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A tool for filtering information in complex systems

Tumminello, M; Aste, Tomaso; Di Matteo, Tiziana; Mantegna, R N


We introduce a technique to filter out complex data sets by extracting a subgraph of representative links. Such a filtering can be tuned up to any desired level by controlling the genus of the resulting graph, We show that this technique is especially suitable for correlation-based graphs, giving filtered graphs that preserve the hierarchical organization of the minimum spanning tree but containing a larger amount of information in their internal structure. In particular in the case of planar...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: PNAS - Proceedings of the National Academy of Sciences of the United States of America
DOI: 10.1073/pnas.0500298102


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