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cond-mat.stat-mech2001
A perturbative approach to the Bak and Sneppen Model
G. Caldarelli, M. Felici, A. Gabrielli +1
We study here the Bak and Sneppen model, a prototype model for the study of Self-Organized Criticality. In this model several species interact and undergo extinction with a power l…
astro-ph2001
Correlation and clustering
Francesco Sylos Labini, Andrea Gabrielli
In this lecture we clarify the basic difference between the correlation properties for systems characterized by small or large fluctuations. The concepts of correlation length, hom…