<i>L</i>(2,1)-Labeling Number of the Product and the Join Graph on Two Fans

• 作者: Qiaoling Ma Sumei Zhang
• 来源期刊: 应用数学(英文)
• 学科: 数学
• 关键词: LABELING NUMBER Join GRAPH PRODUCT GRAPH
• 年，卷（期）: 2013,（7）
• 页码范围: 1094-1096
• 页数: 3页
• 分类号: O1

摘要

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.