A Faster FPTAS for a Supply Chain Scheduling Problem to Minimize Holding Costs with Outsourcing

被引:0
|
作者
Liu, Shang-Chia [1 ]
Wu, Chin-Chia [2 ]
机构
[1] Fu Jen Catholic Univ, Dept Business Adm, New Taipei, Taiwan
[2] Feng Chia Univ, Dept Stat, Taichung, Taiwan
关键词
Supply chain scheduling; outsourcing; inventory control; FPTAS; approximation algorithm; shortest path problem; JOBS; MAINTENANCE; TIME;
D O I
10.1142/S0217595916500391
中图分类号
C93 [管理学]; O22 [运筹学];
学科分类号
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要
This paper addresses a scheduling problem in a flexible supply chain where the jobs can be either processed in house, or outsourced to a third-party supplier with the goal of minimizing the sum of holding and delivery costs subject to an upper bound on the outsourcing cost. The problem with identical job processing times has been proved as binary NP-hard one and a fully polynomial time approximation scheme (FPTAS) that runs in O(n(8)/epsilon(2)) time has also been given. The aim of this paper is to derive a more effective FPTAS running in O(n(4) log n log max{n, 1/epsilon}/epsilon(2)) time for this problem.
引用
收藏
页数:11
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