The Online Freeze-Tag Problem

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The Online Freeze-Tag Problem

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Publication Conference Paper, peer reviewed
Title The Online Freeze-Tag Problem
Author Hammar, Mikael ; Nilsson, Bengt J ; Persson, Mia
Editor Correa, José R ; Hevia, Alejandro ; Kiwi, Marcos
Date 2006
English abstract
We consider the following problem from swarm robotics: given one or more “awake” robots in some metric space M, wake up a set of “asleep” robots. A robot awakens a sleeping robot by moving to the sleeping robot’s position. When a robot awakens, it is available to assist in awakening other slumbering robots. We investigate offline and online versions of this problem and give a 2-competitive strategy and a lower bound of 2 in the case when M is discrete and the objective is to minimize the total movement cost. We also study the case when M is continuous and show a lower bound of 7/3 when the objective is to minimize the time when the last robot awakens.
DOI https://doi.org/10.1007/11682462 (link to publisher's fulltext.)
Publisher Springer Verlag
Host/Issue LATIN 2006: Theoretical Informatics
Series/Issue Lecture Notes in Computer Science;3887
ISSN 0302-9743
ISBN 978-3-540-32755-4
Pages p 569-579
Language eng (iso)
Subject Sciences
Research Subject Categories::MATHEMATICS::Applied mathematics::Theoretical computer science
Research Subject Categories::TECHNOLOGY::Information technology::Computer science::Computer science
Note 7th Latin American Symposium on Theoretical Informatics, Valdivia, Chi... (see Details for more)
Handle http://hdl.handle.net/2043/11486 Permalink to this page
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