Prof. Wellman receives 2026 IFAAMAS Influential Paper Award
Prof. Wellman has been selected as a recipient of the 2026 IFAAMAS Influential Paper Award to be presented at the 25th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2026) for the 2003 paper "Nash Q-learning for…
Madelyn Gatchel finishes as runner-up at CSE Graduate Honors Competition
Madelyn Gatchel finished as runner-up at the 22nd Annual CSE Graduate Honors Competition held on Nov 10, 2025, where she delivered a 15 min presentation on her research topic "Learning and Reasoning about Parameterized Families of Games."…
Market Selection with Midpoint Matching: A Strategic Agent-Based Analysis
G Smithline, A Gu, and MP Wellman
6th ACM International Conference on AI in Finance (ICAIF), November 2025. To appear.
Abstract
We study midpoint matching through Nasdaq’s Midpoint Extended-Life Order (M-ELO) mechanism, which offers non-displayed…
Gabe Smithline Passes Prelim
PhD student Gabe Smithline passed the CSE prelim exam, based on his directed study project titled “Measuring Competition and Cooperation in LLM Bargaining: An Empirical Meta-Game Analysis.”
Congratulations, Gabe!
Explicit Exploration for High-Welfare Equilibria in Game-Theoretic Multiagent Reinforcement Learning
A Nguyen, A Gu, and MP Wellman
42nd International Conference on Machine Learning (ICML), July 2025.
Abstract
Iterative extension of empirical game models through deep reinforcement learning (RL) has proved an effective approach for finding…
A game-theoretic approach for hierarchical epidemic control
F Jia, A Mate, Z Li, S Jabbari, M Chakraborty, M Tambe, MP Wellman, and Y Vorobeychik
Autonomous Agents and Multi-Agent Systems, 39, 14:1–37 (2025).
Abstract
We design and analyze a multi-level game-theoretic model of hierarchical policy…
Chris Mascioli Passes Prelim
PhD student Christ Mascioli passed the CSE prelim exam, based on his directed study project titled “PyMarketSim: A High-Performance Multi-Agent Environment for Deep Reinforcement Learning in Financial Markets.”
Congratulations, Chris…
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,…
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), pp. 1163–1171, May 2025.
Abstract
Policy Space Response Oracles (PSRO) interleaves empirical game-theoretic analysis…
SRG paper wins Best Paper Award at ICAIF 2024
The paper titled "The Effect of Liquidity on the Spoofability of Financial Markets," led by Anri Gu, an undergraduate researcher with SRG, and coauthored by our recent PhD alum Yongzhao Wang, current PhD student Chris Mascioli, assistant research…

