Nonlinear Dynamical System and Its Applications

A special issue of Axioms (ISSN 2075-1680). This special issue belongs to the section "Mathematical Analysis".

Deadline for manuscript submissions: 29 December 2025 | Viewed by 1120

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Guest Editor
College of Science, Northeast Forestry University, Harbin 150040, China
Interests: functional differential equations (bifurcation theory and numerical analysis); reaction diffusion equation (bifurcation theory of and its application); mathematical biology (predator-prey model)
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Special Issue Information

Dear Colleagues,

Using functional analysis, topological methods, and algebraic approaches to study dynamical systems has become increasingly central to the theory of dynamical systems, attracting significant interest from researchers in recent years. These advanced mathematical techniques provide an elementary framework for analyzing structures, behaviors, and evolutions; they help in establishing a deep understanding of their qualitative and quantitative properties. On the other hand, dynamical system modeling has been widely applied to describe complex behaviors in nearly all areas of science and engineering, from physics and biology to economics and control theory. This Special Issue invites papers on innovative theoretical developments and practical applications of dynamical systems, particularly emphasizing the integration of mathematical techniques such as operator theory, differential geometry, spectral theory, and algebraic topology. The goal is to showcase recent mathematical advancements in dynamical systems and their applications to interdisciplinary fields.

Potential topics include, but are not limited to, the following:

  • Newly analyzed mathematical theories in dynamical systems, including functional analytic and topological approaches;
  • Qualitative behaviors of dynamical systems, such as attractors, invariant manifolds, and ergodic properties;
  • Dynamical properties, including stability, bifurcation, chaos, and Hamiltonian dynamics;
  • Numerical methods and computational algorithms for dynamical systems;
  • Simulation analytics and data-driven approaches in dynamical systems;
  • Applications of dynamical systems in engineering, physics, medicine, and economics (mainly focuses on mathematical modeling and analysis).

This proposal aims to highlight the synergy effect between pure and applied mathematics in advancing the understanding of dynamical systems and their real-world applications.

Prof. Dr. Ruizhi Yang
Guest Editor

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Keywords

  • differential equations/systems
  • stability analysis
  • dynamic system
  • local and global dynamics
  • chaos and bifurcations
  • complex systems
  • mathematical model

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Published Papers (2 papers)

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Research

22 pages, 981 KB  
Article
Analysis of the Dynamic Properties of a Discrete Epidemic Model Affected by Media Coverage
by Yanfang Liang and Wenlong Wang
Axioms 2025, 14(9), 681; https://doi.org/10.3390/axioms14090681 - 4 Sep 2025
Viewed by 415
Abstract
This study investigates the dynamic behaviors of the discrete epidemic model influenced by media coverage through integrated analytical and numerical approaches. The primary objective is to quantitatively assess the impact of media coverage on disease outbreak patterns using mathematical modeling. Firstly, the Euler [...] Read more.
This study investigates the dynamic behaviors of the discrete epidemic model influenced by media coverage through integrated analytical and numerical approaches. The primary objective is to quantitatively assess the impact of media coverage on disease outbreak patterns using mathematical modeling. Firstly, the Euler method is used to discretize the model (2), and the periodic solution is strictly analyzed. Secondly, the coefficients and conditions of restricted flip and Neimark–Sacker bifurcation are studied by using the center manifold theorem and bifurcation theory. By calculating the largest Lyapunov exponent near the critical bifurcation point, the occurrence of chaos and limit cycles is proved. On this basis, the chaotic control of the system is carried out by using state feedback and hybrid control. Under certain conditions, the chaos and bifurcation of the system can be stabilized by control strategies. Numerical simulations further reveal bifurcation dynamics, chaotic behaviors, and control technologies. Our results show that media coverage is a key factor in regulating the intensity of disease transmission and chaos. The control technology can effectively prevent the large-scale outbreak of epidemic diseases. Importantly, enhanced media coverage can effectively promote public awareness and defensive behaviors, thereby contributing to the mitigation of disease transmission. Full article
(This article belongs to the Special Issue Nonlinear Dynamical System and Its Applications)
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37 pages, 45303 KB  
Article
Dynamic Analysis and Application of 6D Multistable Memristive Chaotic System with Wide Range of Hyperchaotic States
by Fei Yu, Yumba Musoya Gracia, Rongyao Guo, Zhijie Ying, Jiarong Xu, Wei Yao, Jie Jin and Hairong Lin
Axioms 2025, 14(8), 638; https://doi.org/10.3390/axioms14080638 - 15 Aug 2025
Cited by 2 | Viewed by 421
Abstract
In this study, we present a novel, six-dimensional, multistable, memristive, hyperchaotic system model demonstrating two positive Lyapunov exponents. With the maximum Lyapunov exponents surpassing 21, the developed system shows pronounced hyperchaotic behavior. The dynamical behavior was analyzed through phase portraits, bifurcation diagrams, and [...] Read more.
In this study, we present a novel, six-dimensional, multistable, memristive, hyperchaotic system model demonstrating two positive Lyapunov exponents. With the maximum Lyapunov exponents surpassing 21, the developed system shows pronounced hyperchaotic behavior. The dynamical behavior was analyzed through phase portraits, bifurcation diagrams, and Lyapunov exponent spectra. Parameter b was a key factor in regulating the dynamical behavior of the system, mainly affecting the strength and direction of the influence of z1 on z2. It was found that when the system parameter b was within a wide range of [13,300], the system remained hyperchaotic throughout. Analytical establishment of multistability mechanisms was achieved through invariance analysis of the state variables under specific coordinate transformations. Furthermore, offset boosting control was realized by strategically modulating the fifth state variable, z5. The FPGA-based experimental results demonstrated that attractors observed via an oscilloscope were in close agreement with numerical simulations. To validate the system’s reliability for cybersecurity applications, we designed a novel image encryption method utilizing this hyperchaotic model. The information entropy of the proposed encryption algorithm was closer to the theoretical maximum value of 8. This indicated that the system can effectively disrupt statistical patterns. Experimental outcomes confirmed that the proposed image encryption method based on the hyperchaotic system exhibits both efficiency and reliability. Full article
(This article belongs to the Special Issue Nonlinear Dynamical System and Its Applications)
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