247 citations · 436 across the 2 of their papers we have counts for
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cond-mat.stat-mech2001
Decomposition of Heartbeat Time Series: Scaling Analysis of the Sign Sequence
Y. Ashkenazy, P. Ch. Ivanov, S. Havlin +4
The cardiac interbeat (RR) increment time series can be decomposed into two sub-sequences: a magnitude series and a sign series. We show that the sign sequence, a simple binary rep…
cond-mat.stat-mech2000
Hierarchical organization of cities and nations
G. Malescio, N. V. Dokholyan, S. V. Buldyrev +1
Universality in the behavior of complex systems often reveals itself in the form of scale-invariant distributions that are essentially independent of the details of the microscopic…