We study a coordination game in a network that indicates who plays with whom. A player chooses a strategy by logit choice. We show that in typical scale-free networks, one strategy always prevails by the neighborhood effect regardless of the values of parameters, while in regular networks, it...

We study a condition of favoring cooperation in a Prisoner's Dilemma game on complex networks. There are two kinds of players: cooperators and defectors. Cooperators pay a benefit b to their neighbors at a cost c, whereas defectors only receive a benefit. The game is a death-birth process with...