Scheduling to minimize the maximum total completion time per machine
Long Wan,
Zhihao Ding,
Yunpeng Li,
Qianqian Chen and
Zhiyi Tan
European Journal of Operational Research, 2015, vol. 242, issue 1, 45-50
Abstract:
In this paper, we study the problem of minimizing the maximum total completion time per machine on m parallel and identical machines. We prove that the problem is strongly NP-hard if m is a part of the input. When m is a given number, a pseudo-polynomial time dynamic programming is proposed. We also show that the worst-case ratio of SPT is at most 2.608 and at least 2.5366 when m is sufficiently large. We further present another algorithm which has a worst-case ratio of 2.
Keywords: Scheduling; Parallel machine; Worst-case ratio (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:242:y:2015:i:1:p:45-50
DOI: 10.1016/j.ejor.2014.09.063
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