Abstract
This paper reports a bidirectional ring network model with delay. Zero-Hopf bifurcation is studied by using the center manifold reduction and the normal form method for retarded functional differential equation. We get the versal unfolding of the norm forms at the zero-Hopf singularity and show that the model can exhibit pitchfork and Hopf bifurcation. Some numerical simulations are given to support the analytic results, and near the zero-Hopf singularity point, this model displays quasi-periodic, double periodic and multiple periodic trajectory.
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Acknowledgments
This work is supported by Fundamental Research Funds for the Central Universities (Project No. XDJK2014C118, SWU114007) and Natural Science Foundation of China (Grant no: 61374078), and also supported by the Natural Science Foundation Project of Chongqing CSTC (Grant no. cstc2014jcyjA40014). This publication was made possible by NPRP Grant No. NPRP 4-1162-1-181 from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the authors.
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He, X., Li, C., Huang, T. et al. Zero-Hopf singularity in bidirectional ring network model with delay. Nonlinear Dyn 78, 2605–2616 (2014). https://doi.org/10.1007/s11071-014-1612-x
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DOI: https://doi.org/10.1007/s11071-014-1612-x