• Title of article

    Critically prime interval orders Original Research Article

  • Author/Authors

    Imed Zaguia، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2008
  • Pages
    8
  • From page
    5727
  • To page
    5734
  • Abstract
    We prove that a prime interval order, not necessarily finite, has no prime upper cover if and only if it has width two. On the other hand, we prove that every finite prime image-free order has at least one prime upper cover.
  • Keywords
    Ordered set , Autonomous set , Module , Critical pair , Prime order , Interval order , NN-free
  • Journal title
    Discrete Mathematics
  • Serial Year
    2008
  • Journal title
    Discrete Mathematics
  • Record number

    947191