Journal of applied mathematics & informatics
- Volume 24 Issue 1_2
- /
- Pages.421-426
- /
- 2007
- /
- 2734-1194(pISSN)
- /
- 2234-8417(eISSN)
LABELLING OF SOME PLANAR GRAPHS WITH A CONDITION AT DISTANCE TWO
- Zhang, Sumei (School of Science, Jinan University) ;
- Ma, Qiaoling (School of Science, Jinan University)
- Published : 2007.05.31
Abstract
The problem of vertex labeling with a condition at distance two in a graph, is a variation of Hale's channel assignment problem, which was first explored by Griggs and Yeh. For positive integer