Wiliński, M.; Sienkiewicz, A.; Gubiec, T.; Kutner, R.; … - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 23, pp. 5963-5973
We find numerical and empirical evidence for dynamical, structural and topological phase transitions on the (German) Frankfurt Stock Exchange (FSE) in the temporal vicinity of the worldwide financial crash. Using the Minimal Spanning Tree (MST) technique, a particularly useful canonical tool of...