Author(s)

Sumei Zhang, Qiaoling Ma

School of Mathematical Sciences, University of Jinan, Jinan, China.

L(2,1)-labeling number of the product and the join graph on two fans are discussed in this paper, we proved that L(2,1)-labeling number of the product graph on two fans is λ(G) ≤ Δ+3 , L(2,1)-labeling number of the join graph on two fans is λ(G) ≤ 2Δ+3.

Labeling Number; Join Graph; Product Graph

Zhang, S. and Ma, Q. (2013) L(2,1)-Labeling Number of the Product and the Join Graph on Two Fans. Applied Mathematics, 4, 1094-1096. doi: 10.4236/am.2013.47147.