Title of article :
Colouring Relatives of Intervals on the Plane, II: Intervals and Rays in Two Directions
Author/Authors :
Kostochka، نويسنده , , A.V. and Ne?et?il، نويسنده , , J.، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2002
Abstract :
We give exact upper bounds on the chromatic number for the intersection graphs of intervals and rays in two directions on the plane in terms of clique number.
Journal title :
European Journal of Combinatorics
Journal title :
European Journal of Combinatorics
