Title of article :
On perfectness of sums of graphs Original Research Article
Author/Authors :
D. de Werra، نويسنده , , A. Hertz، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1999
Abstract :
We consider the operation of summation of two graphs G1 and G2. Necessary and sufficient conditions for G1 + G2 to be perfect are derived.
Keywords :
Perfect graphs , Coloring , Sum of graphs
Journal title :
Discrete Mathematics
Journal title :
Discrete Mathematics