53 citations · 273 across the 13 of their papers we have counts for
3 papers · 1 filter
Influence of Local Interactions in the Bak-Sneppen Model and Economic Applications
M. Bartolozzi, D. B. Leinweber, A. W. Thomas
In the present work we extend the Bak-Sneppen model for biological evolution by introducing local interactions between species. This ``environmental'' perturbation can modify the i…
Self-Similar Log-Periodic Structures in Western Stock Markets from 2000
M. Bartolozzi, S. Drozdz, D. B. Leinweber +2
The presence of log-periodic structures before and after stock market crashes is considered to be an imprint of an intrinsic discrete scale invariance (DSI) in this complex system.…
Self-Organized Criticality and Stock Market Dynamics: an Empirical Study
M. Bartolozzi, D. B. Leinweber, A. W. Thomas
The Stock Market is a complex self-interacting system, characterized by an intermittent behaviour. Periods of high activity alternate with periods of relative calm. In the present…