The Bifurcation of Two Invariant Closed Curves in a Discrete Model

A discrete population model integrated using the forward Euler method is investigated. The qualitative bifurcation analysis indicates that the model exhibits rich dynamical behaviors including the existence of the equilibrium state, the flip bifurcation, the Neimark-Sacker bifurcation, and two invar...

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Main Authors: Yingying Zhang, Yicang Zhou
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Discrete Dynamics in Nature and Society
Online Access:http://dx.doi.org/10.1155/2018/1613709
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author Yingying Zhang
Yicang Zhou
author_facet Yingying Zhang
Yicang Zhou
author_sort Yingying Zhang
collection DOAJ
description A discrete population model integrated using the forward Euler method is investigated. The qualitative bifurcation analysis indicates that the model exhibits rich dynamical behaviors including the existence of the equilibrium state, the flip bifurcation, the Neimark-Sacker bifurcation, and two invariant closed curves. The conditions for existence of these bifurcations are derived by using the center manifold and bifurcation theory. Numerical simulations and bifurcation diagrams exhibit the complex dynamical behaviors, especially the occurrence of two invariant closed curves.
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institution Kabale University
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publishDate 2018-01-01
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series Discrete Dynamics in Nature and Society
spelling doaj-art-9fcacf2520424c9fa6ca9cd29c1461322025-02-03T01:24:34ZengWileyDiscrete Dynamics in Nature and Society1026-02261607-887X2018-01-01201810.1155/2018/16137091613709The Bifurcation of Two Invariant Closed Curves in a Discrete ModelYingying Zhang0Yicang Zhou1School of Mathematics and Statistics, Xi’an Jiaotong University, Xi’an 710049, ChinaSchool of Mathematics and Statistics, Xi’an Jiaotong University, Xi’an 710049, ChinaA discrete population model integrated using the forward Euler method is investigated. The qualitative bifurcation analysis indicates that the model exhibits rich dynamical behaviors including the existence of the equilibrium state, the flip bifurcation, the Neimark-Sacker bifurcation, and two invariant closed curves. The conditions for existence of these bifurcations are derived by using the center manifold and bifurcation theory. Numerical simulations and bifurcation diagrams exhibit the complex dynamical behaviors, especially the occurrence of two invariant closed curves.http://dx.doi.org/10.1155/2018/1613709
spellingShingle Yingying Zhang
Yicang Zhou
The Bifurcation of Two Invariant Closed Curves in a Discrete Model
Discrete Dynamics in Nature and Society
title The Bifurcation of Two Invariant Closed Curves in a Discrete Model
title_full The Bifurcation of Two Invariant Closed Curves in a Discrete Model
title_fullStr The Bifurcation of Two Invariant Closed Curves in a Discrete Model
title_full_unstemmed The Bifurcation of Two Invariant Closed Curves in a Discrete Model
title_short The Bifurcation of Two Invariant Closed Curves in a Discrete Model
title_sort bifurcation of two invariant closed curves in a discrete model
url http://dx.doi.org/10.1155/2018/1613709
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