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Related papers: PPS-QMIX: Periodically Parameter Sharing for Accel…

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Many recent successful off-policy multi-agent reinforcement learning (MARL) algorithms for cooperative partially observable environments focus on finding factorized value functions, leading to convoluted network structures. Building on the…

Machine Learning · Computer Science 2023-10-27 Raphaël Avalos , Mathieu Reymond , Ann Nowé , Diederik M. Roijers

We present a comparative study of multi-agent reinforcement learning (MARL) algorithms for cooperative warehouse robotics. We evaluate QMIX and IPPO on the Robotic Warehouse (RWARE) environment and a custom Unity 3D simulation. Our…

Artificial Intelligence · Computer Science 2025-12-10 Price Allman , Lian Thang , Dre Simmons , Salmon Riaz

Parameter sharing, where each agent independently learns a policy with fully shared parameters between all policies, is a popular baseline method for multi-agent deep reinforcement learning. Unfortunately, since all agents share the same…

Machine Learning · Computer Science 2023-11-01 J. K. Terry , Nathaniel Grammel , Sanghyun Son , Benjamin Black , Aakriti Agrawal

Multi-Agent Reinforcement Learning (MARL) has gained significant interest in recent years, enabling sequential decision-making across multiple agents in various domains. However, most existing explanation methods focus on centralized MARL,…

Artificial Intelligence · Computer Science 2025-11-14 Kayla Boggess , Sarit Kraus , Lu Feng

Offline multi-agent reinforcement learning (MARL) faces a critical challenge: the joint action space grows exponentially with the number of agents, making dataset coverage exponentially sparse and out-of-distribution (OOD) joint actions…

Machine Learning · Computer Science 2026-03-31 Yue Jin , Giovanni Montana

This paper proposes an exploration technique for multi-agent reinforcement learning (MARL) with graph-based communication among agents. We assume the individual rewards received by the agents are independent of the actions by the other…

Machine Learning · Computer Science 2025-08-11 Ainur Zhaikhan , Ali H. Sayed

Multi-Agent Reinforcement Learning (MARL) has emerged as a powerfulparadigm for cooperative decision-making in connected autonomous vehicles(CAVs); however, existing approaches often fail to guarantee stability, optimality,and…

General Mathematics · Mathematics 2025-11-25 Mazyar Taghavi , Javad Vahidi

There is a growing interest in Multi-Agent Reinforcement Learning (MARL) as the first steps towards building general intelligent agents that learn to make low and high-level decisions in non-stationary complex environments in the presence…

Artificial Intelligence · Computer Science 2020-01-01 Marco Jerome Gasparrini , Ricard Solé , Martí Sánchez-Fibla

Multi-agent reinforcement learning (MARL) has achieved great progress in cooperative tasks in recent years. However, in the local reward scheme, where only local rewards for each agent are given without global rewards shared by all the…

Machine Learning · Computer Science 2023-02-21 Yunbo Qiu , Yue Jin , Lebin Yu , Jian Wang , Xudong Zhang

Sparse rewards are a major bottleneck in multi-agent reinforcement learning (MARL), where simultaneous learning induces non-stationarity and makes reward design especially delicate. Reward shaping can accelerate learning, but in the…

Multiagent Systems · Computer Science 2026-05-25 Elie Abboud , Oren Gal

Judicious resource allocation can effectively enhance federated learning (FL) training performance in wireless networks by addressing both system and statistical heterogeneity. However, existing strategies typically rely on block fading…

Machine Learning · Computer Science 2025-05-07 Jiacheng Wang , Le Liang , Hao Ye , Chongtao Guo , Shi Jin

Multi-Agent Reinforcement Learning (MARL) is an increasingly important research field that can model and control multiple large-scale autonomous systems. Despite its achievements, existing multi-agent learning methods typically involve…

Multiagent Systems · Computer Science 2023-05-25 Kailash Gogineni , Peng Wei , Tian Lan , Guru Venkataramani

Decentralized cooperative multi-agent deep reinforcement learning (MARL) can be a versatile learning framework, particularly in scenarios where centralized training is either not possible or not practical. One of the critical challenges in…

Offline cooperative multi-agent reinforcement learning (MARL) faces unique challenges due to distributional shifts, particularly stemming from the high dimensionality of joint action spaces and the presence of out-of-distribution joint…

Machine Learning · Computer Science 2026-05-29 Dan Qiao , Wenhao Li , Shanchao Yang , Hongyuan Zha , Baoxiang Wang

Learning to collaborate is critical in Multi-Agent Reinforcement Learning (MARL). Previous works promote collaboration by maximizing the correlation of agents' behaviors, which is typically characterized by Mutual Information (MI) in…

Multiagent Systems · Computer Science 2023-02-23 Pengyi Li , Hongyao Tang , Tianpei Yang , Xiaotian Hao , Tong Sang , Yan Zheng , Jianye Hao , Matthew E. Taylor , Wenyuan Tao , Zhen Wang , Fazl Barez

In many real-world settings, a team of agents must coordinate its behaviour while acting in a decentralised fashion. At the same time, it is often possible to train the agents in a centralised fashion where global state information is…

Designing efficient algorithms for multi-agent reinforcement learning (MARL) is fundamentally challenging because the size of the joint state and action spaces grows exponentially in the number of agents. These difficulties are exacerbated…

Machine Learning · Computer Science 2025-10-27 Emile Anand , Ishani Karmarkar , Guannan Qu

This paper considers multi-agent reinforcement learning (MARL) tasks where agents receive a shared global reward at the end of an episode. The delayed nature of this reward affects the ability of the agents to assess the quality of their…

Multiagent Systems · Computer Science 2022-01-13 Baicen Xiao , Bhaskar Ramasubramanian , Radha Poovendran

In cooperative multi-agent reinforcement learning (MARL), how to design a suitable reward signal to accelerate learning and stabilize convergence is a critical problem. The global reward signal assigns the same global reward to all agents…

Artificial Intelligence · Computer Science 2020-03-10 Hangyu Mao , Zhibo Gong , Zhen Xiao

Multi-agent reinforcement learning for incomplete information environments has attracted extensive attention from researchers. However, due to the slow sample collection and poor sample exploration, there are still some problems in…

Artificial Intelligence · Computer Science 2022-05-12 Shuhan Qi , Shuhao Zhang , Xiaohan Hou , Jiajia Zhang , Xuan Wang , Jing Xiao