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Avoiding collisions is the core problem in multi-agent navigation. In decentralized settings, when agents have limited communication and sensory capabilities, collisions are typically avoided in a reactive fashion, relying on local…

Multiagent Systems · Computer Science 2021-07-02 Stepan Dergachev , Konstantin Yakovlev

In this paper, we investigate learning temporal abstractions in cooperative multi-agent systems, using the options framework (Sutton et al, 1999). First, we address the planning problem for the decentralized POMDP represented by the…

Artificial Intelligence · Computer Science 2020-03-23 Jhelum Chakravorty , Nadeem Ward , Julien Roy , Maxime Chevalier-Boisvert , Sumana Basu , Andrei Lupu , Doina Precup

Establishing the absence of deadlocks is important in many applications of formal methods. The use of model checking for finding deadlocks in formal models is often limited. In this paper we propose a constraint-based approach to finding…

Logic in Computer Science · Computer Science 2011-09-12 Stefan Hallerstede , Michael Leuschel

Operational semantics has established itself as a flexible but rigorous means to describe the meaning of programming languages. Oftentimes, it is felt necessary to keep a semantics small, for example to facilitate its use for model checking…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-03-17 Benjamin Morandi , Sebastian Nanz , Bertrand Meyer

Unless special conditions apply, the attempt to solve ill-conditioned systems of linear equations with standard numerical methods leads to uncontrollably high numerical error. Often, such systems arise from the discretization of operator…

Numerical Analysis · Mathematics 2021-05-18 Stephan Mohr , Yuji Nakatsukasa , Carolina Urzúa-Torres

We propose a method for the decomposition of modal formulae on processes with nondeterminism and probability with respect to Structural Operational Semantics. The purpose is to reduce the satisfaction problem of a formula for a process to…

Logic in Computer Science · Computer Science 2023-06-22 Valentina Castiglioni , Daniel Gebler , Simone Tini

We study algorithmic problems in multi-stage open shop processing systems that are centered around reachability and deadlock detection questions. We characterize safe and unsafe system states. We show that it is easy to recognize system…

Data Structures and Algorithms · Computer Science 2011-02-16 Christian Eggermont , Alexander Schrijver , Gerhard J. Woeginger

Programming models for concurrency are optimized for dealing with nondeterminism, for example to handle asynchronously arriving events. To shield the developer from data race errors effectively, such models may prevent shared access to data…

Software Engineering · Computer Science 2014-10-24 Mischael Schill , Sebastian Nanz , Bertrand Meyer

Abstract argumentation framework (\AFname) is a unifying framework able to encompass a variety of nonmonotonic reasoning approaches, logic programming and computational argumentation. Yet, efficient approaches for most of the decision and…

Artificial Intelligence · Computer Science 2014-11-19 Federico Cerutti , Ilias Tachmazidis , Mauro Vallati , Sotirios Batsakis , Massimiliano Giacomin , Grigoris Antoniou

How can models effectively detect out-of-distribution (OOD) samples in complex, multi-label settings without extensive retraining? Existing OOD detection methods struggle to capture the intricate semantic relationships and label…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Zhendong Liu , Yi Nian , Yuehan Qin , Henry Peng Zou , Li Li , Xiyang Hu , Yue Zhao

In this work, the synchronization problem of a master-slave system of autonomous ordinary differential equations (ODEs) is considered. Here, the systems are, chaotic with a nonlinearity represented by a piecewise linear function,…

Chaotic Dynamics · Physics 2021-12-16 J. Telenchana , A. Acosta , P. Garcia

In scheduling and timetabling applications, the mutual-exclusion constraint stipulates that certain pairs of tasks that cannot be executed at the same time. This corresponds to the vertex colouring problem in graph theory, for which there…

Optimization and Control · Mathematics 2019-04-09 Jakub Marecek , Andrew J. Parkes

The actor model is an attractive foundation for developing concurrent applications because actors are isolated concurrent entities that communicate through asynchronous messages and do not share state. Thereby, they avoid concurrency bugs…

Programming Languages · Computer Science 2018-04-25 Carmen Torres Lopez , Stefan Marr , Hanspeter Mössenböck , Elisa Gonzalez Boix

A novel human-machine interactive training method for dynamic load change operation in air separation processes (ASPs) is proposed. A shadow operator (SO) is developed in this method to train ASP operators through industrial model…

Systems and Control · Electrical Eng. & Systems 2023-07-07 Guanghui Yang , Zhijiang Shao , Rui Wang , Zuhua Xu , Lidan Cui

Loop closure detection is the process involved when trying to find a match between the current and a previously visited locations in SLAM. Over time, the amount of time required to process new observations increases with the size of the…

Robotics · Computer Science 2024-07-24 Mathieu Labbé , François Michaud

Out-of-distribution (OOD) detection has emerged as a popular technique to enhance the reliability of machine learning models by identifying unexpected inputs from unknown classes. Recent progress in pre-trained vision-language models (VLMs)…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yuanwei Hu , Bo Peng , Yadan Luo , Zhen Fang , Ling Chen , Jie Lu

In a process algebra with hiding and recursion it is possible to create processes which compute internally without ever communicating with their environment. Such processes are said to diverge or livelock. In this paper we show how it is…

Logic in Computer Science · Computer Science 2015-07-01 Joel Ouaknine , Hristina Palikareva , A. W. Roscoe , James Worrell

Screening traditionally refers to the problem of detecting active inputs in the computer model. In this paper, we develop methodology that applies to screening, but the main focus is on detecting active inputs not in the computer model…

Computation · Statistics 2024-02-20 Pierre Barbillon , Anabel Forte , Rui Paulo

Most proof systems for concurrent programs assume the underlying memory model to be sequentially consistent (SC), an assumption which does not hold for modern multicore processors. These processors, for performance reasons, implement…

Logic in Computer Science · Computer Science 2013-04-11 Chinmay Narayan , Shibashis Guha , S. Arun-Kumar

The field of Distributed Constraint Optimization Problems (DCOPs) has gained momentum, thanks to its suitability in capturing complex problems (e.g., multi-agent coordination and resource allocation problems) that are naturally distributed…

Multiagent Systems · Computer Science 2014-05-16 Tiep Le , Enrico Pontelli , Tran Cao Son , William Yeoh