Hopf Bifurcation of an Epidemic Model with Delay.

A spatiotemporal epidemic model with nonlinear incidence rate and Neumann boundary conditions is investigated. On the basis of the analysis of eigenvalues of the eigenpolynomial, we derive the conditions of the existence of Hopf bifurcation in one dimension space. By utilizing the normal form theory...

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Main Authors: Li-Peng Song, Xiao-Qiang Ding, Li-Ping Feng, Qiong Shi
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2016-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4909215?pdf=render
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author Li-Peng Song
Xiao-Qiang Ding
Li-Ping Feng
Qiong Shi
author_facet Li-Peng Song
Xiao-Qiang Ding
Li-Ping Feng
Qiong Shi
author_sort Li-Peng Song
collection DOAJ
description A spatiotemporal epidemic model with nonlinear incidence rate and Neumann boundary conditions is investigated. On the basis of the analysis of eigenvalues of the eigenpolynomial, we derive the conditions of the existence of Hopf bifurcation in one dimension space. By utilizing the normal form theory and the center manifold theorem of partial functional differential equations (PFDs), the properties of bifurcating periodic solutions are analyzed. Moreover, according to numerical simulations, it is found that the periodic solutions can emerge in delayed epidemic model with spatial diffusion, which is consistent with our theoretical results. The obtained results may provide a new viewpoint for the recurrent outbreak of disease.
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spelling doaj.art-b6869bb2fa1149159e8cc140f62cc1a82022-12-21T19:16:33ZengPublic Library of Science (PLoS)PLoS ONE1932-62032016-01-01116e015736710.1371/journal.pone.0157367Hopf Bifurcation of an Epidemic Model with Delay.Li-Peng SongXiao-Qiang DingLi-Ping FengQiong ShiA spatiotemporal epidemic model with nonlinear incidence rate and Neumann boundary conditions is investigated. On the basis of the analysis of eigenvalues of the eigenpolynomial, we derive the conditions of the existence of Hopf bifurcation in one dimension space. By utilizing the normal form theory and the center manifold theorem of partial functional differential equations (PFDs), the properties of bifurcating periodic solutions are analyzed. Moreover, according to numerical simulations, it is found that the periodic solutions can emerge in delayed epidemic model with spatial diffusion, which is consistent with our theoretical results. The obtained results may provide a new viewpoint for the recurrent outbreak of disease.http://europepmc.org/articles/PMC4909215?pdf=render
spellingShingle Li-Peng Song
Xiao-Qiang Ding
Li-Ping Feng
Qiong Shi
Hopf Bifurcation of an Epidemic Model with Delay.
PLoS ONE
title Hopf Bifurcation of an Epidemic Model with Delay.
title_full Hopf Bifurcation of an Epidemic Model with Delay.
title_fullStr Hopf Bifurcation of an Epidemic Model with Delay.
title_full_unstemmed Hopf Bifurcation of an Epidemic Model with Delay.
title_short Hopf Bifurcation of an Epidemic Model with Delay.
title_sort hopf bifurcation of an epidemic model with delay
url http://europepmc.org/articles/PMC4909215?pdf=render
work_keys_str_mv AT lipengsong hopfbifurcationofanepidemicmodelwithdelay
AT xiaoqiangding hopfbifurcationofanepidemicmodelwithdelay
AT lipingfeng hopfbifurcationofanepidemicmodelwithdelay
AT qiongshi hopfbifurcationofanepidemicmodelwithdelay