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On the existence of Berge's strong equilibrium
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Abstract
In this paper, we establish the existence of Berge's strong equilibrium for games with n persons in infinite dimensional strategy spaces in the case where the payoff function of each player is quasi-concave. Moreover, we study the continuity of Berge's strong equilibrium correspondence and prove that most of Berge's strong games are essential.Nash equilibrium, strong Berge equilibrium, fixed point, essential games.