Chenjia Bai
Chenjia Bai
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Article-Journal
Provably Efficient Information-Directed Sampling Algorithms for Multi-Agent Reinforcement Learning.
In
Artificial Intelligence (
AIJ
)
, 2025
This work designs and analyzes a novel set of algorithms for multi-agent reinforcement learning (MARL) based on the principle of information-directed sampling (IDS).
Qiaosheng Zhang
,
Chenjia Bai
,
Shuyu Hu
,
Zhen Wang
✉
,
Xuelong Li
✉
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Decentralized Transformers with Centralized Aggregation are Sample-Efficient Multi-Agent World Models.
In
Transactions on Machine Learning Research (
TMLR
)
, 2025
we propose a novel world model for MARL that learns decentralized local dynamics for scalability, combined with a centralized representation aggregation from all agents.
Yang Zhang
,
Chenjia Bai
✉
,
Bin Zhao
,
Junchi Yan
,
Xiu Li
✉
,
Xuelong Li
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大模型驱动的具身智能:发展与挑战
中国科学:信息科学
We give a comprehensive survey for embodied AI driven by large-scale models.
Chenjia Bai
,
Huazhe Xu
,
Xuelong Li
✉
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公众号
Distributional Off-Policy Evaluation in Reinforcement Learning
In
Journal of the American Statistical Association (
JASA
)
, 2025
This paper proposes an offline Wasserstein-based approach to estimate the joint distribution of multivariate discounted cumulative rewards, establishes finite sample error bounds in the batch setting, and demonstrates its superior performance through extensive numerical studies.
Zhengling Qi
,
Chenjia Bai
,
Zhaoran Wang
,
Lan Wang
✉
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