Note on the work function algorithm

We prove that the work function algorithm is (n-l)-competitive for the k-server problem, where n is the number of points in the metric space. This gives improved upper bounds when k +3 < n < 2k-1; in particular, it shows that the work function algorithm is optimal for k = n-1. Recently this re...

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Bibliographic Details
Main Author: Csaba Béla
Format: Article
Published: 2000
Series:Acta cybernetica 14 No. 3
Kulcsszavak:Számítástechnika, Kibernetika, Algoritmus
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Online Access:http://acta.bibl.u-szeged.hu/12644
Description
Summary:We prove that the work function algorithm is (n-l)-competitive for the k-server problem, where n is the number of points in the metric space. This gives improved upper bounds when k +3 < n < 2k-1; in particular, it shows that the work function algorithm is optimal for k = n-1. Recently this result was proved independently by Koutsoupias in [K].
Physical Description:503-506
ISSN:0324-721X