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直径为4的树的奇强协调性 被引量:5

Odd Strong Harmounious of Trees Whose Diameters are Four
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摘要 对简单图G=〈V,E〉,如果存在一个映射f:V→{0,1,2,…,2 E-1}满足1)对任意的u,v∈V,若u≠v,则f(u)≠f(v);2)对任意的e1,e2∈E,若e1≠e2,则g(e1)≠g(e2),此处g(e)=f(u)+f(v),e=uv;3){g(e)e∈E}={1,3,5,…,2 E-1},则称G为奇强协调图,f称为G的奇强协调标号.给出了直径为4的树的奇强协调标号. Let G = (V,E) be a simple graph. If there exist a mapping f:V→{0,1,2,…,2 E-1}Satisfied 1) u,v∈V,if u≠v,then f(u)≠f(v);2)e1,e2∈E,if e1≠e2,then g(e1)≠g(e2),here g(e)=f(u)+f(v),e=uv;3){g(e)e∈E}={1,3,5,…,2 E-1}, then G is called odd strong harmonious graph and f is called odd strong harmonious labeling of G. In this paper ,We give odd strong harmonious labeling of trees whose diameters are four.
作者 冉红 李武装
出处 《数学的实践与认识》 CSCD 北大核心 2007年第12期133-136,共4页 Mathematics in Practice and Theory
基金 河南省自然科学基金项目(0511013800)
关键词 直径 奇强协调图 奇强协调标号 diameters tree odd strong harmonious graph odd strong harmonious labeling
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参考文献4

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同被引文献38

  • 1谢继国,张效贤,刘永平.优美图的若干性质[J].甘肃高师学报,2004,9(2):1-6. 被引量:3
  • 2刘永平,谢继国.11阶树的优美标号[J].甘肃科学学报,2005,17(4):6-8. 被引量:3
  • 3Joseph A.Gallian.A Dynamic Survey of Graph Labeling[J].The Electronic Journal of Combinatiorics,2009,16:5-6.
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  • 10Frank Hsu D. Harmonious labellings of windmill graphs and related graphs[J]. Journal of Graph Theory, 1982, 611): 85-87.

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