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With the explosive influence caused by the success of large language models (LLM) like ChatGPT and GPT-4, there has been an extensive amount of recent work showing that foundation models can be used to solve a large variety of tasks.…

Multiagent Systems · Computer Science 2024-02-12 Weizhe Chen , Sven Koenig , Bistra Dilkina

Multi-Agent Path Finding (MAPF) is an NP-hard problem with applications in warehouse automation and multi-robot coordination. Learning-based MAPF solvers offer fast and scalable planning but often produce feasible trajectories that contain…

Robotics · Computer Science 2026-01-29 Yimin Tang , Sven Koenig , Erdem Bıyık

Multi-Agent Pickup and Delivery (MAPD) is the problem of computing collision-free paths for a group of agents such that they can safely reach delivery locations from pickup ones. These locations are provided at runtime, making MAPD a…

Artificial Intelligence · Computer Science 2023-03-31 Giacomo Lodigiani , Nicola Basilico , Francesco Amigoni

Many real-world multi-agent systems exhibit nonlinear dynamics and complex inter-agent interactions. As these systems increase in scale, the main challenges arise from achieving scalability and handling nonconvexity. To address these…

Optimization and Control · Mathematics 2025-10-22 Taehyun Yoon , Augustinos D. Saravanos , Evangelos A. Theodorou

Existing multi-agent path finding (MAPF) solvers do not account for uncertain behavior of uncontrollable agents. We present a novel variant of Enhanced Conflict-Based Search (ECBS), for both one-shot and lifelong MAPF in dynamic…

Multiagent Systems · Computer Science 2025-07-31 Kegan J. Strawn , Thomy Phan , Eric Wang , Nora Ayanian , Sven Koenig , Lars Lindemann

In a multi-agent pathfinding (MAPF) problem, agents need to navigate from their start to their goal locations without colliding into each other. There are various MAPF algorithms, including Windowed Hierarchical Cooperative A*, Flow…

Artificial Intelligence · Computer Science 2019-06-18 Devon Sigurdson , Vadim Bulitko , Sven Koenig , Carlos Hernandez , William Yeoh

Multi-Agent Path Finding (MAPF), which focuses on finding collision-free paths for multiple robots, is crucial in autonomous warehouse operations. Lifelong MAPF (L-MAPF), where agents are continuously reassigned new targets upon completing…

Robotics · Computer Science 2025-01-07 Yimin Tang , Zhenghong Yu , Yi Zheng , T. K. Satish Kumar , Jiaoyang Li , Sven Koenig

Cooperative pathfinding is a problem of finding a set of non-conflicting trajectories for a number of mobile agents. Its applications include planning for teams of mobile robots, such as autonomous aircrafts, cars, or underwater vehicles.…

Robotics · Computer Science 2013-02-13 Michal Čáp , Peter Novák , Jiří Vokřínek , Michal Pěchouček

Multi-agent pathfinding (MAPF) is the problem of finding collision-free paths for a team of agents on a map. Although MAPF is NP-hard, the hardness of solving individual instances varies significantly, revealing a gap between theoretical…

Multiagent Systems · Computer Science 2025-12-12 Jingyao Ren , Eric Ewing , T. K. Satish Kumar , Sven Koenig , Nora Ayanian

The Travelling Salesman and its variations are some of the most well known NP hard optimisation problems. This paper looks to use both centralised and decentralised implementations of Evolutionary Algorithms (EA) to solve a dynamic variant…

Neural and Evolutionary Computing · Computer Science 2019-06-14 Thomas E. Kent , Arthur G. Richards

For efficiency reasons, manycore systems are increasingly heterogeneous, which makes the mapping of complex workloads a key problem with a high optimization potential. Constraints express the application requirements like which core type to…

Multiagent Systems · Computer Science 2022-04-15 Volker Wenzel , Lars Bauer , Wolfgang Schröder-Preikschat , Jörg Henkel

Coordinating a fully distributed multi-agent system (MAS) can be challenging when the communication channel has very limited capabilities in terms of sending rate and packet payload. When the MAS has to deal with active obstacles in a…

Robotics · Computer Science 2025-09-12 Vincenzo Suriani , Daniele Affinita , Domenico D. Bloisi , Daniele Nardi

This paper presents a decentralized multi-agent trajectory planning (MATP) algorithm that guarantees to generate a safe, deadlock-free trajectory in an obstacle-rich environment under a limited communication range. The proposed algorithm…

Robotics · Computer Science 2023-05-02 Jungwon Park , Inkyu Jang , H. Jin Kim

Decentralized multi-agent path finding (MAPF) routes a team of agents on a shared grid, each acting from its own local view. The standard solution trains one shared neural policy with Proximal Policy Optimization (PPO), a popular on-policy…

Machine Learning · Computer Science 2026-05-13 Riad Ahmed

With the rapid progress in Multi-Agent Path Finding (MAPF), researchers have studied how MAPF algorithms can be deployed to coordinate hundreds of robots in large automated warehouses. While most works try to improve the throughput of such…

Robotics · Computer Science 2023-10-31 Yulun Zhang , Matthew C. Fontaine , Varun Bhatt , Stefanos Nikolaidis , Jiaoyang Li

Multi-agent planning (MAP) approaches have been typically conceived for independent or loosely-coupled problems to enhance the benefits of distributed planning between autonomous agents as solving this type of problems require less…

Artificial Intelligence · Computer Science 2015-01-30 Alejandro Torreño , Eva Onaindia , Óscar Sapena

Multi-agent path finding (MAPF) is an indispensable component of large-scale robot deployments in numerous domains ranging from airport management to warehouse automation. In particular, this work addresses lifelong MAPF (LMAPF) - an online…

Robotics · Computer Science 2021-03-05 Mehul Damani , Zhiyao Luo , Emerson Wenzel , Guillaume Sartoretti

We propose an extension to the MAPF formulation, called SocialMAPF, to account for private incentives of agents in constrained environments such as doorways, narrow hallways, and corridor intersections. SocialMAPF is able to, for instance,…

Multiagent Systems · Computer Science 2022-10-18 Rohan Chandra , Rahul Maligi , Arya Anantula , Joydeep Biswas

Distributed Constraint Optimization (DCOP) is a powerful framework for representing and solving distributed combinatorial problems, where the variables of the problem are owned by different agents. Many multi-agent problems include…

Artificial Intelligence · Computer Science 2014-02-05 Tal Grinshpoun , Alon Grubshtein , Roie Zivan , Arnon Netzer , Amnon Meisels

We formalize the problem of multi-agent path finding with deadlines (MAPF-DL). The objective is to maximize the number of agents that can reach their given goal vertices from their given start vertices within a given deadline, without…

Artificial Intelligence · Computer Science 2018-05-15 Hang Ma , Glenn Wagner , Ariel Felner , Jiaoyang Li , T. K. Satish Kumar , Sven Koenig