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Recently, deep multi-agent reinforcement learning (MARL) has shown the promise to solve complex cooperative tasks. Its success is partly because of parameter sharing among agents. However, such sharing may lead agents to behave similarly…

Machine Learning · Computer Science 2021-11-02 Chenghao Li , Tonghan Wang , Chengjie Wu , Qianchuan Zhao , Jun Yang , Chongjie Zhang

Multi-Agent Reinforcement Learning (MARL) has shown clear effectiveness in coordinating multiple agents across simulated benchmarks and constrained scenarios. However, its deployment in real-world multi-agent systems (MAS) remains limited,…

Artificial Intelligence · Computer Science 2025-07-15 Siyi Hu , Mohamad A Hady , Jianglin Qiao , Jimmy Cao , Mahardhika Pratama , Ryszard Kowalczyk

Recently, deep reinforcement learning (RL) algorithms have made great progress in multi-agent domain. However, due to characteristics of RL, training for complex tasks would be resource-intensive and time-consuming. To meet this challenge,…

Artificial Intelligence · Computer Science 2021-05-26 Zijian Gao , Kele Xu , Bo Ding , Huaimin Wang , Yiying Li , Hongda Jia

Multiagent reinforcement learning algorithms (MARL) have been demonstrated on complex tasks that require the coordination of a team of multiple agents to complete. Existing works have focused on sharing information between agents via…

Machine Learning · Computer Science 2019-03-18 Samir Wadhwania , Dong-Ki Kim , Shayegan Omidshafiei , Jonathan P. How

We study multi-agent reinforcement learning (MARL) in a stochastic network of agents. The objective is to find localized policies that maximize the (discounted) global reward. In general, scalability is a challenge in this setting because…

Machine Learning · Computer Science 2021-11-03 Yiheng Lin , Guannan Qu , Longbo Huang , Adam Wierman

Diversity plays a crucial role in improving the performance of multi-agent reinforcement learning (MARL). Currently, many diversity-based methods have been developed to overcome the drawbacks of excessive parameter sharing in traditional…

Multiagent Systems · Computer Science 2024-01-30 Tianyi Hu , Zhiqiang Pu , Xiaolin Ai , Tenghai Qiu , Jianqiang Yi

Multi-agent reinforcement learning (MARL) often relies on \emph{parameter sharing (PS)} to scale efficiently. However, purely shared policies can stifle each agent's unique specialization, reducing overall performance in heterogeneous…

Multiagent Systems · Computer Science 2025-02-11 Beining Zhang , Aditya Kapoor , Mingfei Sun

Decentralized combinatorial optimization in evolving multi-agent systems poses significant challenges, requiring agents to balance long-term decision-making, short-term optimized collective outcomes, while preserving autonomy of interactive…

Multiagent Systems · Computer Science 2025-09-23 Chuhao Qin , Evangelos Pournaras

Multi-agent reinforcement learning (MARL) has been increasingly explored to learn the cooperative policy towards maximizing a certain global reward. Many existing studies take advantage of graph neural networks (GNN) in MARL to propagate…

Machine Learning · Computer Science 2020-12-25 Wenlei Shi , Xinran Wei , Jia Zhang , Xiaoyuan Ni , Arthur Jiang , Jiang Bian , Tie-Yan Liu

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

Cooperative multi-agent reinforcement learning (MARL) is making rapid progress for solving tasks in a grid world and real-world scenarios, in which agents are given different attributes and goals, resulting in different behavior through the…

Multiagent Systems · Computer Science 2022-07-13 Siyi Hu , Chuanlong Xie , Xiaodan Liang , Xiaojun Chang

Cooperative multi-agent reinforcement learning (MARL) has made prominent progress in recent years. For training efficiency and scalability, most of the MARL algorithms make all agents share the same policy or value network. However, in many…

Machine Learning · Computer Science 2022-11-07 Mingyu Yang , Jian Zhao , Xunhan Hu , Wengang Zhou , Jiangcheng Zhu , Houqiang Li

In this paper, we study the problem of networked multi-agent reinforcement learning (MARL), where a number of agents are deployed as a partially connected network and each interacts only with nearby agents. Networked MARL requires all…

Machine Learning · Computer Science 2022-06-22 Yuxuan Yi , Ge Li , Yaowei Wang , Zongqing Lu

Feature transformation enhances downstream task performance by generating informative features through mathematical feature crossing. Despite the advancements in deep learning, feature transformation remains essential for structured data,…

Machine Learning · Computer Science 2026-03-02 Tao Zhe , Huazhen Fang , Kunpeng Liu , Qian Lou , Tamzidul Hoque , Dongjie Wang

Large language models (LLMs) have proven effective in artificial intelligence, where the multi-agent system (MAS) holds considerable promise for healthcare development by achieving the collaboration of LLMs. However, the absence of a…

Artificial Intelligence · Computer Science 2026-05-13 Zhihao Peng , Liuxin Bao , Yixuan Yuan

This paper investigates the use of multi-agent reinforcement learning (MARL) to address distributed channel access in wireless local area networks. In particular, we consider the challenging yet more practical case where the agents…

Machine Learning · Computer Science 2025-06-13 Jiaming Yu , Le Liang , Chongtao Guo , Ziyang Guo , Shi Jin , Geoffrey Ye Li

Multi-Agent Reinforcement Learning (MARL) algorithms are widely adopted in tackling complex tasks that require collaboration and competition among agents in dynamic Multi-Agent Systems (MAS). However, learning such tasks from scratch is…

Artificial Intelligence · Computer Science 2024-02-14 Ayesha Siddika Nipu , Siming Liu , Anthony Harris

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

This paper presents a novel approach to Multi-Agent Reinforcement Learning (MARL) that combines cooperative task decomposition with the learning of reward machines (RMs) encoding the structure of the sub-tasks. The proposed method helps…

Artificial Intelligence · Computer Science 2025-02-17 Leo Ardon , Daniel Furelos-Blanco , Alessandra Russo

Decentralized Multi-Agent Reinforcement Learning (MARL) methods allow for learning scalable multi-agent policies, but suffer from partial observability and induced non-stationarity. These challenges can be addressed by introducing…

Machine Learning · Computer Science 2025-08-01 Tommaso Marzi , Cesare Alippi , Andrea Cini