Séminaire Lotharingien de Combinatoire, B10p (1984), 4 pp.
[Formerly: Publ. I.R.M.A. Strasbourg, 1987, 340/S-10, p. 88-91.]

Martin Grötschel

Characterisations of Perfect Graphs

Abstract. We provide a new characterization of a graph G being perfect (as defined by Berge) in terms of a certain convex set, denoted here by THETA(G), being a polytope or not.

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