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Model for correlations in stock markets. Noh J D. Physical Review E Statistical Nonlinear and Soft Matter Physics . 2000
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Mean-field theory for scale-free random networks. Barabási,A-L,R. Albert,and H. Jeong. Physical Review A Atomic Molecular and Optical Physics . 1999
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Time-dependent cross-correlations between different stock returns:A directednetwork of influence. Kullmann L,Kertész J,Kaski K. Physical Review . 2002
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Emergence of scaling in random networks. Barabasi AL, Albert R. Science . 1999
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Identification of clusters of companies in stock indices via Potts super-paramagnetic transitions. Kullmann L,Kertész J,Mantegna R N. Physica A Statistical Mechanics and its Applications . 2000
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Weighted scale-free network in financial correlations. Kim H J,Lee Y,Kahng B, et al. Journal of the Physical Society of Japan . 2002