Nacher, J.C.; Yamada, T.; Goto, S.; Kanehisa, M.; Akutsu, T. - In: Physica A: Statistical Mechanics and its Applications 349 (2005) 1, pp. 349-363
Several studies on real complex networks from different fields as biology, economy, or sociology have shown that the degree of nodes (number of edges connected to each node) follows a scale-free power-law distribution like P(k)≈k-γ, where P(k) denotes the frequency of the nodes that are...