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Multi-Agent Reinforcement Learning (MARL) holds significant promise for enabling cooperative driving among Connected and Automated Vehicles (CAVs). However, its practical application is hindered by a critical limitation, i.e., insufficient…

Robotics · Computer Science 2025-12-01 Yuchen Shi , Huaxin Pei , Yi Zhang , Danya Yao

Recent advances in multi-agent reinforcement learning (MARL) have demonstrated success in numerous challenging domains and environments, but typically require specialized models for each task. In this work, we propose a coherent methodology…

Learning effective representations in image-based environments is crucial for sample efficient Reinforcement Learning (RL). Unfortunately, in RL, representation learning is confounded with the exploratory experience of the agent -- learning…

Machine Learning · Computer Science 2021-07-21 Denis Yarats , Rob Fergus , Alessandro Lazaric , Lerrel Pinto

Multi-agent reinforcement learning (MARL) has shown significant potential in traffic signal control (TSC). However, current MARL-based methods often suffer from insufficient generalization due to the fixed traffic patterns and road network…

Multiagent Systems · Computer Science 2025-03-13 Yihong Li , Chengwei Zhang , Furui Zhan , Wanting Liu , Kailing Zhou , Longji Zheng

Multi-Agent Reinforcement Learning (MARL) presents a promising approach for addressing the complexity of Traffic Signal Control (TSC) in urban environments. However, existing platforms for MARL-based TSC research face challenges such as…

Multiagent Systems · Computer Science 2024-10-25 Rohit Bokade , Xiaoning Jin

Existing communication methods for multi-agent reinforcement learning (MARL) in cooperative multi-robot problems are almost exclusively task-specific, training new communication strategies for each unique task. We address this inefficiency…

Multiagent Systems · Computer Science 2024-03-12 Dulhan Jayalath , Steven Morad , Amanda Prorok

Model-free deep reinforcement learning (RL) has demonstrated its superiority on many complex sequential decision-making problems. However, heavy dependence on dense rewards and high sample-complexity impedes the wide adoption of these…

Machine Learning · Computer Science 2020-04-02 Zhuangdi Zhu , Kaixiang Lin , Bo Dai , Jiayu Zhou

Multi-agent reinforcement learning (MARL) has witnessed significant progress with the development of value function factorization methods. It allows optimizing a joint action-value function through the maximization of factorized per-agent…

Multiagent Systems · Computer Science 2023-05-05 Hanhan Zhou , Tian Lan , Vaneet Aggarwal

Many cooperative multiagent reinforcement learning environments provide agents with a sparse team-based reward, as well as a dense agent-specific reward that incentivizes learning basic skills. Training policies solely on the team-based…

Machine Learning · Computer Science 2020-10-13 Shauharda Khadka , Somdeb Majumdar , Santiago Miret , Stephen McAleer , Kagan Tumer

Inferring reward functions from demonstrations is a key challenge in reinforcement learning (RL), particularly in multi-agent RL (MARL), where large joint state-action spaces and complex inter-agent interactions complicate the task. While…

Machine Learning · Computer Science 2025-02-03 The Viet Bui , Tien Mai , Hong Thanh Nguyen

Recent advances in multi-agent reinforcement learning (MARL) allow agents to coordinate their behaviors in complex environments. However, common MARL algorithms still suffer from scalability and sparse reward issues. One promising approach…

Artificial Intelligence · Computer Science 2023-02-08 Rundong Wang , Longtao Zheng , Wei Qiu , Bowei He , Bo An , Zinovi Rabinovich , Yujing Hu , Yingfeng Chen , Tangjie Lv , Changjie Fan

The wind farm control problem is challenging, since conventional model-based control strategies require tractable models of complex aerodynamical interactions between the turbines and suffer from the curse of dimension when the number of…

Machine Learning · Computer Science 2025-01-24 Claire Bizon Monroc , Ana Bušić , Donatien Dubuc , Jiamin Zhu

The multi-robot adaptive sampling problem aims at finding trajectories for a team of robots to efficiently sample the phenomenon of interest within a given endurance budget of the robots. In this paper, we propose a robust and scalable…

Robotics · Computer Science 2023-03-02 Lishuo Pan , Sandeep Manjanna , M. Ani Hsieh

Handling the problem of scalability is one of the essential issues for multi-agent reinforcement learning (MARL) algorithms to be applied to real-world problems typically involving massively many agents. For this, parameter sharing across…

Multiagent Systems · Computer Science 2023-03-03 Woojun Kim , Youngchul Sung

Scheduling problems pose significant challenges in resource, industry, and operational management. This paper addresses the Unrelated Parallel Machine Scheduling Problem (UPMS) with setup times and resources using a Multi-Agent…

Artificial Intelligence · Computer Science 2024-11-13 Maria Zampella , Urtzi Otamendi , Xabier Belaunzaran , Arkaitz Artetxe , Igor G. Olaizola , Giuseppe Longo , Basilio Sierra

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

Being difficult to scale poses great problems in multi-agent coordination. Multi-agent Reinforcement Learning (MARL) algorithms applied in small-scale multi-agent systems are hard to extend to large-scale ones because the latter is far more…

Artificial Intelligence · Computer Science 2022-02-22 Zixuan Cao , Mengzhi Shi , Zhanbo Zhao , Xiujun Ma

In recent years, simulations of pedestrians using the multi-agent reinforcement learning (MARL) have been studied. This study considered the roads on a grid-world environment, and implemented pedestrians as MARL agents using an echo-state…

Multiagent Systems · Computer Science 2025-04-14 Hisato Komatsu

We consider model-based multi-agent reinforcement learning, where the environment transition model is unknown and can only be learned via expensive interactions with the environment. We propose H-MARL (Hallucinated Multi-Agent Reinforcement…

Machine Learning · Computer Science 2022-07-12 Pier Giuseppe Sessa , Maryam Kamgarpour , Andreas Krause

Recently, intent-based management has received good attention in telecom networks owing to stringent performance requirements for many of the use cases. Several approaches in the literature employ traditional closed-loop driven methods to…

Machine Learning · Computer Science 2022-08-29 Satheesh K. Perepu , Jean P. Martins , Ricardo Souza S , Kaushik Dey