Multi-agent Cooperation in Diverse Population Games

Part of Advances in Neural Information Processing Systems 17 (NIPS 2004)

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K. Wong, S. Lim, Z. Gao


We consider multi-agent systems whose agents compete for resources by striving to be in the minority group. The agents adapt to the environment by reinforcement learning of the preferences of the policies they hold. Diversity of preferences of policies is introduced by adding random bi- ases to the initial cumulative payoffs of their policies. We explain and provide evidence that agent cooperation becomes increasingly important when diversity increases. Analyses of these mechanisms yield excellent agreement with simulations over nine decades of data.