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Single-Agent (SA) Reinforcement Learning systems have shown outstanding re-sults on non-stationary problems. However, Multi-Agent Reinforcement Learning(MARL) can surpass SA systems generally and when scaling. Furthermore, MAsystems can be…

Artificial Intelligence · Computer Science 2021-12-16 Philipp Dominic Siedler

In most existing studies on large-scale multi-agent coordination, the control methods aim to learn discrete policies for agents with finite choices. They rarely consider selecting actions directly from continuous action spaces to provide…

Multiagent Systems · Computer Science 2022-08-24 Yining Chen , Ke Wang , Guanghua Song , Xiaohong Jiang

When solving a complex task, humans will spontaneously form teams and to complete different parts of the whole task, respectively. Meanwhile, the cooperation between teammates will improve efficiency. However, for current cooperative MARL…

Machine Learning · Computer Science 2021-02-10 Wenhao Li , Xiangfeng Wang , Bo Jin , Junjie Sheng , Yun Hua , Hongyuan Zha

Collective human knowledge has clearly benefited from the fact that innovations by individuals are taught to others through communication. Similar to human social groups, agents in distributed learning systems would likely benefit from…

Large language model (LLM) agents have shown increasing promise for collaborative task completion. However, existing multi-agent frameworks often rely on static workflows, fixed roles, and limited inter-agent communication, reducing their…

Multiagent Systems · Computer Science 2026-02-13 Chengxuan Xia , Qianye Wu , Sixuan Tian , Yilun Hao

Coordination is one of the most difficult aspects of multi-agent reinforcement learning (MARL). One reason is that agents normally choose their actions independently of one another. In order to see coordination strategies emerging from the…

Machine Learning · Computer Science 2023-01-16 Matteo Gallici , Mario Martin , Ivan Masmitja

This letter introduces a multi-rate task-oriented communication (MR-ToC) framework. This framework dynamically adapts to variations in affordable data rate within the communication pipeline. It conceptualizes communication pipelines as…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Anbang Zhang , Shuaishuai Guo

Recent studies have shown that introducing communication between agents can significantly improve overall performance in cooperative Multi-agent reinforcement learning (MARL). However, existing communication schemes often require agents to…

Artificial Intelligence · Computer Science 2020-12-29 Sai Qian Zhang , Jieyu Lin , Qi Zhang

Adaptive Traffic Signal Control (ATSC) aims to optimize traffic flow and minimize delays by adjusting traffic lights in real time. Recent advances in Multi-agent Reinforcement Learning (MARL) have shown promise for ATSC, yet existing…

Robotics · Computer Science 2026-03-26 Yifeng Zhang , Peizhuo Li , Tingguang Zhou , Mingfeng Fan , Guillaume Sartoretti

Multi-agent systems (MAS) based on large language models (LLMs) have emerged as a powerful solution for dealing with complex problems across diverse domains. The effectiveness of MAS is critically dependent on its collaboration topology,…

Multiagent Systems · Computer Science 2025-11-20 Shiyuan Li , Yixin Liu , Qingsong Wen , Chengqi Zhang , Shirui Pan

Deep reinforcement learning algorithms have recently been used to train multiple interacting agents in a centralised manner whilst keeping their execution decentralised. When the agents can only acquire partial observations and are faced…

Machine Learning · Computer Science 2020-01-27 Emanuele Pesce , Giovanni Montana

Large language model(LLM)-driven multi-agent systems(MAS) coordinate specialized agents through predefined interaction topologies and have shown promise for complex tasks such as competition-level code generation. Recent studies demonstrate…

Multiagent Systems · Computer Science 2026-02-20 Siyu Wang , Ruotian Lu , Zhihao Yang , Yuchao Wang , Yanzhou Zhang , Lei Xu , Qimin Xu , Guojun Yin , Cailian Chen , Xinping Guan

This paper introduces a novel data-driven hierarchical control scheme for managing a fleet of nonlinear, capacity-constrained autonomous agents in an iterative environment. We propose a control framework consisting of a high-level dynamic…

Robotics · Computer Science 2024-04-12 Charlott Vallon , Alessandro Pinto , Bartolomeo Stellato , Francesco Borrelli

Deep reinforcement learning has been applied successfully to solve various real-world problems and the number of its applications in the multi-agent settings has been increasing. Multi-agent learning distinctly poses significant challenges…

Machine Learning · Computer Science 2021-02-24 Ngoc Duy Nguyen , Thanh Thi Nguyen , Doug Creighton , Saeid Nahavandi

Large language model-based multi-agent systems have recently gained significant attention due to their potential for complex, collaborative, and intelligent problem-solving capabilities. Existing surveys typically categorize LLM-based…

Multiagent Systems · Computer Science 2026-05-27 Bingyu Yan , Zhibo Zhou , Litian Zhang , Lian Zhang , Ziyi Zhou , Dezhuang Miao , Zhoujun Li , Chaozhuo Li , Xiaoming Zhang

We consider the issue of multiple agents learning to communicate through reinforcement learning within partially observable environments, with a focus on information asymmetry in the second part of our work. We provide a review of the…

Machine Learning · Computer Science 2019-11-14 Mohamed Salah Zaïem , Etienne Bennequin

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

Discovering successful coordinated behaviors is a central challenge in Multi-Agent Reinforcement Learning (MARL) since it requires exploring a joint action space that grows exponentially with the number of agents. In this paper, we propose…

Machine Learning · Computer Science 2021-10-14 Ammar Fayad , Majd Ibrahim

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

Accurately predicting opponents' behavior from interactions is a fundamental capability for large language model (LLM)-based agents in multi-agent and game-theoretic environments. Existing approaches often entangle opponent modeling with…

Artificial Intelligence · Computer Science 2026-05-11 Shiyue Cao , Pei Xu , Likun Yang , Lei Cui , Xiaotang Chen , Kaiqi Huang