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  • A three-person deterministic graphical game without Nash equilibria
    Boros, Endre ...
    We give an example of a three-person deterministic graphical game that has no Nash equilibrium in pure stationary strategies. The game has seven positions, four outcomes (a unique cycle and three ... terminal positions), and its normal form is of size only. Thus, the example strengthens significantly the one obtained in 2014 by Gurvich and Oudalov; the latter has four players, five terminals, and normal form of size . Furthermore, our example is minimal with respect to the number of players. Somewhat similar examples were known since 1975, but they were not related to deterministic graphical games. The small size of our example allows us to verify that it has no Nash equilibrium not only in pure but also in independently mixed (so-called behavioral) strategies. For independently mixed strategies two distinct effective payoffs can be considered: along with the classical Markovian evaluation, we also consider a priori evaluation, which may be a better fit for playing in behavioral strategies
    Source: Discrete applied mathematics. - ISSN 0166-218X (Vol. 243, 2018, str. 21-38)
    Type of material - article, component part ; adult, serious
    Publish date - 2018
    Language - english
    COBISS.SI-ID - 1540221636

    Link(s):

    https://www.sciencedirect.com/science/article/pii/S0166218X18300404?via%3Dihub
    Repository of University of Primorska - RUP
    DOI

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