Synchronization of Coupled Nonidentical Genetic Oscillators

Details Synchronization of Coupled Nonidentical Genetic Oscillators Synchronization of Coupled Nonidentical Genetic Oscillators

2006-02-10

arxiv.org/abs/nlin/0602021v1

Physical Biology 3 (2006) 37-44

Nonlinear Sciences

Chaotic Dynamics

16 pages, 3 figures

Scientific paper

10.1088/1478-3975/3/1/004

The study on the collective dynamics of synchronization among genetic oscillators is essential for the understanding of the rhythmic phenomena of living organisms at both molecular and cellular levels. Genetic oscillators are biochemical networks, which can generally be modelled as nonlinear dynamic systems. We show in this paper that many genetic oscillators can be transformed into Lur'e form by exploiting the special structure of biological systems. By using control theory approach, we provide a theoretical method for analyzing the synchronization of coupled nonidentical genetic oscillators. Sufficient conditions for the synchronization as well as the estimation of the bound of the synchronization error are also obtained. To demonstrate the effectiveness of our theoretical results, a population of genetic oscillators based on the Goodwin model are adopted as numerical examples.

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