The transportation problem with exclusionary side constraints

D.R. Goossens, F.C.R. Spieksma

Research output: Contribution to journalArticleAcademicpeer-review

18 Citations (Scopus)


We consider the so-called Transportation Problem with Exclusionary Side Constraints (TPESC), which is a generalization of the ordinary transportation problem. We confirm that the TPESC is NP-hard, and we analyze the complexity of different special cases. For instance, we show that in case of a bounded number of suppliers, a pseudo-polynomial time algorithm exists, whereas the case of two demand nodes is already hard to approximate within a constant factor (unless P = NP).
Original languageEnglish
Pages (from-to)51-60
Journal4OR : A Quarterly Journal of Operations Research
Issue number1
Publication statusPublished - Mar 2009
Externally publishedYes


  • Transportation problem
  • Exclusionary side constraints
  • Complexity


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