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Fixation probability of a single mutant initially at a node of degree k on an uncorrelated power-law degree distributed (nk ~k−ν, ν = 2.5) graph with N = 103 and μ1 = 8. The empty symbols correspond to IP dynamics with s = 0.004 (□), s = 0.008 (○) and s = 0.016 (△); the filled symbols correspond to VM dynamics with s = 0.01, (■), s = 0.02 (●) and s = 0.08 (▲). The solid lines, with slopes +1 and − 1, correspond to the second of Eqs. (15) and (20).
