Hopf bifurcation in delayed nutrient-microorganism model with network structure

Autor: Mengxin Chen, Qianqian Zheng, Ranchao Wu, Liping Chen
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Journal of Biological Dynamics, Vol 16, Iss 1, Pp 1-13 (2022)
Druh dokumentu: article
ISSN: 1751-3758
1751-3766
17513758
DOI: 10.1080/17513758.2021.2020915
Popis: In this paper, we introduce and deal with the delayed nutrient-microorganism model with a random network structure. By employing time delay τ as the main critical value of the Hopf bifurcation, we investigate the direction of the Hopf bifurcation of such a random network nutrient-microorganism model. Noticing that the results of the direction of the Hopf bifurcation in a random network model are rare, we thus try to use the method of multiple time scales (MTS) to derive amplitude equation and determine the direction of the Hopf bifurcation. It is showed that the delayed random network nutrient-microorganism model can exhibit a supercritical or subcritical Hopf bifurcation. Numerical experiments are performed to verify the validity of the theoretical analysis.
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