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Multi-agent reinforcement learning (MARL) methods typically require that agents enjoy global state observability, preventing development of decentralized algorithms and limiting scalability. Recent work has shown that, under assumptions on…

Machine Learning · Computer Science 2025-05-30 Wesley A Suttle , Vipul K Sharma , Brian M Sadler

Cooperative multi-agent reinforcement learning (MARL) benchmarks commonly emphasize aggregate outcomes such as return, success rate, or completion time. While essential, these metrics often fail to reveal how agents coordinate, particularly…

Multiagent Systems · Computer Science 2026-05-08 Maria Ana Cardei , Matthew Landers , Afsaneh Doryab

In order to collaborate efficiently with unknown partners in cooperative control settings, adaptation of the partners based on online experience is required. The rather general and widely applicable control setting, where each cooperation…

Multiagent Systems · Computer Science 2019-10-30 Florian Köpf , Samuel Tesfazgi , Michael Flad , Sören Hohmann

Multi-agent reinforcement learning (MARL) provides an efficient way for simultaneously learning policies for multiple agents interacting with each other. However, in scenarios requiring complex interactions, existing algorithms can suffer…

Machine Learning · Computer Science 2022-03-08 Xiaobai Ma , David Isele , Jayesh K. Gupta , Kikuo Fujimura , Mykel J. Kochenderfer

The complexity of multiagent reinforcement learning (MARL) in multiagent systems increases exponentially with respect to the agent number. This scalability issue prevents MARL from being applied in large-scale multiagent systems. However,…

Multiagent Systems · Computer Science 2020-03-05 Chuangchuang Sun , Macheng Shen , Jonathan P. How

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

Despite the success of single-agent reinforcement learning, multi-agent reinforcement learning (MARL) remains challenging due to complex interactions between agents. Motivated by decentralized applications such as sensor networks, swarm…

Machine Learning · Computer Science 2019-01-10 Hoi-To Wai , Zhuoran Yang , Zhaoran Wang , Mingyi Hong

Multi-agent reinforcement learning methods such as VDN, QMIX, and QTRAN that adopt centralized training with decentralized execution (CTDE) framework have shown promising results in cooperation and competition. However, in some multi-agent…

Multiagent Systems · Computer Science 2022-03-29 Jiajun Chai , Weifan Li , Yuanheng Zhu , Dongbin Zhao , Zhe Ma , Kewu Sun , Jishiyu Ding

We consider multi-agent reinforcement learning (MARL) for cooperative communication and coordination tasks. MARL agents can be brittle because they can overfit their training partners' policies. This overfitting can produce agents that…

Artificial Intelligence · Computer Science 2022-03-08 Tessa van der Heiden , Herke van Hoof , Efstratios Gavves , Christoph Salge

Spatial information is essential in various fields. How to explicitly model according to the spatial location of agents is also very important for the multi-agent problem, especially when the number of agents is changing and the scale is…

Multiagent Systems · Computer Science 2023-04-26 Dapeng Li , Zhiwei Xu , Bin Zhang , Guoliang Fan

Recently, many cooperative distributed multi-agent reinforcement learning (MARL) algorithms have been proposed in the literature. In this work, we study the effect of adversarial attacks on a network that employs a consensus-based MARL…

Systems and Control · Electrical Eng. & Systems 2021-03-15 Martin Figura , Krishna Chaitanya Kosaraju , Vijay Gupta

In this paper, we apply an multi-agent reinforcement learning (MARL) framework allowing the base station (BS) and the user equipments (UEs) to jointly learn a channel access policy and its signaling in a wireless multiple access scenario.…

Information Theory · Computer Science 2022-06-09 Mateus P. Mota , Alvaro Valcarce , Jean-Marie Gorce

In heterogeneous networks (HetNets), the overlap of small cells and the macro cell causes severe cross-tier interference. Although there exist some approaches to address this problem, they usually require global channel state information,…

Systems and Control · Electrical Eng. & Systems 2022-12-16 Kaidi Xu , Nguyen Van Huynh , Geoffrey Ye Li

Cooperative multi-agent reinforcement learning (MARL) has achieved significant results, most notably by leveraging the representation-learning abilities of deep neural networks. However, large centralized approaches quickly become…

Multiagent Systems · Computer Science 2022-12-05 Nikunj Gupta , G Srinivasaraghavan , Swarup Kumar Mohalik , Nishant Kumar , Matthew E. Taylor

An often neglected issue in multi-agent reinforcement learning (MARL) is the potential presence of unreliable agents in the environment whose deviations from expected behavior can prevent a system from accomplishing its intended tasks. In…

Multiagent Systems · Computer Science 2024-05-31 Ho Long Fung , Victor-Alexandru Darvariu , Stephen Hailes , Mirco Musolesi

It can largely benefit the reinforcement learning (RL) process of each agent if multiple geographically distributed agents perform their separate RL tasks cooperatively. Different from multi-agent reinforcement learning (MARL) where…

Machine Learning · Computer Science 2023-10-03 Kaiyue Wu , Xiao-Jun Zeng

In real-world environments, autonomous agents rely on their egocentric observations. They must learn adaptive strategies to interact with others who possess mixed motivations, discernible only through visible cues. Several Multi-Agent…

Multiagent Systems · Computer Science 2023-12-15 Violet Xiang , Logan Cross , Jan-Philipp Fränken , Nick Haber

Multi-agent systems (MAS) have shown great potential in executing complex tasks, but coordination and safety remain significant challenges. Multi-Agent Reinforcement Learning (MARL) offers a promising framework for agent collaboration, but…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Ziqi Jia , Junjie Li , Xiaoyang Qu , Jianzong Wang

A central problem in the theory of multi-agent reinforcement learning (MARL) is to understand what structural conditions and algorithmic principles lead to sample-efficient learning guarantees, and how these considerations change as we move…

Machine Learning · Computer Science 2023-05-02 Dylan J. Foster , Dean P. Foster , Noah Golowich , Alexander Rakhlin

Deep reinforcement learning (RL) has been applied extensively to solve complex decision-making problems. In many real-world scenarios, tasks often have several conflicting objectives and may require multiple agents to cooperate, which are…

Artificial Intelligence · Computer Science 2026-03-03 Tianmeng Hu , Biao Luo , Chunhua Yang , Tingwen Huang