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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

In the last decade, there have been significant advances in multi-agent reinforcement learning (MARL) but there are still numerous challenges, such as high sample complexity and slow convergence to stable policies, that need to be overcome…

Artificial Intelligence · Computer Science 2023-03-02 Sriram Ganapathi Subramanian , Matthew E. Taylor , Kate Larson , Mark Crowley

Recent advances in video generation have spurred the development of world models capable of simulating 3D-consistent environments and interactions with static objects. However, a significant limitation remains in their ability to model…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Anmol Agarwal , Pranay Meshram , Sumer Singh , Saurav Suman , Andrew Lapp , Shahbuland Matiana , Louis Castricato , Spencer Frazier

This work presents a novel representation learning framework, *interaction-world* latent (IWoL), to facilitate *team coordination* in multi-agent reinforcement learning (MARL). Building effective representation for team coordination is a…

Artificial Intelligence · Computer Science 2026-02-03 Dongsu Lee , Daehee Lee , Yaru Niu , Honguk Woo , Amy Zhang , Ding Zhao

Symbolic world models (e.g., PDDL domains or executable simulators) are central to model-based planning, but training LLMs to generate such world models is limited by the lack of large-scale verifiable supervision. Current approaches rely…

Artificial Intelligence · Computer Science 2025-12-30 Mengkang Hu , Bowei Xia , Yuran Wu , Ailing Yu , Yude Zou , Qiguang Chen , Shijian Wang , Jiarui Jin , Kexin Li , Wenxiang Jiao , Yuan Lu , Ping Luo

Real world deployment of multi agent reinforcement learning MARL systems is fundamentally constrained by limited compute memory and inference time. While expert policies achieve high performance they rely on costly decision cycles and large…

Artificial Intelligence · Computer Science 2026-04-09 Monirul Islam Pavel , Siyi Hu , Muhammad Anwar Masum , Mahardhika Pratama , Ryszard Kowalczyk , Zehong Jimmy Cao

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

Recent advances in Reinforcement Learning (RL) have led to many exciting applications. These advancements have been driven by improvements in both algorithms and engineering, which have resulted in faster training of RL agents. We present…

Multiagent Systems · Computer Science 2023-07-26 Kinal Mehta , Anuj Mahajan , Pawan Kumar

The number of agents can be an effective curriculum variable for controlling the difficulty of multi-agent reinforcement learning (MARL) tasks. Existing work typically uses manually defined curricula such as linear schemes. We identify two…

Artificial Intelligence · Computer Science 2025-05-16 Wenshuai Zhao , Zhiyuan Li , Joni Pajarinen

In this paper, we study the cooperative Multi-Agent Reinforcement Learning (MARL) problems using Reward Machines (RMs) to specify the reward functions such that the prior knowledge of high-level events in a task can be leveraged to…

Artificial Intelligence · Computer Science 2024-03-13 Xuejing Zheng , Chao Yu

In recent years, model-based reinforcement learning (MBRL) has emerged as a solution to address sample complexity in multi-agent reinforcement learning (MARL) by modeling agent-environment dynamics to improve sample efficiency. However,…

Multiagent Systems · Computer Science 2025-01-20 Zifeng Shi , Meiqin Liu , Senlin Zhang , Ronghao Zheng , Shanling Dong

We present a novel study on enhancing the capability of preserving the content in world models, focusing on a property we term World Stability. Recent diffusion-based generative models have advanced the synthesis of immersive and realistic…

Machine Learning · Computer Science 2025-03-12 Soonwoo Kwon , Jin-Young Kim , Hyojun Go , Kyungjune Baek

Learning to coordinate many agents in partially observable and highly dynamic environments requires both informative representations and data-efficient training. To address this challenge, we present a novel model-based multi-agent…

Machine Learning · Computer Science 2026-02-16 Zhizun Wang , David Meger

Deep reinforcement learning (DRL) has long been a promising solution for sequential resource management in wireless networks. However, conventional DRL methods are fundamentally limited by their reliance on unimodal policy distributions,…

In medicine, treatments often influence multiple, interdependent outcomes, such as primary endpoints, complications, adverse events, or other secondary endpoints. Hence, to make optimal treatment decisions, clinicians are interested in…

Machine Learning · Computer Science 2025-06-03 Yuchen Ma , Jonas Schweisthal , Hengrui Zhang , Stefan Feuerriegel

This paper proposes MATT-Diff: Multimodal Active Target Tracking by Diffusion Policy, a control policy for active multi-target tracking using a mobile agent. The policy enables multiple behavior modes for the agent, including exploration,…

Robotics · Computer Science 2026-04-23 Saida Liu , Nikolay Atanasov , Shumon Koga

Information gathering in large-scale or time-critical scenarios (e.g., environmental monitoring, search and rescue) requires broad coverage within limited time budgets, motivating the use of multi-agent systems. These scenarios are commonly…

Robotics · Computer Science 2026-05-01 Jeric Lew , Yuhong Cao , Derek Ming Siang Tan , Guillaume Sartoretti

We introduce MARL-MambaContour, the first contour-based medical image segmentation framework based on Multi-Agent Reinforcement Learning (MARL). Our approach reframes segmentation as a multi-agent cooperation task focused on generate…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Ruicheng Zhang , Yu Sun , Zeyu Zhang , Jinai Li , Xiaofan Liu , Au Hoi Fan , Haowei Guo , Puxin Yan

Before taking actions in an environment with more than one intelligent agent, an autonomous agent may benefit from reasoning about the other agents and utilizing a notion of a guarantee or confidence about the behavior of the system. In…

Machine Learning · Computer Science 2024-02-12 Nikunj Gupta , Somjit Nath , Samira Ebrahimi Kahou

The evolution of metropolitan cities and the increase in travel demands impose stringent requirements on traffic assignment methods. Multi-agent reinforcement learning (MARL) approaches outperform traditional methods in modeling adaptive…

Machine Learning · Computer Science 2025-12-16 Leizhen Wang , Peibo Duan , Cheng Lyu , Zewen Wang , Zhiqiang He , Nan Zheng , Zhenliang Ma