Regensburg 2010 – scientific programme

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SOE: Fachverband Physik sozio-ökonomischer Systeme

SOE 6: Poster Session

SOE 6.2: Poster

Monday, March 22, 2010, 18:00–20:00, Poster C

Patterns of cooperation — •Anne-Ly Do and Thilo Gross — MPI for the Physics of Complex Systems, Dresden

We study the self-assembly of a complex network of cooperative interactions among rational, self-interested agents. The agents can maintain different levels of cooperation with different, self-chosen partners. Further, they continuously, selectively, and independently adapt the amount of resources allocated to each of their interactions in order to maximize the obtained payoff. We show analytically that the system approaches a state in which the agents make identical investments, and links produce identical benefits. Despite this high degree of social coordination some agents manage to secure privileged topological positions in the network enabling them to extract high payoffs.