Empirical Game Theoretic Analysis: A Survey

MP Wellman, K Tuyls, and A Greenwald Journal of Artificial Intelligence Research, 82:1017-1076, 2025. Abstract In the empirical approach to game-theoretic analysis (EGTA), the model of the game comes not from declarative representation, but…

Policy Abstraction and Nash Refinement in Tree-Exploiting PSRO

C Konicki, M Chakraborty, and MP Wellman 24th International Conference on Autonomous Agents and Multiagent Systems (AAMAS), May 2025. Forthcoming. Abstract Policy Space Response Oracles (PSRO) interleaves empirical game-theoretic analysis…
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Christine Konicki defends dissertation

On 21 October 2024, Christine Konicki successfully defended her PhD dissertation titled, "Exploiting Tree Structure in Empirical Game-Theoretic Analysis for Extensive-Form Games." Thanks to the dissertation committee members: Michael…

Navigating in a Space of Game Views

MP Wellman, K Mayo Autonomous Agents and Multi-Agent Systems (JAAMAS), 38(31):1–25, 2024. Abstract Game-theoretic modeling entails selecting the particular elements of a complex strategic situation deemed most salient for strategic analysis.…
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Katherine Mayo defends dissertation

On 15 May 2024, Katherine Mayo successfully defended her PhD dissertation titled, "A Strategic Agent-Based Analysis of Economic and Technological Changes in Financial Networks." Thanks to the dissertation committee members: Michael…
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SRG paper wins Best Paper Award at ALA 2024 workshop

The paper titled "A Meta-Game Evaluation Framework for Deep Multiagent Reinforcement Learning," authored by Zun Li, while he was a PhD student with SRG, and Michael Wellman just won the best paper award at the 16th Adaptive and Learning Agents…

A Meta-Game Evaluation Framework for Deep Multiagent Reinforcement Learning

Z Li and MP Wellman 33rd International Joint Conference on Artificial Intelligence (IJCAI), pages 148-156, August 2024. earlier version won Best Paper Award at 16th Adaptive and Learning Agents (ALA) Workshop at AAMAS, May 2024. Abstract Evaluating…

Co-Learning Empirical Games and World Models

MO Smith and MP Wellman 1st Reinforcement Learning Conference (RLC), August 2024. Reinforcement Learning Journal, vol. 1, 2024, pp. 1-15. Abstract Game-based decision-making involves reasoning over both world dynamics and strategic interactions…

Fraud Risk Mitigation in Real-Time Payments: A Strategic Agent-Based Analysis

K Mayo, N Grabill, and MP Wellman 33rd International Joint Conference on Artificial Intelligence (IJCAI), pages 157-165, August 2024. Abstract Whereas standard financial mechanisms for payment may take days to finalize, real-time payments…

Generalized Response Objectives for Strategy Exploration in Empirical Game-Theoretic Analysis

Y Wang and MP Wellman 23nd International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS), May 2024. Forthcoming. Abstract In the policy-space response oracle (PSRO) framework, strategy sets defining an empirical game are iteratively…