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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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…

A Financial Market Simulation Environment for Trading Agents Using Deep Reinforcement Learning

C Mascioli, A Gu, Y Wang, M Chakraborty, and MP Wellman 5th ACM International Conference on AI in Finance (ICAIF), pages 117-125, November 2024. Abstract We present PyMarketSim, a financial market simulation environment designed for training…

The Effect of Liquidity on the Spoofability of Financial Markets

A Gu, Y Wang, C Mascioli, R Savani, T Turocy, M Chakraborty, and MP Wellman 5th ACM International Conference on AI in Finance (ICAIF), pages 239-247, November 2024. Recipient of the ICAIF24 Best Paper Award. Abstract We investigate the…

Solving Structured Hierarchical Games Using Differential Backward Induction

Z Li, F Jia, A Mate, S Jabbari, M Chakraborty, M Tambe, and Y Vorobeychik 38th Conference on Uncertainty in Artificial Intelligence (UAI), PMLR 180: pp. 1107–1117, August 2022 Previous version presented at ICLR Workshop on Gamification…

Timing is Money: The Impact of Arrival Order in Beta-Bernoulli Prediction Markets

B Martin, S Kutty, and M Chakraborty 2nd ACM International Conference on AI in Finance (ICAIF), Article No.: 41, pages 1–9, November 2021. Abstract Prediction markets are incentive-based mechanisms for eliciting and combining the diffused,…