Understanding Changes in the Topology and Geometry of Financial Market Correlations during a Market Crash

In econophysics, the achievements of information filtering methods over the past 20 years, such as the minimal spanning tree (MST) by Mantegna and the planar maximally filtered graph (PMFG) by Tumminello et al., should be celebrated. Here, we show how one can systematically improve upon this paradig...

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Bibliographic Details
Main Authors: Peter Tsung-Wen Yen, Kelin Xia, Siew Ann Cheong
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Entropy
Subjects:
Online Access:https://www.mdpi.com/1099-4300/23/9/1211