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	Equilibrio di Nash	Equilibrio Perfetto nei Sottogiochi
Campo	Teoria dei giochi	Teoria dei giochi
Famiglia	Machine learning	Machine learning
Anno di origine	1950	1965
Ideatore	John Nash	Reinhard Selten
Tipo	algorithm	algorithm
Fonte seminale	Nash, J. F. (1950). Equilibrium points in N-person games. Proceedings of the National Academy of Sciences, 36(1), 48-49.	Selten, R. (1965). Spieltheoretische Behandlung eines Oligopolmodells mit Nachfrageträgheit. Zeitschrift für die gesamte Staatswissenschaft, 121, 301-324.
Alias	Lemke-Howson Equilibrium, Completely Labeled Pair	Backward Induction, Sequential Equilibrium, Extensive-Form Equilibrium
Correlati	4	4
Sintesi	Nash Equilibrium is a game-theoretic solution concept where no player can unilaterally deviate to improve their payoff. Formalized by John Nash in 1950, the Lemke-Howson algorithm computationally finds equilibria in bimatrix games by identifying completely labeled vertex pairs in the strategy polytopes.	Subgame Perfect Equilibrium (SPE) is a refinement of Nash Equilibrium for sequential games, introduced by Reinhard Selten in 1965. It requires that strategy profiles constitute a Nash Equilibrium in every subgame, eliminating non-credible threats and incredible promises. Backward induction is the primary computational method for finding SPE in finite games.