1. so that t(p i (a )) = a for all alternatives a and thus alternative a is the unique stationary alternative of agent i's expectations. For each k = 1, 2, . . . , K and each agent j ? I k , j = i, define F j (a k ) = (a k , ?), so that t(p j (a )) = a k for all alternatives a and thus alternative a k is the unique stationary alternative of agent j's expectations. Thus;? a |A| ? a 1 with one transition left out as follows: F i (a) = (a, ?)
2. Effectivity functions in social choice;J Abdou;Series c: Game theory. Mathematical Programming and Operations Research,1991