Applied Mathematics and Mechanics (English Edition) ›› 2021, Vol. 42 ›› Issue (3): 441-456.doi: https://doi.org/10.1007/s10483-021-2709-6

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Dynamics of a multiplex neural network with delayed couplings

Xiaochen MAO, Xingyong LI, Weijie DING, Song WANG, Xiangyu ZHOU, Lei QIAO   

  1. Department of Engineering Mechanics, College of Mechanics and Materials, Hohai University, Nanjing 211100, China
  • Received:2020-10-06 Revised:2020-12-16 Published:2021-02-23
  • Contact: Xiaochen MAO E-mail:maochen@hhu.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Nos. 11872169 and 11472097), the Fundamental Research Funds for the Central Universities of China (No. B200202114), and the Natural Science Foundation of Jiangsu Province of China (No. BK20191295)

Abstract: Multiplex networks have drawn much attention since they have been observed in many systems, e.g., brain, transport, and social relationships. In this paper, the nonlinear dynamics of a multiplex network with three neural groups and delayed interactions is studied. The stability and bifurcation of the network equilibrium are discussed, and interesting neural activities of the network are explored. Based on the neuron circuit, transfer function circuit, and time delay circuit, a circuit platform of the network is constructed. It is shown that delayed couplings play crucial roles in the network dynamics, e.g., the enhancement and suppression of the stability, the patterns of the synchronization between networks, and the generation of complicated attractors and multi-stability coexistence.

Key words: neural network, time delay, synchronization, coexisting attractor

2010 MSC Number: 

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