Game chromatic number of toroidal grids

  • Authors:
  • Andre Raspaud;Jiaojiao Wu

  • Affiliations:
  • LaBRI, Universite Bordeaux I, 33405 Talence Cedex, France;LaBRI, Universite Bordeaux I, 33405 Talence Cedex, France

  • Venue:
  • Information Processing Letters
  • Year:
  • 2009

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Abstract

A toroidal grid graph C"m@?C"n is the Cartesian product of two cycles. We prove @g"g(TG)=col"g(TG)=5 for the family of toroidal grids TG. Moreover, we prove @g"g(C"2"m@?C"n)=5 for m=3 and n=7.