...

  • Article
  • Open Access
1 Citations
836 Views
20 Pages

1 November 2025

This study applies reinforcement learning to search parameter regimes that yield chaotic dynamics across six systems: the Logistic map, the Hénon map, the Lorenz system, Chua’s circuit, the Lorenz–Haken model, and a custom 5D hyper...

  • Article
  • Open Access
19 Citations
5,131 Views
14 Pages

Chaotic Dynamical State Variables Selection Procedure Based Image Encryption Scheme

  • Zia Bashir,
  • Jarosław Wątróbski,
  • Tabasam Rashid,
  • Sohail Zafar and
  • Wojciech Sałabun

11 December 2017

Nowadays, in the modern digital era, the use of computer technologies such as smartphones, tablets and the Internet, as well as the enormous quantity of confidential information being converted into digital form have resulted in raised security issue...

  • Review
  • Open Access
114 Citations
8,393 Views
18 Pages

A Review of Chaotic Systems Based on Memristive Hopfield Neural Networks

  • Hairong Lin,
  • Chunhua Wang,
  • Fei Yu,
  • Jingru Sun,
  • Sichun Du,
  • Zekun Deng and
  • Quanli Deng

11 March 2023

Since the Lorenz chaotic system was discovered in 1963, the construction of chaotic systems with complex dynamics has been a research hotspot in the field of chaos. Recently, memristive Hopfield neural networks (MHNNs) offer great potential in the de...

  • Article
  • Open Access
1 Citations
2,495 Views
17 Pages

19 May 2023

Recent work has highlighted the vast array of dynamics possible within both neuronal networks and individual neural models. In this work, we demonstrate the capability of interacting chaotic Hindmarsh–Rose neurons to communicate and transition...

  • Article
  • Open Access
27 Citations
5,350 Views
14 Pages

12 January 2018

Based on the fractional order of nonlinear system for love model with a periodic function as an external environment, we analyze the characteristics of the chaotic dynamic. We analyze the relationship between the chaotic dynamic of the fractional ord...

  • Article
  • Open Access
6 Citations
981 Views
14 Pages

Efficient Numerical Techniques for Investigating Chaotic Behavior in the Fractional-Order Inverted Rössler System

  • Mohamed Elbadri,
  • Dalal M. AlMutairi,
  • D. K. Almutairi,
  • Abdelgabar Adam Hassan,
  • Walid Hdidi and
  • Mohamed A. Abdoon

18 March 2025

In this study, the numerical scheme for the Caputo fractional derivative (NCFD) method and the He–Laplace method (H-LM) are two powerful methods used for analyzing fractional-order systems. These two approaches are used in the study of the comp...

  • Article
  • Open Access
8 Citations
1,867 Views
17 Pages

6 January 2023

Pseudorandom number generators (PRNGs) have always been a central research topic in data science, and chaotic dynamical systems are one of the means to obtain scientifically proven data. Chaotic dynamical systems have the property that they have a se...

  • Article
  • Open Access
1 Citations
1,043 Views
32 Pages

18 August 2025

With the rapid advancement of information technology, as critical information carriers, images are confronted with significant security risks. To ensure the image security, this paper proposes an image encryption algorithm based on a dynamic rhombus...

  • Article
  • Open Access
2 Citations
3,308 Views
15 Pages

10 January 2023

Chaotic baseband wireless communication system (CBWCS) suffers bit error rate (BER) degradation due to their intrinsic intersymbol interference (ISI). To this end, an ISI-free chaotic filter based on root-raised-cosine (RRC) division is constructed t...

  • Article
  • Open Access
1 Citations
2,875 Views
18 Pages

Correlation Functions of Quantum Artin System

  • Hrachya Babujian,
  • Rubik Poghossian and
  • George Savvidy

It was conjectured by Maldacena, Shenker and Stanford that the classical chaos can be diagnosed in thermal quantum systems by using an out-of-time-order correlation function. The Artin dynamical system defined on the fundamental region of the modular...

  • Article
  • Open Access
38 Citations
3,773 Views
15 Pages

Synchronization of a Non-Equilibrium Four-Dimensional Chaotic System Using a Disturbance-Observer-Based Adaptive Terminal Sliding Mode Control Method

  • Shaojie Wang,
  • Amin Yousefpour,
  • Abdullahi Yusuf,
  • Hadi Jahanshahi,
  • Raúl Alcaraz,
  • Shaobo He and
  • Jesus M. Munoz-Pacheco

27 February 2020

In this paper, dynamical behavior and synchronization of a non-equilibrium four-dimensional chaotic system are studied. The system only includes one constant term and has hidden attractors. Some dynamical features of the governing system, such as inv...

  • Article
  • Open Access
121 Citations
6,710 Views
28 Pages

A Novel Hybrid Secure Image Encryption Based on Julia Set of Fractals and 3D Lorenz Chaotic Map

  • Fawad Masood,
  • Jawad Ahmad,
  • Syed Aziz Shah,
  • Sajjad Shaukat Jamal and
  • Iqtadar Hussain

28 February 2020

Chaos-based encryption schemes have attracted many researchers around the world in the digital image security domain. Digital images can be secured using existing chaotic maps, multiple chaotic maps, and several other hybrid dynamic systems that enha...

  • Article
  • Open Access
23 Citations
3,150 Views
27 Pages

16 December 2021

Fractional-order chaotic systems have more complex dynamics than integer-order chaotic systems. Thus, investigating fractional chaotic systems for the creation of image cryptosystems has been popular recently. In this article, a fractional-order memr...

  • Article
  • Open Access
1,398 Views
30 Pages

FPGA Implementation of Secure Image Transmission System Using 4D and 5D Fractional-Order Memristive Chaotic Oscillators

  • Jose-Cruz Nuñez-Perez,
  • Opeyemi-Micheal Afolabi,
  • Vincent-Ademola Adeyemi,
  • Yuma Sandoval-Ibarra and
  • Esteban Tlelo-Cuautle

With the rapid proliferation of real-time digital communication, particularly in multimedia applications, securing transmitted image data has become a vital concern. While chaotic systems have shown strong potential for cryptographic use, most existi...

  • Article
  • Open Access
86 Citations
5,539 Views
15 Pages

Entropy Analysis and Neural Network-Based Adaptive Control of a Non-Equilibrium Four-Dimensional Chaotic System with Hidden Attractors

  • Hadi Jahanshahi,
  • Maryam Shahriari-Kahkeshi,
  • Raúl Alcaraz,
  • Xiong Wang,
  • Vijay P. Singh and
  • Viet-Thanh Pham

7 February 2019

Today, four-dimensional chaotic systems are attracting considerable attention because of their special characteristics. This paper presents a non-equilibrium four-dimensional chaotic system with hidden attractors and investigates its dynamical behavi...

  • Article
  • Open Access
747 Views
15 Pages

Perfect Projective Synchronization of a Class of Fractional-Order Chaotic Systems Through Stabilization near the Origin via Fractional-Order Backstepping Control

  • Abdelhamid Djari,
  • Riadh Djabri,
  • Abdelaziz Aouiche,
  • Noureddine Bouarroudj,
  • Yehya Houam,
  • Maamar Bettayeb,
  • Mohamad A. Alawad and
  • Yazeed Alkhrijah

This study introduces a novel control strategy aimed at achieving projective synchronization in incommensurate fractional-order chaotic systems (IFOCS). The approach integrates the mathematical framework of fractional calculus with the recursive stru...

  • Article
  • Open Access
14 Citations
2,782 Views
30 Pages

Efficient Colour Image Encryption Algorithm Using a New Fractional-Order Memcapacitive Hyperchaotic System

  • Zain-Aldeen S. A. Rahman,
  • Basil H. Jasim,
  • Yasir I. A. Al-Yasir and
  • Raed A. Abd-Alhameed

In comparison with integer-order chaotic systems, fractional-order chaotic systems exhibit more complex dynamics. In recent years, research into fractional chaotic systems for the utilization of image cryptosystems has become increasingly highlighted...

  • Article
  • Open Access
29 Citations
3,292 Views
20 Pages

A New Type-3 Fuzzy Logic Approach for Chaotic Systems: Robust Learning Algorithm

  • Man-Wen Tian,
  • Shu-Rong Yan,
  • Jinping Liu,
  • Khalid A. Alattas,
  • Ardashir Mohammadzadeh and
  • Mai The Vu

25 July 2022

The chaotic systems have extensive applications in various branches of engineering problems such as financial problems, image processing, secure communications, and medical problems, among many others. In most applications, a synchronization needs to...

  • Article
  • Open Access
11 Citations
2,833 Views
9 Pages

The main idea of this paper is to study the chaotic behavior of Zakharov–Kuznetsov equation with perturbation. By taking the traveling wave transformation, we transform the perturbed Zakharov–Kuznetsov equation with dual-power law and tri...

  • Article
  • Open Access
1 Citations
2,184 Views
24 Pages

Coupled and Synchronization Models of Rhythmic Arm Movement in Planar Plane

  • Affiani Machmudah,
  • Denys Dutykh and
  • Setyamartana Parman

Nonlinear dynamics have become a new perspective on model human movement variability; however, it is still a debate whether chaotic behavior is indeed possible to present during a rhythmic movement. This paper reports on the nonlinear dynamical behav...

  • Article
  • Open Access
590 Views
18 Pages

Delayed Feedback Chaos Control on a Cournot Game with Relative Profit Maximization

  • Kosmas Papadopoulos,
  • Georges Sarafopoulos and
  • Evangelos Ioannidis

22 July 2025

This article concerns a Cournot duopoly game with homogeneous expectations. The cost functions of the two players are assumed to be asymmetric to capture possible asymmetries in firms’ technologies or firms’ input costs. Large values of t...

  • Article
  • Open Access
657 Views
22 Pages

1 August 2025

This study investigates a modified five-dimensional chaotic system by incorporating structural term adjustments and Caputo fractional-order differential operators. The modified system exhibits significantly enriched dynamic behaviors, including offse...

  • Feature Paper
  • Article
  • Open Access
353 Views
18 Pages

The Shape of Chaos: A Geometric Perspective on Characterizing Chaos

  • José Luis Echenausía-Monroy,
  • Luis Javier Ontañón-García,
  • Daniel Alejandro Magallón-García,
  • Guillermo Huerta-Cuellar,
  • Hector Eduardo Gilardi-Velázquez,
  • José Ricardo Cuesta-García,
  • Raúl Rivera-Rodríguez and
  • Joaquín Álvarez

20 December 2025

Chaotic dynamical systems are ubiquitous in nature and modern technology, with applications ranging from secure communications and cryptography to the design of chaos-based sensors and modeling biological phenomena such as arrhythmias and neuronal be...

  • Feature Paper
  • Review
  • Open Access
12 Citations
1,738 Views
22 Pages

13 May 2025

At the end of the 20th century, the rapid development of brain-like dynamics was attributed to the excellent modeling of numerous neurons and neural systems, which effectively simulated biological behaviors observed in the human brain. With the conti...

  • Review
  • Open Access
501 Views
18 Pages

Chaos in Control Systems: A Review of Suppression and Induction Strategies with Industrial Applications

  • Asad Shafique,
  • Georgii Kolev,
  • Oleg Bayazitov,
  • Yulia Bobrova and
  • Ekaterina Kopets

17 December 2025

In control systems, chaos is a natural dualistic phenomenon that can be both a beneficial resource to be used and a negative phenomenon to be avoided. The study examines two opposing paradigms: positive chaotic control, which aims to enhance performa...

  • Article
  • Open Access
3 Citations
1,017 Views
16 Pages

Complex Dynamics in Circular and Deformed Bilayer Graphene-Inspired Billiards with Anisotropy and Strain

  • Lukas Seemann,
  • Jana Lukin,
  • Max Häßler,
  • Sibylle Gemming and
  • Martina Hentschel

28 January 2025

While billiard systems of various shapes have been used as paradigmatic model systems in the fields of nonlinear dynamics and quantum chaos, few studies have investigated anisotropic billiards. Motivated by the tremendous advances in using and contro...

  • Proceeding Paper
  • Open Access
2 Citations
2,601 Views
15 Pages

Improving the Predictive Power of Historical Consistent Neural Networks

  • Rockefeller Rockefeller,
  • Bubacarr Bah,
  • Vukosi Marivate and
  • Hans-Georg Zimmermann

The Historical Consistent Neural Networks (HCNN) are an extension of the standard Recurrent Neural Networks (RNN): they allow the modeling of highly-interacting dynamical systems across multiple time scales. HCNN do not draw any distinction between i...

  • Article
  • Open Access
6 Citations
2,577 Views
21 Pages

27 April 2024

The traditional PID controller in quadrotor UAVs has poor performance, a large overshoot, and a long adjustment time, which limit its stability and accuracy in practical applications. In order to solve this problem, an improved whale optimization fuz...

  • Article
  • Open Access
45 Citations
2,167 Views
19 Pages

The dynamical behavior of the double-chain deoxyribonucleic acid (DNA) system holds significant implications for advancing the understanding of DNA transmission laws in the realms of biology and medicine. This study delves into the investigation of c...

  • Article
  • Open Access
8 Citations
2,696 Views
19 Pages

9 February 2022

Focusing on the identification of dynamic system stability, a hybrid neural network model is proposed in this research for the rotating stall phenomenon in an axial compressor. Based on the data fusion of the amplitude of the spatial mode, the nonlin...

  • Article
  • Open Access
5 Citations
2,598 Views
18 Pages

17 October 2019

Soil salinization is very complex and its evolution is affected by numerous interacting factors produce strong non-linear characteristics. This is the first time fractional order chaos theory has been applied to soil salinization-level classification...

  • Article
  • Open Access
3 Citations
1,983 Views
6 Pages

5 January 2023

We analyze the classical and quantum dynamics of the driven dissipative Bose–Hubbard dimer. Under variation of the driving frequency, the classical system is shown to exhibit a bifurcation to the limit cycle, where its steady-state solution cor...

  • Article
  • Open Access
19 Citations
3,899 Views
18 Pages

Chaotic Dynamics by Some Quadratic Jerk Systems

  • Mei Liu,
  • Bo Sang,
  • Ning Wang and
  • Irfan Ahmad

14 September 2021

This paper is about the dynamical evolution of a family of chaotic jerk systems, which have different attractors for varying values of parameter a. By using Hopf bifurcation analysis, bifurcation diagrams, Lyapunov exponents, and cross sections, both...

  • Article
  • Open Access
5 Citations
2,273 Views
14 Pages

9 December 2022

In this paper, a three-dimensional (3D) autonomous chaotic system is introduced and analyzed. In the system, each equation contains a quadratic crossproduct. The system possesses a chaotic attractor with a large chaotic region. Importantly, the syste...

  • Article
  • Open Access
3 Citations
2,107 Views
19 Pages

8 July 2023

Due to the limitation of machining accuracy, the transmission performance uncertainty of mass gears must be evaluated quantitatively to provide the basis for its application in the whole machine. Based on the polynomial chaotic expansion (PCE) method...

  • Article
  • Open Access
7 Citations
3,053 Views
24 Pages

Scaling Analysis of an Image Encryption Scheme Based on Chaotic Dynamical Systems

  • L. E. Reyes-López,
  • J. S. Murguía,
  • H. González-Aguilar,
  • M. T. Ramírez-Torres,
  • M. Mejía-Carlos and
  • J. O. Armijo-Correa

27 May 2021

Despite that many image encryption systems based on chaotic or hyperchaotic systems have been proposed to protect different kinds of information, it has been crucial to achieve as much security as possible in such systems. In this sense, we numerical...

  • Article
  • Open Access
12 Citations
2,015 Views
20 Pages

A new fractional-order cellular neural network (CNN) system is solved using the Adomian decomposition method (ADM) with the hyperbolic tangent activation function in this paper. The equilibrium point is analyzed in this CNN system. The dynamical beha...

  • Article
  • Open Access
276 Views
39 Pages

22 December 2025

This paper explores the dynamic analogy between the discrete Lorenzian attractor and a modified Kropotov–Pakhomov neural network (MRNN). A one-dimensional peak map is used to extract the successive maxima of the Lorenzian system and preserve th...

  • Article
  • Open Access
291 Views
23 Pages

Control Crisis in Financial Systems with Dynamic Complex Network Approach

  • Hugo G. Venegas,
  • Alejandra Ibarra,
  • Pedro M. Gomez,
  • Eduardo Mendez-Palos,
  • Jorge Galvez,
  • Jesus G. Alvarez and
  • Alma Y. Alanis

8 December 2025

Financial stability in interconnected markets is increasingly challenged by nonlinear interactions that amplify local disturbances into systemic crises. This study models a financial system as a complex network of coupled chaotic nodes, where each no...

  • Article
  • Open Access
2 Citations
1,309 Views
18 Pages

A Comprehensive Study of Dynamical Behavior and Nonlinear Structures of the Modified α Equation

  • Hassan Almusawa,
  • Musawa Yahya Almusawa,
  • Adil Jhangeer and
  • Zamir Hussain

2 December 2024

In this article, the modified α equation is solved using the direct algebraic approach. As a result, numerous new and more generalized exact solutions for such equations have been found, taking into account the wide range of travelling structur...

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