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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

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

QTRAN is a multi-agent reinforcement learning (MARL) algorithm capable of learning the largest class of joint-action value functions up to date. However, despite its strong theoretical guarantee, it has shown poor empirical performance in…

Machine Learning · Computer Science 2020-10-07 Kyunghwan Son , Sungsoo Ahn , Roben Delos Reyes , Jinwoo Shin , Yung Yi

Cooperative multi-agent reinforcement learning (MARL) commonly adopts centralized training with decentralized execution, where value-factorization methods enforce the individual-global-maximum (IGM) principle so that decentralized greedy…

Artificial Intelligence · Computer Science 2026-02-13 Chengrui Qu , Christopher Yeh , Kishan Panaganti , Eric Mazumdar , Adam Wierman

Multi-agent reinforcement learning (MARL) can model many real world applications. However, many MARL approaches rely on epsilon greedy for exploration, which may discourage visiting advantageous states in hard scenarios. In this paper, we…

Machine Learning · Computer Science 2022-01-28 Hon Tik Tse , Ho-fung Leung

Reinforcement learning encounters major challenges in multi-agent settings, such as scalability and non-stationarity. Recently, value function factorization learning emerges as a promising way to address these challenges in collaborative…

Machine Learning · Computer Science 2020-07-21 Tonghan Wang , Jianhao Wang , Chongyi Zheng , Chongjie Zhang

Reactive jammers pose a severe security threat to robotic-swarm networks by selectively disrupting inter-agent communications and undermining formation integrity and mission success. Conventional countermeasures such as fixed power control…

Networking and Internet Architecture · Computer Science 2025-12-19 Bahman Abolhassani , Tugba Erpek , Kemal Davaslioglu , Yalin E. Sagduyu , Sastry Kompella

Value factorization is a popular paradigm for designing scalable multi-agent reinforcement learning algorithms. However, current factorization methods make choices without full justification that may limit their performance. For example,…

Artificial Intelligence · Computer Science 2024-09-11 Enrico Marchesini , Andrea Baisero , Rupali Bhati , Christopher Amato

In fully cooperative multi-agent reinforcement learning (MARL) settings, environments are highly stochastic due to the partial observability of each agent and the continuously changing policies of other agents. To address the above issues,…

Multiagent Systems · Computer Science 2023-06-06 Wei-Fang Sun , Cheng-Kuang Lee , Simon See , Chun-Yi Lee

Sample efficiency and performance in the offline setting have emerged as significant challenges of deep reinforcement learning. We introduce Q-Value Weighted Regression (QWR), a simple RL algorithm that excels in these aspects. QWR is an…

Machine Learning · Computer Science 2021-02-16 Piotr Kozakowski , Łukasz Kaiser , Henryk Michalewski , Afroz Mohiuddin , Katarzyna Kańska

Multi-agent reinforcement learning (MARL) has witnessed a remarkable surge in interest, fueled by the empirical success achieved in applications of single-agent reinforcement learning (RL). In this study, we consider a distributed…

Artificial Intelligence · Computer Science 2025-07-30 Han-Dong Lim , Donghwan Lee

Reinforcement learning algorithms based on Q-learning are driving Deep Reinforcement Learning (DRL) research towards solving complex problems and achieving super-human performance on many of them. Nevertheless, Q-Learning is known to be…

Machine Learning · Computer Science 2022-06-14 Andrea Cini , Carlo D'Eramo , Jan Peters , Cesare Alippi

Collaboration is a key challenge in distributed multi-agent reinforcement learning (MARL) environments. Learning frameworks for these decentralized systems must weigh the benefits of explicit player coordination against the communication…

Quantum Physics · Physics 2025-02-21 Alexander DeRieux , Walid Saad

Value decomposition is a core approach for cooperative multi-agent reinforcement learning (MARL). However, existing methods still rely on a single optimal action and struggle to adapt when the underlying value function shifts during…

Artificial Intelligence · Computer Science 2026-05-21 Yonghyeon Jo , Sunwoo Lee , Seungyul Han

Decentralized learning has shown great promise for cooperative multi-agent reinforcement learning (MARL). However, non-stationarity remains a significant challenge in fully decentralized learning. In the paper, we tackle the…

Machine Learning · Computer Science 2023-02-08 Kefan Su , Siyuan Zhou , Jiechuan Jiang , Chuang Gan , Xiangjun Wang , Zongqing Lu

Q-learning is a widely used reinforcement learning (RL) algorithm for optimizing wireless networks, but faces challenges with large state-spaces. Recently proposed multi-environment mixed Q-learning (MEMQ) algorithm addresses these…

Machine Learning · Computer Science 2025-08-25 Talha Bozkus , Urbashi Mitra

Multi-objective optimization of the textile manufacturing process is an increasing challenge because of the growing complexity involved in the development of the textile industry. The use of intelligent techniques has been often discussed…

Artificial Intelligence · Computer Science 2020-12-03 Zhenglei He , Kim Phuc Tran , Sebastien Thomassey , Xianyi Zeng , Jie Xu , Changhai Yi

The field of cooperative multi-agent reinforcement learning (MARL) has seen widespread use in addressing complex coordination tasks. While value decomposition methods in MARL have been popular, they have limitations in solving tasks with…

Multiagent Systems · Computer Science 2023-07-06 Shanqi Liu , Weiwei Liu , Wenzhou Chen , Guanzhong Tian , Yong Liu

Value-based methods of multi-agent reinforcement learning (MARL), especially the value decomposition methods, have been demonstrated on a range of challenging cooperative tasks. However, current methods pay little attention to the…

Machine Learning · Computer Science 2021-02-12 Xiaoteng Ma , Yiqin Yang , Chenghao Li , Yiwen Lu , Qianchuan Zhao , Yang Jun

Recent years have witnessed the great success of multi-agent systems (MAS). Value decomposition, which decomposes joint action values into individual action values, has been an important work in MAS. However, many value decomposition…

Artificial Intelligence · Computer Science 2022-04-29 Yunpeng Bai , Chen Gong , Bin Zhang , Guoliang Fan , Xinwen Hou , Yu Liu
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