作者: G. Bonanno , G. Caldarelli , F. Lillo , S. Miccich� , N. Vandewalle
DOI: 10.1140/EPJB/E2004-00129-6
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摘要: We review the recent approach of correlation based networks financial equities. investigate portfolio stocks at different time horizons, indices and volatility series we show that meaningful economic information can be extracted from noise dressed matrices. method used to falsify widespread market models by directly comparing topological properties real artificial markets.