Dynamical quenching and annealing in self-organization multiagent models

Details Dynamical quenching and annealing in self-organization multiagent models Dynamical quenching and annealing in self-organization multiagent models

2000-12-21

arxiv.org/abs/cond-mat/0012412v1

Physical Review E64, 016130 (2001)

Physics

Condensed Matter

around 20 pages, 10 figures

Scientific paper

10.1103/PhysRevE.64.016130

We study the dynamics of a generalized Minority Game (GMG) and of the Bar Attendance Model (BAM) in which a number of agents self-organize to match an attendance that is fixed externally as a control parameter. We compare the usual dynamics used for the Minority Game with one for the BAM that makes a better use of the available information. We study the asymptotic states reached in both frameworks. We show that states that can be assimilated to either thermodynamic equilibrium or quenched configurations can appear in both models, but with different settings. We discuss the relevance of the parameter $G$ that measures the value of the prize for winning in units of the fine for losing. We also provide an annealing protocol by which the quenched configurations of the GMG can progressively be modified to reach an asymptotic equlibrium state that coincides with the one obtained with the BAM.

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