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      Complex network from time series based on phase space reconstruction.

      Chaos (Woodbury, N.Y.)
      Action Potentials, physiology, Biological Clocks, Computer Simulation, Models, Neurological, Nerve Net, Neurons, Nonlinear Dynamics, Oscillometry, methods, Synaptic Transmission

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          Abstract

          We propose in this paper a reliable method for constructing complex networks from a time series with each vector point of the reconstructed phase space represented by a single node and edge determined by the phase space distance. Through investigating an extensive range of network topology statistics, we find that the constructed network inherits the main properties of the time series in its structure. Specifically, periodic series and noisy series convert into regular networks and random networks, respectively, and networks generated from chaotic series typically exhibit small-world and scale-free features. Furthermore, we associate different aspects of the dynamics of the time series with the topological indices of the network and demonstrate how such statistics can be used to distinguish different dynamical regimes. Through analyzing the chaotic time series corrupted by measurement noise, we also indicate the good antinoise ability of our method.

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