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We propose an improved algorithm by identifying and encouraging cooperative behavior in multi-agent environments. First, we analyze the shortcomings of existing algorithms in addressing multi-agent reinforcement learning problems. Then,…

Multiagent Systems · Computer Science 2025-08-21 Junjie Qi , Siqi Mao , Tianyi Tan

Independent reinforcement learning algorithms have no theoretical guarantees for finding the best policy in multi-agent settings. However, in practice, prior works have reported good performance with independent algorithms in some domains…

Multiagent Systems · Computer Science 2021-11-02 Ken Ming Lee , Sriram Ganapathi Subramanian , Mark Crowley

Multi-agent systems provide a powerful way to extend large language models (LLMs) by decomposing a complex task into specialized subtasks handled by different agents. However, their performance is often hindered by error propagation,…

Machine Learning · Computer Science 2026-05-14 Zheng Wang , Yuang Liu , Yangkai Ding

Vital importance has necessity to be attached to cooperation in multi-agent environments, as a result of which some reinforcement learning algorithms combined with graph neural networks have been proposed to understand the mutual interplay…

Machine Learning · Computer Science 2021-10-26 Tianqi Shen , Hong Zhang , Ding Yuan , Jiaping Xiao , Yifan Yang

We propose a reinforcement learning agent to solve hard exploration games by learning a range of directed exploratory policies. We construct an episodic memory-based intrinsic reward using k-nearest neighbors over the agent's recent…

We present a novel multi-agent RL approach, Selective Multi-Agent Prioritized Experience Relay, in which agents share with other agents a limited number of transitions they observe during training. The intuition behind this is that even a…

Machine Learning · Computer Science 2024-04-25 Matthias Gerstgrasser , Tom Danino , Sarah Keren

This work extends an existing virtual multi-agent platform called RoboSumo to create TripleSumo -- a platform for investigating multi-agent cooperative behaviors in continuous action spaces, with physical contact in an adversarial…

Artificial Intelligence · Computer Science 2023-02-14 Ni Wang , Gautham P. Das , Alan G. Millard

Multi-agent systems have a wide range of applications in cooperative and competitive tasks. As the number of agents increases, nonstationarity gets more serious in multi-agent reinforcement learning (MARL), which brings great difficulties…

Machine Learning · Computer Science 2019-08-20 Jiancheng Long , Hongming Zhang , Tianyang Yu , Bo Xu

This paper introduces MANGO (Multilayer Abstraction for Nested Generation of Options), a novel hierarchical reinforcement learning framework designed to address the challenges of long-term sparse reward environments. MANGO decomposes…

Machine Learning · Computer Science 2025-08-26 Alessio Arcudi , Davide Sartor , Alberto Sinigaglia , Vincent François-Lavet , Gian Antonio Susto

Multiagent systems appear in most social, economical, and political situations. In the present work we extend the Deep Q-Learning Network architecture proposed by Google DeepMind to multiagent environments and investigate how two agents…

Artificial Intelligence · Computer Science 2015-11-30 Ardi Tampuu , Tambet Matiisen , Dorian Kodelja , Ilya Kuzovkin , Kristjan Korjus , Juhan Aru , Jaan Aru , Raul Vicente

A fundamental challenge in multiagent reinforcement learning is to learn beneficial behaviors in a shared environment with other simultaneously learning agents. In particular, each agent perceives the environment as effectively…

We propose a novel multi-agent reinforcement learning (RL) approach for inter-cell interference mitigation, in which agents selectively share their experiences with other agents. Each base station is equipped with an agent, which receives…

Machine Learning · Computer Science 2025-01-28 Madan Dahal , Mojtaba Vaezi

Sample-efficient online reinforcement learning often uses replay buffers to store experience for reuse when updating the value function. However, uniform replay is inefficient, since certain classes of transitions can be more relevant to…

Machine Learning · Computer Science 2025-05-12 Renhao Wang , Kevin Frans , Pieter Abbeel , Sergey Levine , Alexei A. Efros

This paper introduces a reinforcement learning framework that enables controllable and diverse player behaviors without relying on human gameplay data. Existing approaches often require large-scale player trajectories, train separate models…

Machine Learning · Computer Science 2025-12-12 Atahan Cilan , Atay Özgövde

Deep reinforcement learning has become an important paradigm for constructing agents that can enter complex multi-agent situations and improve their policies through experience. One commonly used technique is reactive training - applying…

Artificial Intelligence · Computer Science 2017-12-11 Alexander Peysakhovich , Adam Lerer

Reinforcement Learning (RL) has achieved significant success in application domains such as robotics, games and health care. However, training RL agents is very time consuming. Current implementations exhibit poor performance due to…

Machine Learning · Computer Science 2021-12-24 Chi Zhang , Sanmukh Rao Kuppannagari , Viktor K Prasanna

Many real-world problems, such as controlling swarms of drones and urban traffic, naturally lend themselves to modeling as multi-agent reinforcement learning (RL) problems. However, existing multi-agent RL methods often suffer from…

Multiagent Systems · Computer Science 2024-10-04 Vasanth Reddy Baddam , Suat Gumussoy , Almuatazbellah Boker , Hoda Eldardiry

Most deep reinforcement learning (RL) algorithms distill experience into parametric behavior policies or value functions via gradient updates. While effective, this approach has several disadvantages: (1) it is computationally expensive,…

Online Reinforcement Learning (RL) offers a promising paradigm for enhancing GUI agents through direct environment interaction. However, its effectiveness is severely hindered by inefficient credit assignment in long-horizon tasks and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Han Xiao , Guozhi Wang , Hao Wang , Shilong Liu , Yuxiang Chai , Yue Pan , Yufeng Zhou , Xiaoxin Chen , Yafei Wen , Hongsheng Li

In the early stages of human life, babies develop their skills by exploring different scenarios motivated by their inherent satisfaction rather than by extrinsic rewards from the environment. This behavior, referred to as intrinsic…

Machine Learning · Computer Science 2022-02-25 Alain Andres , Esther Villar-Rodriguez , Javier Del Ser
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