Paul O’Donnell

Authors

Geombinatorics Quarterly

Paul O’Donnell

  • Article Title – A Large Independent Set in the Unit Distance Graph
  • Article Title – A Triangle-free 4-chromatic Graph in the Plane
    • Vol Issue – Vol IV (1), 1994 
    • Pages – 23
       
  • Article Title – Letter to the Editor
    • Vol Issue – Vol IV (1), 1994
    •  Pages – 30
       
  • Article Title – A 40 Vertex 4-Chromatic Triangle-Free Unit Distance Graph
    • Vol Issue – Vol V (1), 1995 
    • Pages – 30
       
  • Article Title – Some 4-Chromatic Unit-Distance Graphs Without Small Cycles
    • Vol Issue – Vol V (4), 1996 
    • Pages – 137
       
  • Article Title – Arbitrary Girth, 4-Chromatic Unit Distance Graphs in the Plane Part 1: Graph Description
    • Vol Issue – Vol IX (3), 2000 
    • Pages – 145
       
  • Article Title – Arbitrary Girth, 4-Chromatic Unit Distance Graphs in the Plane Part 2: Graph Embedding 
    • Vol Issue – Vol IX (4), 2000 
    • Pages – 180