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[Fizinfo] BME Elméleti Fizika Tanszék szemináriuma

Chronological Thread 
  • From: tcsaba <tcsaba AT>
  • To: fizinfo AT
  • Subject: [Fizinfo] BME Elméleti Fizika Tanszék szemináriuma
  • Date: Fri, 30 Sep 2016 15:49:52 +0200

M E G H Í V Ó - I N V I T A T I O N

Seminar Series of the Department of Theoretical Physics at the
Budapest University of Technology and Economics

Balázs Király
(Department of Theoretical Physics,
Budapest University of Technology and Economics)

Evolutionary elementary coordination games on a square lattice

In many-participant evolutionary game theoretic models pair interactions are described by many-parameter matrix games. Recent studies have indicated that these matrices represent combinations of four basic types of interactions: self- and cross-dependent, coordination-type, and cyclic games. Games with cyclic components are not potential games. Strategy distributions of multiagent evolutionary potential games follow the Boltzmann distribution if the evolution is governed by a properly chosen rule, which means that the tools and methods of statistical physics can be used to investigate the macroscopic behaviour of such systems. We study simple multiagent logit-rule-driven evolutionary potential games on a square lattice, and apply some of these methods to investigate their equilibrium properties and their phase transitions. We find that in elementary coordination games, which closely resemble Ising-type models, the order of the phase transition is determined by the number of available strategies. The introduction of different self-dependent game components can be used to change the critical temperature and the order of the phase transition, and it can even abolish the transition.

Időpont: 2016. október 7. péntek, 10:15
Helyszín: BME Fizikai Intézet, Elméleti Fizika Tanszék,
Budafoki út 8. F-épület, III lépcsőház, szemináriumi szoba

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