• Title of article

    Kr-Free Uniquely Vertex Colorable Graphs with Minimum Possible Edges

  • Author/Authors

    Akbari، نويسنده , , S. and Mirrokni، نويسنده , , V.S. and Sadjad، نويسنده , , B.S.، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2001
  • Pages
    3
  • From page
    316
  • To page
    318
  • Abstract
    We construct counterexamples to the conjecture of Xu (1990, J. Combin. Theory Ser. B50, 319–320) that every uniquely r-colorable graph of order n with exactly (r−1) n−(r2) edges must contain a Kr.
  • Journal title
    Journal of Combinatorial Theory Series B
  • Serial Year
    2001
  • Journal title
    Journal of Combinatorial Theory Series B
  • Record number

    1526859