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1. 华北科技学院基础部
2. 首都师范大学数学系
纸质出版日期:2012-05-01,
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[1]王涛,李德明.几类特殊图的优美性[J].武汉大学学报(理学版),2012,58(05):437-440.
WANG TAO1, LI DEMING2. The Gracefulness of Some Special Graph Classes. [J]. 2012, 58(5): 437-440.
[1]王涛,李德明.几类特殊图的优美性[J].武汉大学学报(理学版),2012,58(05):437-440. DOI: 10.14188/j.1671-8836.2012.05.012.
WANG TAO1, LI DEMING2. The Gracefulness of Some Special Graph Classes. [J]. 2012, 58(5): 437-440. DOI: 10.14188/j.1671-8836.2012.05.012.
证明了对任意大于1的自然数n
p
当m≥2p+2时
非连通图Fm∪Kn
p和Fm
2 m∪Kn
p是优美图;当m≥3时
图Fm∪St(n)是优美图;当m≥4
图Fm
2 m∪St(n)和Fm
2 m∪Gr是优美图.
In this paper
we show that for natural numbers n
p which are greater than one
the graphs Fm∪Kn
p and Fm
2m∪Kn
p are graceful
when m is not less than 2p+2;the graph Fm∪St(n) is graceful
when m is not less than 3
the graphs Fm
2m∪St(n) and Fm
2m∪Gr are graceful
when m is not less than 4.
图优美图优美标号非连通图
graphsgraceful graphsgraceful labelingdisconnected graph
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