Why correlated equilibrium? Game theory Math natural nice Set of correlated equilibria is convex. The NE are vertices of the CE polytope (in any non- degenerate 2-player game) All CE in graphical games can be represented by ones as product functions of each neighborhood.Why correlated equilibrium? Game theory natural Math nice ◼ Set of correlated equilibria is convex. ◼ The NE are vertices of the CE polytope (in any non￾degenerate 2-player game) ◼ All CE in graphical games can be represented by ones as product functions of each neighborhood