Congestion phenomena caused by matching pennies in evolutionary games

György Szabó and Attila Szolnoki
Phys. Rev. E 91, 032110 – Published 5 March 2015

Abstract

Evolutionary social dilemma games are extended by an additional matching-pennies game that modifies the collected payoffs. In a spatial version players are distributed on a square lattice and interact with their neighbors. First, we show that the matching-pennies game can be considered as the microscopic force of the Red Queen effect that breaks the detailed balance and induces eddies in the microscopic probability currents if the strategy update is analogous to the Glauber dynamics for the kinetic Ising models. The resulting loops in probability current breaks symmetry between the chessboardlike arrangements of strategies via a bottleneck effect occurring along the four-edge loops in the microscopic states. The impact of this congestion is analogous to the application of a staggered magnetic field in the Ising model; that is, the order-disorder critical transition is wiped out by noise. It is illustrated that the congestion induced symmetry breaking can be beneficial for the whole community within a certain region of parameters.

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  • Received 18 August 2014

DOI:https://doi.org/10.1103/PhysRevE.91.032110

©2015 American Physical Society

Authors & Affiliations

György Szabó1,2 and Attila Szolnoki1

  • 1Institute of Technical Physics and Materials Science, Research Centre for Natural Sciences, Hungarian Academy of Sciences, P.O. Box 49, H-1525 Budapest, Hungary
  • 2Regional Knowledge Centre, Eötvös University, Irányi Dániel utca 4, H-8000 Székesfehérvár, Hungary

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Issue

Vol. 91, Iss. 3 — March 2015

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