Understanding changes in the topology and geometry of financial market correlations during a market crash

• المؤلفون الرئيسيون: Yen, Peter Tsung-Wen, Xia, Kelin, Cheong, Siew Ann
• مؤلفون آخرون: School of Physical and Mathematical Sciences
• التنسيق: مقال
• اللغة: English
• منشور في: 2022
• الموضوعات: Science::Physics; Science::Mathematics; Econophysics; Financial Markets
• الوصول للمادة أونلاين: https://hdl.handle.net/10356/153765

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...