• Medientyp: E-Artikel
  • Titel: Scheduling uniform machines with restricted assignment
  • Beteiligte: Li, Shuguang; Liu, Zhimeng
  • Erschienen: American Institute of Mathematical Sciences (AIMS), 2022
  • Erschienen in: Mathematical Biosciences and Engineering, 19 (2022) 9, Seite 9697-9708
  • Sprache: Nicht zu entscheiden
  • DOI: 10.3934/mbe.2022450
  • ISSN: 1551-0018
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p xml:lang="fr">&lt;abstract&gt;&lt;p&gt;The problem of minimizing makespan (maximum completion time) on uniform machines with restricted assignment is considered. The machines differ in their speeds and functionalities. Each job has a set of machines to which it can be assigned, called its processing set. The goal is to finish the jobs as soon as possible. There exist 4/3-approximation algorithms for the cases of inclusive and tree-hierarchical assignment restrictions, under an assumption that machines with higher capabilities also run at higher speeds. We eliminate the assumption and present algorithms with approximation ratios 2 and 4/3 for both cases.&lt;/p&gt;&lt;/abstract&gt;</jats:p>
  • Zugangsstatus: Freier Zugang