Irani, Sandy; Lu, Xiangwen; Regan, Amelia On-line algorithms for the dynamic traveling repair problem. (English) Zbl 1154.90461 J. Sched. 7, No. 3, 243-258 (2004). Summary: We consider the dynamic traveling repair problem in which requests with deadlines arrive through time on points in a metric space. Servers move from point to point at constant speed. The goal is to plan the motion of servers so that the maximum number of requests are met by their deadline. We consider a restricted version of the problem in which there is a single server and the length of time between the arrival of a request and its deadline is constant. We give upper bounds for the competitive ratio of two very natural algorithms as well as several lower bounds for any deterministic algorithm. Most of the results in this paper are expressed as a function of \(beta\), the diameter of the metric space. In particular, we prove that the upper bound given for one of the two algorithms is within a constant factor of the best possible competitive ratio. Cited in 2 ReviewsCited in 10 Documents MSC: 90B25 Reliability, availability, maintenance, inspection in operations research 90C35 Programming involving graphs or networks PDFBibTeX XMLCite \textit{S. Irani} et al., J. Sched. 7, No. 3, 243--258 (2004; Zbl 1154.90461) Full Text: DOI