Recent experimental results with humans involved in social dilemma games suggest that cooperation may be a contagious phenomenon and that the selection pressure operating on evolutionary dynamics (i.e., mimicry) is relatively weak. I propose an evolutionary dynamics model that links these experimental findings and evolution of cooperation. By assuming a small fraction of (imperfect) zealous coo...

Recently many studies have attempted to implement intelligent characters for fighting action games. They used genetic algorithms, neural networks, and evolutionary neural networks to create intelligent characters. This study quantitatively compared the performance of these three AI techniques in the same game and experimental environments, and analyzed the results of experiments. As a result, n...

This thesis applies evolutionary algorithms to tackle bargaining games. Evolutionary algorithms can discover efficient and stationary strategies for various bargaining games. Game-theoretic method requires a substantial amount of mathematical reasoning. Thus this method restricts to simple problems. Moreover, game-theoretic solutions rest on the crucial assumption that every player is perfectly...