Recent interest in scale-free networks started in 1999 with work by Albert-Laszlo Barabasi Barabasi and collaborators History coined the term"scale-free networkto describe the class of networks that exhibit a power-law degree distribution p(k)kY,y=3 1965 1976 Price Price the number of links to papers had a heavy cumulative advantage tailed distribution following a Pareto distribution or power lawHistory Recent interest in scale-free networks started in 1999 with work by Albert-László Barabási . Barabási and collaborators coined the term "scale-free network" to describe the class of networks that exhibit a power-law degree distribution. 𝑝 𝑘 ~𝑘 _ 𝛾 ,γ=3 1965 1976 Price Price the number of links to papers had a heavy- cumulative advantage tailed distribution following a Pareto distribution or power law