A better lower bound on the competitive
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Marek Chrobak; Lawrence L. Larmore; Carsten Lund; Nick Reingold
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Article
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1997
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Elsevier Science
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English
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We present a lower bound of 1 + e-"' z 1.6065 on the competitive ratio of randomized algorithms for the weighted 2-cache problem, which is a special case of the 2-server problem. This improves the previously best known lower bound of e/(e-1) N 1.582 for both problems. @