Does the scale-free topology favor the emergence of cooperation?

Zhi-Xi Wu, Xin-Jian Xu, Ying-Hai Wang

In a recent Letter [F.C. Santos and J. M. Pacheco Phys. Rev. Lett. \textbf{95}, 098104 (2005)], the scale-free networks are found to be advantageous for the emergence of cooperatio…