The single machine batching problem with family setup times to minimize maximum lateness is strongly NP-hard

  • Authors:
  • T. C. E. Cheng;C. T. Ng;J. J. Yuan

  • Affiliations:
  • Department of Logistics, Faculty of Business, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, People's Republic of China;Department of Logistics, Faculty of Business, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, People's Republic of China;Department of Mathematics, Zhengzhou University, Zhengzhou, Henan 450052, People's Republic of China

  • Venue:
  • Journal of Scheduling
  • Year:
  • 2003

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Abstract

In this paper, we consider the single machine batching problem with family setup times to minimize maximum lateness. While the problem was proved to be binary NP-hard in 1978, whether the problem is strongly NP-hard is a long-standing open question. We show that this problem is strongly NP-hard.