Книга: Scale-free Network: Scale-free Network, Complex Network, Degree Distribution, Power Law, Preferential Attachment, Derek J. de Solla Price, Pareto Distribution, Heavy-tailed Distribution

High Quality Content by WIKIPEDIA articles! A scale-free network is a network whose degree distribution follows a power law, at least asymptotically. That is, the fraction Pk of nodes in the network having k connections to other nodes goes for large values of k as Pk ~ k?? where ? is a constant whose value is typically in the range 2