Rich Dynamics Caused by a Fractional Diffusion Operator in Nonchaotic Rulkov Maps

There are few works about Neimark–Sacker bifurcating analysis on discrete dynamical systems with linear diffusion and delayed coupling under periodic/Neumann-boundary conditions. In this paper, we build up the framework for Neimark–Sacker bifurcations caused by Turing instability on high-dimensional...

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Main Authors: Huanqin Hu, Mingshu Peng, Yingfei Qi
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Fractal and Fractional
Subjects:
Online Access:https://www.mdpi.com/2504-3110/8/12/716
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author Huanqin Hu
Mingshu Peng
Yingfei Qi
author_facet Huanqin Hu
Mingshu Peng
Yingfei Qi
author_sort Huanqin Hu
collection DOAJ
description There are few works about Neimark–Sacker bifurcating analysis on discrete dynamical systems with linear diffusion and delayed coupling under periodic/Neumann-boundary conditions. In this paper, we build up the framework for Neimark–Sacker bifurcations caused by Turing instability on high-dimensional discrete-time dynamical systems with symmetrical property in the linearized system. The fractional diffusion operator in higher-dimensional discrete dynamical systems is introduced and regular/chaotic Turing patterns are discovered by the computation of the largest Lyapunov exponents.
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spelling doaj-art-6cc884e958964027981754326db0d9ff2025-08-20T02:53:38ZengMDPI AGFractal and Fractional2504-31102024-12-0181271610.3390/fractalfract8120716Rich Dynamics Caused by a Fractional Diffusion Operator in Nonchaotic Rulkov MapsHuanqin Hu0Mingshu Peng1Yingfei Qi2College of Mathematics and Statistics, Beijing Jiaotong University, Beijing 100044, ChinaCollege of Mathematics and Statistics, Beijing Jiaotong University, Beijing 100044, ChinaCollege of Mathematics and Statistics, Beijing Jiaotong University, Beijing 100044, ChinaThere are few works about Neimark–Sacker bifurcating analysis on discrete dynamical systems with linear diffusion and delayed coupling under periodic/Neumann-boundary conditions. In this paper, we build up the framework for Neimark–Sacker bifurcations caused by Turing instability on high-dimensional discrete-time dynamical systems with symmetrical property in the linearized system. The fractional diffusion operator in higher-dimensional discrete dynamical systems is introduced and regular/chaotic Turing patterns are discovered by the computation of the largest Lyapunov exponents.https://www.mdpi.com/2504-3110/8/12/716nonchaotic Rulkov modeldiscrete-time fractional diffusion operatorNeimark–Sacker bifurcationTuring patternsspatio–temporal chaos
spellingShingle Huanqin Hu
Mingshu Peng
Yingfei Qi
Rich Dynamics Caused by a Fractional Diffusion Operator in Nonchaotic Rulkov Maps
Fractal and Fractional
nonchaotic Rulkov model
discrete-time fractional diffusion operator
Neimark–Sacker bifurcation
Turing patterns
spatio–temporal chaos
title Rich Dynamics Caused by a Fractional Diffusion Operator in Nonchaotic Rulkov Maps
title_full Rich Dynamics Caused by a Fractional Diffusion Operator in Nonchaotic Rulkov Maps
title_fullStr Rich Dynamics Caused by a Fractional Diffusion Operator in Nonchaotic Rulkov Maps
title_full_unstemmed Rich Dynamics Caused by a Fractional Diffusion Operator in Nonchaotic Rulkov Maps
title_short Rich Dynamics Caused by a Fractional Diffusion Operator in Nonchaotic Rulkov Maps
title_sort rich dynamics caused by a fractional diffusion operator in nonchaotic rulkov maps
topic nonchaotic Rulkov model
discrete-time fractional diffusion operator
Neimark–Sacker bifurcation
Turing patterns
spatio–temporal chaos
url https://www.mdpi.com/2504-3110/8/12/716
work_keys_str_mv AT huanqinhu richdynamicscausedbyafractionaldiffusionoperatorinnonchaoticrulkovmaps
AT mingshupeng richdynamicscausedbyafractionaldiffusionoperatorinnonchaoticrulkovmaps
AT yingfeiqi richdynamicscausedbyafractionaldiffusionoperatorinnonchaoticrulkovmaps