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Actor-critic methods integrating target networks have exhibited a stupendous empirical success in deep reinforcement learning. However, a theoretical understanding of the use of target networks in actor-critic methods is largely missing in…

Machine Learning · Computer Science 2022-02-24 Anas Barakat , Pascal Bianchi , Julien Lehmann

In many real-world multi-robot tasks, high-quality solutions often require a team of robots to perform asynchronous actions under decentralized control. Decentralized multi-agent reinforcement learning methods have difficulty learning…

Robotics · Computer Science 2020-03-05 Yuchen Xiao , Joshua Hoffman , Tian Xia , Christopher Amato

Reinforcement learning has gathered much attention in recent years due to its rapid development and rich applications, especially on control systems and robotics. When tackling real-world applications with reinforcement learning method, the…

Machine Learning · Computer Science 2025-10-02 Andy Wu , Chun-Cheng Lin , Rung-Tzuo Liaw , Yuehua Huang , Chihjung Kuo , Chia Tong Weng

Multi-agent reinforcement learning (MARL) has attracted much research attention recently. However, unlike its single-agent counterpart, many theoretical and algorithmic aspects of MARL have not been well-understood. In this paper, we study…

Machine Learning · Computer Science 2021-12-08 Siliang Zeng , Tianyi Chen , Alfredo Garcia , Mingyi Hong

This paper investigates how deep multi-agent reinforcement learning can enable the scalable and privacy-preserving coordination of residential energy flexibility. The coordination of distributed resources such as electric vehicles and…

Systems and Control · Electrical Eng. & Systems 2023-06-06 Flora Charbonnier , Bei Peng , Thomas Morstyn , Malcolm McCulloch

In this paper, we consider the problem of actor-critic reinforcement learning. Firstly, we extend the actor-critic architecture to actor-critic-N architecture by introducing more critics beyond rewards. Secondly, we combine the reward-based…

Machine Learning · Computer Science 2020-06-15 Weiya Ren

In order to collaborate efficiently with unknown partners in cooperative control settings, adaptation of the partners based on online experience is required. The rather general and widely applicable control setting, where each cooperation…

Multiagent Systems · Computer Science 2019-10-30 Florian Köpf , Samuel Tesfazgi , Michael Flad , Sören Hohmann

The vulnerability of machine learning models to adversarial attacks has been attracting considerable attention in recent years. Most existing studies focus on the behavior of stand-alone single-agent learners. In comparison, this work…

Machine Learning · Computer Science 2025-05-13 Ying Cao , Elsa Rizk , Stefan Vlaski , Ali H. Sayed

Most solutions to the inventory management problem assume a centralization of information that is incompatible with organisational constraints in real supply chain networks. The inventory management problem is a well-known planning problem…

Machine Learning · Computer Science 2023-07-24 Marwan Mousa , Damien van de Berg , Niki Kotecha , Ehecatl Antonio del Rio-Chanona , Max Mowbray

Effective coordination is crucial to solve multi-agent collaborative (MAC) problems. While centralized reinforcement learning methods can optimally solve small MAC instances, they do not scale to large problems and they fail to generalize…

Machine Learning · Computer Science 2019-10-22 Nicolas Carion , Gabriel Synnaeve , Alessandro Lazaric , Nicolas Usunier

This paper extends off-policy reinforcement learning to the multi-agent case in which a set of networked agents communicating with their neighbors according to a time-varying graph collaboratively evaluates and improves a target policy…

Machine Learning · Computer Science 2019-11-20 Wesley Suttle , Zhuoran Yang , Kaiqing Zhang , Zhaoran Wang , Tamer Basar , Ji Liu

Experimental advances enabling high-resolution external control create new opportunities to produce materials with exotic properties. In this work, we investigate how a multi-agent reinforcement learning approach can be used to design…

Statistical Mechanics · Physics 2021-11-15 Shriram Chennakesavalu , Grant M. Rotskoff

Centralised training with decentralised execution (CT-DE) serves as the foundation of many leading multi-agent reinforcement learning (MARL) algorithms. Despite its popularity, it suffers from a critical drawback due to its reliance on…

Multiagent Systems · Computer Science 2023-06-23 Taher Jafferjee , Juliusz Ziomek , Tianpei Yang , Zipeng Dai , Jianhong Wang , Matthew Taylor , Kun Shao , Jun Wang , David Mguni

We reformulate the option framework as two parallel augmented MDPs. Under this novel formulation, all policy optimization algorithms can be used off the shelf to learn intra-option policies, option termination conditions, and a master…

Machine Learning · Computer Science 2019-09-12 Shangtong Zhang , Shimon Whiteson

Reinforcement learning (RL) algorithms can find an optimal policy for a single agent to accomplish a particular task. However, many real-world problems require multiple agents to collaborate in order to achieve a common goal. For example, a…

Machine Learning · Computer Science 2025-10-20 Jan Corazza , Hadi Partovi Aria , Hyohun Kim , Daniel Neider , Zhe Xu

Actor-critic methods can achieve incredible performance on difficult reinforcement learning problems, but they are also prone to instability. This is partly due to the interaction between the actor and critic during learning, e.g., an…

Machine Learning · Computer Science 2019-02-26 Simone Parisi , Voot Tangkaratt , Jan Peters , Mohammad Emtiyaz Khan

Actor-critic methods for decentralized multi-agent reinforcement learning (MARL) facilitate collaborative optimal decision making without centralized coordination, thus enabling a wide range of applications in practice. To date, however,…

Machine Learning · Computer Science 2025-08-14 Zhiyao Zhang , Myeung Suk Oh , FNU Hairi , Ziyue Luo , Alvaro Velasquez , Jia Liu

Centralized Training with Decentralized Execution (CTDE) has emerged as a widely adopted paradigm in multi-agent reinforcement learning, emphasizing the utilization of global information for learning an enhanced joint $Q$-function or…

Artificial Intelligence · Computer Science 2024-04-23 Yiqun Chen , Hangyu Mao , Jiaxin Mao , Shiguang Wu , Tianle Zhang , Bin Zhang , Wei Yang , Hongxing Chang

Multi-agent reinforcement learning (MARL) has long been a significant and everlasting research topic in both machine learning and control. With the recent development of (single-agent) deep RL, there is a resurgence of interests in…

Machine Learning · Computer Science 2019-12-10 Kaiqing Zhang , Zhuoran Yang , Tamer Başar

Both generative adversarial networks (GAN) in unsupervised learning and actor-critic methods in reinforcement learning (RL) have gained a reputation for being difficult to optimize. Practitioners in both fields have amassed a large number…

Machine Learning · Computer Science 2017-01-19 David Pfau , Oriol Vinyals