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Multi-Agent Reinforcement Learning (MARL) methods find optimal policies for agents that operate in the presence of other learning agents. Central to achieving this is how the agents coordinate. One way to coordinate is by learning to…

Multiagent Systems · Computer Science 2020-04-10 Shubham Gupta , Rishi Hazra , Ambedkar Dukkipati

Effective communication in Multi-Agent Reinforcement Learning (MARL) can significantly enhance coordination and collaborative performance in complex and partially observable environments. However, reliance on communication can also…

Multiagent Systems · Computer Science 2025-05-09 Nancirose Piazza , Amirhossein Karimia , Behnia Soleymanib , Vahid Behzadan , Stefan Sarkadi

We consider a multi-agent reinforcement learning problem where each agent seeks to maximize a shared reward while interacting with other agents, and they may or may not be able to communicate. Typically the agents do not have access to…

Multiagent Systems · Computer Science 2021-04-26 Alex Tong Lin , Mark J. Debord , Katia Estabridis , Gary Hewer , Guido Montufar , Stanley Osher

Communication is one of the effective means to improve the learning of cooperative policy in multi-agent systems. However, in most real-world scenarios, lossy communication is a prevalent issue. Existing multi-agent reinforcement learning…

Artificial Intelligence · Computer Science 2026-03-11 Guang Yang , Tianpei Yang , Jingwen Qiao , Yanqing Wu , Jing Huo , Xingguo Chen , Yang Gao

[Zhang, ICML 2018] provided the first decentralized actor-critic algorithm for multi-agent reinforcement learning (MARL) that offers convergence guarantees. In that work, policies are stochastic and are defined on finite action spaces. We…

Machine Learning · Computer Science 2021-02-22 Antoine Grosnit , Desmond Cai , Laura Wynter

Traditional methods plan feasible paths for multiple agents in the stochastic environment. However, the methods' iterations with the changes in the environment result in computation complexities, especially for the decentralized agents…

Robotics · Computer Science 2024-10-28 Qizhen Wu , Kexin Liu , Lei Chen , Jinhu Lü

Multi-agent reinforcement learning (MARL) has recently received considerable attention due to its applicability to a wide range of real-world applications. However, achieving efficient communication among agents has always been an…

Machine Learning · Computer Science 2019-11-04 Sai Qian Zhang , Qi Zhang , Jieyu Lin

The emergence of Large Language Models (LLMs) is rapidly accelerating the development of autonomous multi-agent systems (MAS), paving the way for the Internet of Agents. However, traditional centralized MAS architectures present significant…

Multiagent Systems · Computer Science 2025-12-03 Yepeng Ding , Ahmed Twabi , Junwei Yu , Lingfeng Zhang , Tohru Kondo , Hiroyuki Sato

Deep multi-agent reinforcement learning (MARL) has been demonstrated effectively in simulations for multi-robot problems. For autonomous vehicles, the development of vehicle-to-vehicle (V2V) communication technologies provide opportunities…

Robotics · Computer Science 2026-05-14 Keshawn Smith , Zhili Zhang , H M Sabbir Ahmad , Ehsan Sabouni , Mainak Mondal , Song Han , Wenchao Li , Fei Miao

Communication is essential for the collective execution of complex tasks by human agents, motivating interest in communication mechanisms for multi-agent reinforcement learning (MARL). However, existing communication protocols in MARL are…

Machine Learning · Computer Science 2026-01-26 Maciej Wojtala , Bogusz Stefańczyk , Dominik Bogucki , Łukasz Lepak , Jakub Strykowski , Paweł Wawrzyński

Many multi-agent scenarios require message sharing among agents to promote coordination, hastening the robustness of multi-agent communication when policies are deployed in a message perturbation environment. Major relevant works tackle…

Multiagent Systems · Computer Science 2026-04-03 Lei Yuan , Tao Jiang , Lihe Li , Feng Chen , Zongzhang Zhang , Yang Yu

In this paper, we devise three actor-critic algorithms with decentralized training for multi-agent reinforcement learning in cooperative, adversarial, and mixed settings with continuous action spaces. To this goal, we adapt the MADDPG…

Machine Learning · Computer Science 2025-03-11 Diego Bolliger , Lorenz Zauter , Robert Ziegler

This work explores the large-scale multi-agent communication mechanism under a multi-agent reinforcement learning (MARL) setting. We summarize the general categories of topology for communication structures in MARL literature, which are…

Machine Learning · Computer Science 2020-02-12 Junjie Sheng , Xiangfeng Wang , Bo Jin , Junchi Yan , Wenhao Li , Tsung-Hui Chang , Jun Wang , Hongyuan Zha

Learning communication via deep reinforcement learning (RL) or imitation learning (IL) has recently been shown to be an effective way to solve Multi-Agent Path Finding (MAPF). However, existing communication based MAPF solvers focus on…

Robotics · Computer Science 2021-12-24 Ziyuan Ma , Yudong Luo , Jia Pan

Distributed multichannel active noise control (DMCANC) systems assign the high computational load of conventional centralized algorithms across multiple processing nodes, leveraging inter-node communication to collaboratively suppress…

Signal Processing · Electrical Eng. & Systems 2025-10-02 Junwei Ji , Dongyuan Shi , Zhengding Luo , Boxiang Wang , Ziyi Yang , Haowen Li , Woon-Seng Gan

Growing at a fast pace, modern autonomous systems will soon be deployed at scale, opening up the possibility for cooperative multi-agent systems. Sharing information and distributing workloads allow autonomous agents to better perform tasks…

Machine Learning · Computer Science 2021-10-13 James Tu , Tsunhsuan Wang , Jingkang Wang , Sivabalan Manivasagam , Mengye Ren , Raquel Urtasun

Traditional centralized multi-agent reinforcement learning (MARL) algorithms are sometimes unpractical in complicated applications, due to non-interactivity between agents, curse of dimensionality and computation complexity. Hence, several…

Machine Learning · Computer Science 2023-07-10 Wenhao Li , Bo Jin , Xiangfeng Wang , Junchi Yan , Hongyuan Zha

Multi-Agent Reinforcement Learning (MARL) comprises a broad area of research within the field of multi-agent systems. Several recent works have focused specifically on the study of communication approaches in MARL. While multiple…

Machine Learning · Computer Science 2024-03-27 Rafael Pina , Varuna De Silva , Corentin Artaud , Xiaolan Liu

This article presents a novel multi-agent spatial transformer (MAST) for learning communication policies in large-scale decentralized and collaborative multi-robot systems (DC-MRS). Challenges in collaboration in DC-MRS arise from: (i)…

Robotics · Computer Science 2025-09-23 Damian Owerko , Frederic Vatnsdal , Saurav Agarwal , Vijay Kumar , Alejandro Ribeiro

This paper proposes a multi-agent reinforcement learning (MARL) approach to learn dynamic dispatching strategies, which is crucial for optimizing throughput in material handling systems across diverse industries. To benchmark our method, we…

Machine Learning · Computer Science 2024-09-30 Xian Yeow Lee , Haiyan Wang , Daisuke Katsumata , Takaharu Matsui , Chetan Gupta