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K-优美图与优美图Gk-1的优美性研究
引用本文:于艳华,王文祥,张昆龙.K-优美图与优美图Gk-1的优美性研究[J].西南师范大学学报(自然科学版),2012,37(5):1-5.
作者姓名:于艳华  王文祥  张昆龙
作者单位:华北科技学院基础部,河北三河,065201
基金项目:国家自然科学基金资助项目(19801016,10261003)
摘    要:对k-优美图n,Km,n与任意一个有k-1条边的优美图Gk-1的优美关系进行了研究.证明了:当n为奇数时,图n∪Gk-1是优美图;当n为偶数时,粘接图〈n,Gk-1〉是优美图.还证明了粘接图〈Km,n,Gk-1〉是优美图.

关 键 词:  优美图  优美标号  非连通图

On Gracefulness of k-Graceful Graph and Gk-1-Co-Graphs
YU Yan-hua , WANG Wen-xiang , ZHANG Kun-long.On Gracefulness of k-Graceful Graph and Gk-1-Co-Graphs[J].Journal of Southwest China Normal University(Natural Science),2012,37(5):1-5.
Authors:YU Yan-hua  WANG Wen-xiang  ZHANG Kun-long
Institution:Department of Basic Curriculum,North China Institute of Science & Technology,Sanhe Hebei 065201,China
Abstract:A study has been done in this thesis on the gracefulness of k-graceful graph n,K m,n and a randomly chosen graceful graph G k-1 with any k-1sides.The study proves that n ∪G k-1 is a graceful graph when nis an odd number;and that adhesive figure〈n,G k-1 〉is a graceful graph when nis an even num-ber.This study also demonstrates that〈 K m,n,G k-1 〉is graceful.
Keywords:graph  graceful graph  graceful label  unconnected graph
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