Humboldt-Universität, Math.-Naturwiss. Fakultät II, Institut für Mathematik, Unter den Linden 6, 10099 Berlin, Germany, email@example.com
Abstract: The paper describes the geometrical structure of Nash equilibrium sets in partially convex games without constraints. A condition characterizing a distinct class of Nash equilibrium sets is given. A complete description of such sets in two dimensions as well as some pictures illustrating the appearing difficulties are presented.
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