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Analysis On The Efficiency Of Statistical Measures To Identify Network Structure Of Chaos Coupled Systems

Author

Listed:
  • YUTA UEOKA

    (Graduate School of Engineering, Doshisha University, 1-3 Tatara-Miyakodani, Kyotanabe-shi, Kyoto 610-0321, Japan)

  • TOMOYA SUZUKI

    (Department of Intelligent Systems Engineering, College of Engineering, Ibaraki University, 4-12-1 Nakanarisawa-cho, Hitachi, Ibaraki 316-8511, Japan)

  • SEIICHI YAMAMOTO

    (Graduate School of Engineering, Doshisha University, 1-3 Tatara-Miyakodani, Kyotanabe-shi, Kyoto 610-0321, Japan)

Abstract

Real systems often show complex behavior due to interaction among many elements composing a large-scale network. To model and predict these systems, it is desired to estimate network structures by using only time-series data observed as behavior of systems. Although several kinds of estimation techniques have been proposed, the optimum technique might be different according to properties of systems. To analyze the possibility, we estimate interactions of chaos coupled systems by four typical types of estimation techniques. For numerical simulations, we adopt the coupled map lattice, which is a model of large-scale complex systems, and we modify it so as to control the degree of synchronization and the instability of systems by changing the coupling strength and the topology of interaction among elements. As results, we can confirm that the optimum technique depends on properties of system, and then we clarify the reason from the viewpoint of synchronization and the Lyapunov exponents. Moreover, as an application, we predict future behavior of each element with new prediction model based on estimated interactions, and we demonstrate the efficiency of this prediction method.

Suggested Citation

  • Yuta Ueoka & Tomoya Suzuki & Seiichi Yamamoto, 2010. "Analysis On The Efficiency Of Statistical Measures To Identify Network Structure Of Chaos Coupled Systems," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 21(08), pages 1065-1079.
    • Handle: RePEc:wsi:ijmpcx:v:21:y:2010:i:08:n:s0129183110015671
    DOI: 10.1142/S0129183110015671
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