General quantum two-players games, their gate operators and Nash equilibria
arXiv:1503.08851 · doi:10.1093/ptep/ptv004
Abstract
The two-players strategies games quantized according to the Eisert-Lewenstein-Wilkens scheme (Phys. Rev. Lett. 83 (1999), 3077) are considered. Group theoretical methods are applied to the problem of finding a general form of gate operators (entanglers) under the assumption that the set of classical pure strategies is contained in the set of pure quantum ones. The role of the stability group of the initial state of the game is stressed. As an example, it is shown that the maximally entangled games do not admit nontrivial pure Nash strategies. The general arguments are supported by explicit computations performed in the three strategies case.
arXiv comment35 pages, no figures, final version of papers: arXiv:1404.4454, arXiv:1403.7731, arXiv:1402.3932
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