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Welcome !

GAMENET, the European Network for Game Theory is a COST Action funded project (CA 16228) which aims to be the European network for game theoretic research.

With the rapid advancement of technological innovations, modern societies rely more and more on the proper functioning of complex networks. Since the state and the dynamics of these networks are determined by independent decision makers, a solid understanding, control and optimization of such networked systems constitutes a major challenge for modern societies. GAMENET is the European Network where scientists jointly develop game-theoretic solutions to these complex social problems.

Upcoming events

GAMENET Training school on Borel Games

August 2, 2021 - August 4, 2021

Location: ZOOM

Action training schools

In even stages 0,2,4,… Player 1 selects a bit (0 or 1), and in odd stages 1,3,5,… Player 2 selects a bit (0 or 1). This way the two players select (the binary representation of) a number in the unit interval x. Player 1 wins if x is in some given target set A, and Player 2 wins otherwise. Does necessarily one of the players have a winning strategy, namely, a strategy that guarantees that that player wins, regardless of the choices of the other players? The game we just described is an infinite-horizon extensive-form game. The determinacy of this game, namely, the existence of a winning strategy to one of the players, is an extension of the famous Zermelo’s Theorem to this setup, and was fully answered in 1975 by Donald Martin.

Borel games are two-player alternating-move games where the action sets of each player after each history may be an arbitrary set, and the winning set is a Borel set of plays. The determinacy of Borel games is a momentous result. It has numerous applications in set theory, topology, logic, computer science, and, of course, in game theory. In 1998 Martin extended his determinacy result to two-player zero-sum simultaneous-move games with both players have finite action sets. The two results were then unified and extended by Eran Shmaya in 2011, who studied alternating-move games with eventual perfect monitoring.

In this workshop we intend to go over some of the determinacy results and their applications. Our approach is didactic, and our ambition is to guide the participants through the details of the results and the proofs. We also present very recent papers with applications of Borel games to game theory and analysis.

European Summer School on Learning in Games, Markets, and Online Decision Making

September 6, 2021 - September 10, 2021

Location: Sapienza Università di Roma

14th International Symposium on Algorithmic Game Theory (SAGT)

September 21, 2021 - September 24, 2021

Location: Aarhus University

Action Meetings

The 14th International Symposium on Algorithmic Game Theory (SAGT) will take place in Aarhus, Denmark, from the September 21th to September 24th, 2021.

The purpose of SAGT is to bring together researchers from Computer Science, Economics, Mathematics, Operations Research, Psychology, Physics, and Biology to present and discuss original research at the intersection of Algorithms and Game Theory.