The Bak-Sneppen model on scale-free networks
نویسندگان
چکیده
منابع مشابه
The Bak-Sneppen Model on Scale-Free Networks
We investigate by numerical simulations and analytical calculations the Bak-Sneppen model for biological evolution in scale-free networks. By using large scale numerical simulations, we study the avalanche size distribution and the activity time behavior at nodes with different connectivities. We argue the absence of a critical barrier and its associated critical behavior for infinite size syst...
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We study the critical properties of the Bak-Sneppen coevolution model on scalefree networks by Monte Carlo method. We report the distribution of the avalanche size and fractal activity through the branching process. We observe that the critical fitness fc(N) depends on the number of the node such as fc(N) ∼ 1/ log(N) for both the scale-free network and the directed scale-free network. Near the ...
متن کاملBak - Sneppen Model
R. Cafiero, P. De Los Rios, A. Valleriani, and J. L. Vega 1 P.M.M.H., Ecole Supérieure de Physique et de chimie Industrielles, 10, rue Vaquelin, 75231 Paris, France. 2 Institut de Physique Theorique, Université de Fribourg, CH-1700 Fribourg, Switzerland. 3 Max-Planck-Institute of Colloids and Interfaces Theory Division Kantstrasse 55, D-14513 Teltow-Seehof, Germany 4 BANCOTEC GmbH, Calwerstraße...
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We study the Bak-Sneppen model in the probabilistic framework of the run time statistics (RTS). This model has attracted a large interest for its simplicity being a prototype for the whole class of models showing self-organized criticality. The dynamics is characterized by a self-organization of almost all the species fitnesses above a nontrivial threshold value, and by a lack of spatial and te...
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The Bak Sneppen (BS) model is a very simple model that exhibits all the richness of self-organized criticality theory. At the thermodynamic limit, the BS model converges to a situation where all particles have a fitness that is uniformly distributed between a critical value pc and 1. The pc value is unknown, as are the variables that influence and determine this value. Here, we study the Bak Sn...
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ژورنال
عنوان ژورنال: Europhysics Letters (EPL)
سال: 2002
ISSN: 0295-5075,1286-4854
DOI: 10.1209/epl/i2002-00529-8