Footnote:
Nach Informationen von SSRN wurde die ursprüngliche Fassung des Dokuments March 16, 2006 erstellt
Description:
We introduce a combinatorial abstraction of two person finite games in an oriented matroid. We also define a combinatorial version of Nash equilibrium and prove that an odd number of equilibria exists. The proof is a purely combinatorial rendition of the Lemke-Howson algorithm