Demichelis, Stefano; Ritzberger, Klaus; Swinkels, Jeroen M. - In: International Journal of Game Theory 32 (2004) 3, pp. 315-338
Perfect information games have a particularly simple structure of equilibria in the associated normal form. For generic such games each of the finitely many connected components of Nash equilibria is contractible. For every perfect information game there is a unique connected and contractible...
