A gap in scientific reporting

Gilbert Laporte, Paolo Toth

Research output: Contribution to journalLetterpeer-review


It is common to report optimality gap values in the computational results section of papers related to the solution of optimization problems. Several years of refereeing experience have taught us that these gaps are often improperly defined or incorrectly computed. In this note, we offer some comments on this topic.

Original languageEnglish
Early online date5 Jun 2021
Publication statusE-pub ahead of print - 5 Jun 2021


  • Integrality gaps
  • Optimality gaps
  • Optimization

ASJC Scopus subject areas

  • Management Information Systems
  • Theoretical Computer Science
  • Management Science and Operations Research
  • Computational Theory and Mathematics

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