Geodesic
Types of equilibrium points in antagonistic games with ordered outcomes
Contributions to game theory and management, Tome 10 (2017), pp. 287-298

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Saddle point concept is a basic one for antagonistic games with payoff functions. For more large class consisting of games with ordered outcomes, there are different generalizations of the saddle point concept. In this article we consider three types of equilibrium for games with ordered outcomes, namely, saddle points (or Nash equilibrium points), general equilibrium points and transitive equilibrium points. The main definitions concerning games with ordered outcomes are introduced in section 1. In section 2, necessary and sufficient conditions for saddle points in games with ordered outcomes are found. These conditions are formulated by using the so-called characteristic sets of players. Transitive equilibrium points are considered in section 3. Theorem 3 characterizes transitive equilibrium points in antagonistic games with ordered outcomes as pre-images of saddle points in antagonistic games with payoff functions under strict homomorphisms. The main result of this article is theorem 4 in which analogy result for mixed extension of game with ordered outcomes is proved. In constructing of mixed extension of game with ordered outcomes, we use the so-called canonical extension of an order on the set of probabilistic measures.
Keywords: game with ordered outcomes, saddle point, general equilibrium point, transitive equilibrium point. 
@article{CGTM_2017_10_a17,
     author = {Victor V. Rozen},
     title = {Types of equilibrium points in antagonistic games with ordered outcomes},
     journal = {Contributions to game theory and management},
     pages = {287--298},
     publisher = {mathdoc},
     volume = {10},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CGTM_2017_10_a17/}
}
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Victor V. Rozen. Types of equilibrium points in antagonistic games with ordered outcomes. Contributions to game theory and management, Tome 10 (2017), pp. 287-298. http://geodesic.mathdoc.fr/item/CGTM_2017_10_a17/