Hopf bifurcation and multiple limit cycles in bio-chemical reaction of the morphogenesis process |
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Authors: | Siyuan Wang Xuncheng Huang Lemin Zhu Minaya Villasana |
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Institution: | 1.Yangzhou Polytechnic University,Yangzhou,China;2.RDS Research Center, Infront CORP,Kearny,USA;3.Universidad Simon Bolivar,Caracas,Venezuela |
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Abstract: | Morphogenetic process is an interesting but very hard bio-chemical problem. In this paper, we consider a bio-chemical model
in temporal morphogenesis which is a generalization of the model studied by Gierer–Meinhardt. By using the theory of ordinary
differential equations, it is shown that the model undergoes a Hopf bifurcation if the parameters in the model satisfy the
following relationship: λ = 2/(ρ
2 + x*)−1. It is also proved that the close orbit created by the Hopf bifurcation is stable. The conditions that guarantee the
system has three closely nested limit cycles are also obtained in the paper. |
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Keywords: | |
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