Game State
Game state, representing the current status of a game, is a central concept in artificial intelligence research, particularly within game playing and learning. Current research focuses on efficiently representing and utilizing game state information, especially in imperfect-information games, employing techniques like neural networks (including Siamese and convolutional architectures) to estimate state probabilities and tree search algorithms adapted for simultaneous-move scenarios. These advancements are improving the performance of AI agents in various games, from board games to complex simulations like soccer, and contributing to a deeper understanding of game theory and multi-agent systems. Furthermore, research is exploring methods for making AI decision-making more interpretable and efficient, including the development of new datasets and evaluation metrics.
Papers
Optimal Correlated Equilibria in General-Sum Extensive-Form Games: Fixed-Parameter Algorithms, Hardness, and Two-Sided Column-Generation
Brian Zhang, Gabriele Farina, Andrea Celli, Tuomas Sandholm
Learning Markov Games with Adversarial Opponents: Efficient Algorithms and Fundamental Limits
Qinghua Liu, Yuanhao Wang, Chi Jin