283 citations
- University College LondonGB54 papers
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Showing 2019 · q-fin.STShow all
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q-fin.ST2019
Sector Neutral Portfolios: Long memory motifs persistence in market structure dynamics
Jeremy Turiel, Tomaso Aste
We study soft persistence (existence in subsequent temporal layers of motifs from the initial layer) of motif structures in Triangulated Maximally Filtered Graphs (TMFG) generated…
q-fin.ST2019★ 11 cited
Maximum Entropy approach to multivariate time series randomization
Riccardo Marcaccioli, Giacomo Livan
Natural and social multivariate systems are commonly studied through sets of simultaneous and time-spaced measurements of the observables that drive their dynamics, i.e., through s…