Dynamics of Retrieval Process in Coupled Oscillator Models with Scattered Natural Frequency
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概要
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In this study, we consider the dynamics of the retrieval process in oscillator associative memory models that have frustrations and a distributed natural frequency. By applying the adiabatic approximation to a continuous-time model, we propose a corresponding discrete-time model. We derive maps of order parameters for the discrete-time model, in which the temporal correlations of noise with previous time steps are considered. It is found that the discrete-time model describes the behaviors of the continuous-time model well and that the fourth-order approximation in the map of order parameters is necessary for sufficient agreement with simulation results. The reason for the gaps between simulation results and theoretical results and the limitations of our theory are discussed.
- 2010-11-15
著者
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川口 聡
公立はこだて未来大学複雑系科学科
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Kawaguchi Satoshi
Department Of Complex Systems School Of Systems Information Science Future University
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Kawaguchi Satoshi
Department Of Bioscience And Biotechnology Graduate School Of Natural Science And Technology Okayama
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Kawaguchi Satoshi
Department Of Orthopaedic Surgery Asahikawa-kosei General Hospital
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Kawaguchi Satoshi
Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine
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KAWAGUCHI Satoshi
Department of Complex Systems, School of Systems Information Science, Future University-Hakodate
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KAWAGUCHI Satoshi
Laboratory for Advanced Brain Signal Processing, Brain Science Institute, RIKEN
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Kawaguchi Satoshi
Department of Complex and Intelligent Systems, School of Systems Information Science, Future University Hakodate, Hakodate, Hokkaido 041-8655, Japan
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KAWAGUCHI Satoshi
Laboratory for Advanced Brain Signal Processing Brain Science Institute, RIKEN
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