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In this paper, we study the problem of reinforcement learning in multi-agent systems where communication among agents is limited. We develop a decentralized actor-critic learning framework in which each agent performs several local updates…

Machine Learning · Computer Science 2025-10-23 Xiaoxing Ren , Nicola Bastianello , Thomas Parisini , Andreas A. Malikopoulos

Training agents in multi-agent competitive games presents significant challenges due to their intricate nature. These challenges are exacerbated by dynamics influenced not only by the environment but also by opponents' strategies. Existing…

Machine Learning · Computer Science 2023-08-22 The Viet Bui , Tien Mai , Thanh Hong Nguyen

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…

Multi-agent Reinforcement Learning (MARL) problems often require cooperation among agents in order to solve a task. Centralization and decentralization are two approaches used for cooperation in MARL. While fully decentralized methods are…

Multiagent Systems · Computer Science 2021-11-30 Bengisu Guresti , Nazim Kemal Ure

Sharing knowledge between tasks is vital for efficient learning in a multi-task setting. However, most research so far has focused on the easier case where knowledge transfer is not harmful, i.e., where knowledge from one task cannot…

Machine Learning · Computer Science 2019-07-08 Timo Bram , Gino Brunner , Oliver Richter , Roger Wattenhofer

Relational networks within a team play a critical role in the performance of many real-world multi-robot systems. To successfully accomplish tasks that require cooperation and coordination, different agents (e.g., robots) necessitate…

Robotics · Computer Science 2023-10-20 Yasin Findik , Hamid Osooli , Paul Robinette , Kshitij Jerath , S. Reza Ahmadzadeh

Joint attention - the ability to purposefully coordinate attention with another agent, and mutually attend to the same thing -- is a critical component of human social cognition. In this paper, we ask whether joint attention can be useful…

Artificial Intelligence · Computer Science 2021-08-10 Dennis Lee , Natasha Jaques , Chase Kew , Jiaxing Wu , Douglas Eck , Dale Schuurmans , Aleksandra Faust

A major challenge for Multi-Agent Systems is enabling agents to adapt dynamically to diverse environments in which opponents and teammates may continually change. Agents trained using conventional methods tend to excel only within the…

Artificial Intelligence · Computer Science 2025-04-09 Qian Long , Ruoyan Li , Minglu Zhao , Tao Gao , Demetri Terzopoulos

This study proposes the use of a social learning method to estimate a global state within a multi-agent off-policy actor-critic algorithm for reinforcement learning (RL) operating in a partially observable environment. We assume that the…

Machine Learning · Computer Science 2024-07-09 Ainur Zhaikhan , Ali H. Sayed

The problem of learning simultaneously several related tasks has received considerable attention in several domains, especially in machine learning with the so-called multitask learning problem or learning to learn problem [1], [2].…

Signal Processing · Electrical Eng. & Systems 2021-09-29 Roula Nassif , Stefan Vlaski , Cedric Richard , Jie Chen , Ali H. Sayed

In this paper, we explore using deep reinforcement learning for problems with multiple agents. Most existing methods for deep multi-agent reinforcement learning consider only a small number of agents. When the number of agents increases,…

Machine Learning · Computer Science 2018-05-24 Arbaaz Khan , Clark Zhang , Daniel D. Lee , Vijay Kumar , Alejandro Ribeiro

Recent technological progress in the development of Unmanned Aerial Vehicles (UAVs) together with decreasing acquisition costs make the application of drone fleets attractive for a wide variety of tasks. In agriculture, disaster management,…

Robotics · Computer Science 2024-10-30 Yoav Alon , Huiyu Zhou

In this work, we present a novel multi-modal multi-agent trajectory prediction architecture, focusing on map and interaction modeling using graph representation. For the purposes of map modeling, we capture rich topological structure into…

Robotics · Computer Science 2022-03-02 Faris Janjoš , Maxim Dolgov , J. Marius Zöllner

Social recommendation leverages social information to solve data sparsity and cold-start problems in traditional collaborative filtering methods. However, most existing models assume that social effects from friend users are static and…

Information Retrieval · Computer Science 2019-03-26 Qitian Wu , Hengrui Zhang , Xiaofeng Gao , Peng He , Paul Weng , Han Gao , Guihai Chen

Deep multi-task learning attracts much attention in recent years as it achieves good performance in many applications. Feature learning is important to deep multi-task learning for sharing common information among tasks. In this paper, we…

Machine Learning · Computer Science 2020-02-13 Pengxin Guo , Chang Deng , Linjie Xu , Xiaonan Huang , Yu Zhang

The ever-increasing demand for high-quality and heterogeneous wireless communication services has driven extensive research on dynamic optimization strategies in wireless networks. Among several possible approaches, multi-agent deep…

Networking and Internet Architecture · Computer Science 2024-10-28 Lorenzo Mario Amorosa , Marco Skocaj , Roberto Verdone , Deniz Gündüz

We study the problem of cooperative multi-agent reinforcement learning with a single joint reward signal. This class of learning problems is difficult because of the often large combined action and observation spaces. In the fully…

Multi-agent adversarial inverse reinforcement learning (MA-AIRL) is a recent approach that applies single-agent AIRL to multi-agent problems where we seek to recover both policies for our agents and reward functions that promote expert-like…

Multiagent Systems · Computer Science 2020-02-26 Wonseok Jeon , Paul Barde , Derek Nowrouzezahrai , Joelle Pineau

Many real-world systems, such as transportation systems, ecological systems, and Internet systems, are complex systems. As an important tool for studying complex systems, computational experiments can map them into artificial society models…

Multiagent Systems · Computer Science 2025-07-29 Ming Zhang , Yiling Xuan , Qun Ma , Yuwei Guo

We propose a decentralized reinforcement learning solution for multi-agent shepherding of non-cohesive targets using policy-gradient methods. Our architecture integrates target-selection with target-driving through Proximal Policy…

Machine Learning · Computer Science 2025-04-04 Stefano Covone , Italo Napolitano , Francesco De Lellis , Mario di Bernardo