A note on pre-emptive scheduling with earliness and tardiness costs

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The option of pre-emption seems to have escaped the attention of existing literature on scheduling problems with earliness and tardiness costs. This note presents an attempt to accommodate pre-emption in such settings. The focus is on models with a common due date for all jobs under different cost structures (job dependent versus job independent), and different objectives (minsum and minmax). It appears that only one of these cases is not polynomially solvable: the case of minsum objective and job-dependent (linear) cost. An exact dynamic programming algorithm is introduced for this problem, as well as an efficient heuristic, which is shown to perform extremely well in our numerical tests.

Original languageAmerican English
Pages (from-to)401-406
Number of pages6
JournalProduction Planning and Control
Issue number4
StatePublished - 1996

Bibliographical note

Funding Information:
I would like to thank Avital Lann and Aliza Schachter for their helpful comments. This paper was partially supported by The Israel Foundation Trustees.


  • Deterministic scheduling
  • Earliness and tardiness costs
  • Heuristics
  • Pre-emption


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