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Scale-free behavior of the Internet global performance
Roberto Percacci, Alessandro Vespignani
Measurements and data analysis have proved very effective in the study of the Internet's physical fabric and have shown heterogeneities and statistical fluctuations extending over…
Sandpiles and absorbing-state phase transitions: recent results and open problems
Miguel A. Munoz, Ronald Dickman, Romualdo Pastor-Satorras +2
We review some recent results on the relations between sandpiles and a class of absorbing state phase transitions. We use the concept of fixed energy sandpiles (FES), in which exte…
Dynamically Driven Renormalization Group
Alessandro Vespignani, Stefano Zapperi, Vittorio Loreto
We present a detailed discussion of a novel dynamical renormalization group scheme: the Dynamically Driven Renormalization Group (DDRG). This is a general renormalization method de…
Renormalization group approach to the critical behavior of the forest fire model
V. Loreto, L. Pietronero, A. Vespignani +1
We introduce a Renormalization scheme for the one and two dimensional Forest-Fire models in order to characterize the nature of the critical state and its scale invariant dynamics.…