数学

基于含圈非连通图优美性的拓扑图密码

  • 牟亚蓉 ,
  • 刘信生 ,
  • 姚兵
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  • 西北师范大学 数学与统计学院, 兰州 730070

收稿日期: 2018-11-21

  网络出版日期: 2020-01-13

基金资助

国家自然科学基金(61163054,61363060,61662066)

Topological graph passwords based on the gracefulness of disconnected graphs with circles

  • MU Yarong ,
  • LIU Xinsheng ,
  • YAO Bing
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  • College of Mathematics and Statistics, Northwest Normal University, Lanzhou 730070, China

Received date: 2018-11-21

  Online published: 2020-01-13

摘要

图的标号是图论的一个重要分支,从非连通图入手,证明了两类非连通图G=(C4Kr)∪∪t=1kKm,ntG=(C4Kr)∪K1,n∪∪t=1kTt都具有优美标号.且证明方法能够算法化,为非连通图应用于网络提供了可行的理论保证.

本文引用格式

牟亚蓉 , 刘信生 , 姚兵 . 基于含圈非连通图优美性的拓扑图密码[J]. 华东师范大学学报(自然科学版), 2020 , 2020(1) : 51 -57 . DOI: 10.3969/j.issn.1000-5641.201811045

Abstract

Graph labeling is an important branch of graph theory. We use disconnected graphs to start our study, and show that disconnected graphs G = (C4, Kr)∪∪t=1kKm,nt and G = (C4, Kr)∪K1,n∪∪t=1kTt allow graceful labelings. Algorithms can be used to provide a theoretical basis for proving the application of disconnected graphs to networks.

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