A Quasi-Polynomial Approximation for the Restricted Assignment Problem
A Quasi-Polynomial Approximation for the Restricted Assignment Problem
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DOI:
10.1007/978-3-319-59250-3_25
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发表时间:
2017-01
期刊:
影响因子:
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通讯作者:
K. Jansen;Lars Rohwedder
中科院分区:
文献类型:
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作者:
K. Jansen;Lars Rohwedder
Scheduling jobs on unrelated machines and minimizing the makespan is a classical problem in combinatorial optimization. A jobjhas a processing timefor every machinei. The best polynomial algorithm known for this problem goes back to Lenstra et al. and has an approximation ratio of 2. In this paper we study theRestricted Assignmentproblem, which is the special case where. We present an algorithm for this problem with an approximation ratio ofand quasi-polynomial running timefor every. This closes the gap to the best estimation algorithm known for the problem with regard to quasi-polynomial running time.