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Talent Scout

C

Clarisse Wibault

University of Oxford

J

Johannes Forkel

University of Oxford

S

Sebastian Towers

University of Oxford

T

Tiphaine Wibault

Ludwig-Maximilians-Universität Munich

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References (38)

[1]
Structural Reinforcement Learning for Heterogeneous Agent Macroeconomics
2025Yucheng Yang, Chiyuan Wang et al.
[2]
Population-aware Online Mirror Descent for Mean-Field Games with Common Noise by Deep Reinforcement Learning
2025Zida Wu, Mathieu Laurière et al.
[3]
The Trouble with Rational Expectations in Heterogeneous Agent Models: A Challenge for Macroeconomics
2025Benjamin Moll
[4]
Population-aware Online Mirror Descent for Mean-Field Games by Deep Reinforcement Learning
2024Zida Wu, Mathieu Laurière et al.
[5]
MFGLib: A Library for Mean-Field Games
2023Xin Guo, Anran Hu et al.
[6]
Regularization of the policy updates for stabilizing Mean Field Games
2023Talal Algumaei, Rubén Solozabal et al.
[7]
Discovered Policy Optimisation
2022Chris Lu, J. Kuba et al.
[8]
A Survey on Large-Population Systems and Scalable Multi-Agent Reinforcement Learning
2022Kai Cui, Anam Tahir et al.
[9]
Learning in Mean Field Games: A Survey
2022M. Laurière, Sarah Perrin et al.
[10]
Scaling up Multi-agent Reinforcement Learning with Mean Field Games and Vice-versa. (Mise à l'échelle de l'apprentissage par renforcement multi-agent grâce aux jeux à champ moyen et vice-versa)
2022S. Perrin
[11]
DeepHAM: A Global Solution Method for Heterogeneous Agent Models with Aggregate Shocks
2021Jiequn Han, Yucheng Yang et al.
[12]
Solving N-player dynamic routing games with congestion: a mean field approach
2021Théophile Cabannes, M. Laurière et al.
[13]
Recurrent Model-Free RL Can Be a Strong Baseline for Many POMDPs
2021Tianwei Ni, Benjamin Eysenbach et al.
[14]
Policy Iteration Method for Time-Dependent Mean Field Games Systems with Non-separable Hamiltonians
2021M. Laurière, Jiahao Song et al.
[15]
Generalization in Mean Field Games by Learning Master Policies
2021Sarah Perrin, M. Laurière et al.
[16]
Mean Field Games Flock! The Reinforcement Learning Way
2021Sarah Perrin, M. Laurière et al.
[17]
Scaling up Mean Field Games with Online Mirror Descent
2021J. Pérolat, Sarah Perrin et al.
[18]
Approximately Solving Mean Field Games via Entropy-Regularized Deep Reinforcement Learning
2021Kai Cui, H. Koeppl
[19]
Partially Observable Mean Field Reinforcement Learning
2020Sriram Ganapathi Subramanian, Matthew E. Taylor et al.
[20]
Is Independent Learning All You Need in the StarCraft Multi-Agent Challenge?
2020C. S. D. Witt, Tarun Gupta et al.

Showing 20 of 38 references

Founder's Pitch

"Develop advanced algorithms for optimizing large-scale multi-agent systems under uncertainty using Recurrent Structural Policy Gradient."

AI for Multi-agent SystemsScore: 8View PDF ↗

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10

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10

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Why It Matters

This research advances algorithmic solutions for optimizing large-scale multi-agent systems under uncertainty, a common challenge in areas like finance and traffic systems. Without it, handling partially observable mean-field games with common noise at scale is inefficient and inaccurate.

Product Angle

Leverage the JAX-based MFAX framework to provide a SaaS solution for real-time multi-agent system optimization in industries that involve large populations impacted by aggregate responses and shared noise.

Disruption

It can disrupt traditional multi-agent optimization methods that do not efficiently handle partial observability and common noise, thereby improving computation speed and efficacy.

Product Opportunity

Potential market includes finance, urban traffic management, and energy distribution networks. Clients would be urban planners, energy grid managers, financial analysts, and other roles managing large quantitative models.

Use Case Idea

RSPG can be applied to optimize operations in financial markets, traffic control systems, and energy networks where large populations of agents must be managed in real-time.

Science

The paper introduces RSPG, which applies Hybrid Structural Methods to partially observable mean-field games. This involves using known transition dynamics and a policy gradient for handling shared aggregate observations and common noise, making large systems computationally feasible using JAX framework called MFAX.

Method & Eval

The method uses state-of-the-art HSMs, leveraging GPU parallelism, reducing variance through known transition dynamics in evaluations and has shown order-of-magnitude faster convergence and effective history-aware policy development in benchmarks.

Caveats

The reliance on known transition dynamics might limit applicability to scenarios where such data is not readily available or is costly to compute. Additionally, scalability might be challenged as more complex real-world dynamics are introduced.

Author Intelligence

Clarisse Wibault

University of Oxford
clarisse.wibault@magd.ox.ac.uk

Johannes Forkel

University of Oxford

Sebastian Towers

University of Oxford

Tiphaine Wibault

Ludwig-Maximilians-Universität Munich

Juan Duque

MILA, Québec AI Institute

George Whittle

University of Oxford

Andreas Schaab

UC Berkeley

Yucheng Yang

University of Zurich

Chiyuan Wang

Peking University

Michael Osborne

University of Oxford

Benjamin Moll

London School of Economics

Jakob Foerster

University of Oxford