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《山东大学学报(理学版)》 ›› 2020, Vol. 55 ›› Issue (4): 97-101.doi: 10.6040/j.issn.1671-9352.0.2019.392

• • 上一篇    

三类正则图的Balaban指标

拉白1,邓波1,2,3,4,5*,冶成福1,4,付凤1,李宜婧1   

  1. 1. 青海师范大学数学与统计学院, 青海 西宁 810008;2. 藏文信息处理教育部重点实验室, 青海 西宁 810008;3.青海省藏文信息处理与机器翻译重点实验室, 青海 西宁 810008;4. 高原科学与可持续发展研究院, 青海 西宁 810008;5. 广东石油化工学院理学院, 广东 茂名 525000
  • 发布日期:2020-04-09
  • 作者简介:拉白( 1993— ),男,硕士研究生,研究方向为组合数学与图论. E-mail:854847673@qq.com*通信作者简介:邓波( 1983— ),男,博士,副教授,研究方向为组合数学与图论.E-mail:dengbo450@163.com
  • 基金资助:
    青海省科技厅项目(2018-ZJ-925Q);国家自然科学基金资助项目(11701311,QY201907);广东省自然科学基金项目-博士启动项目(2016A030310307)

Balaban indices of three kinds of regular graphs

LA Bai1, DENG Bo1,2,3,4,5*, YE Cheng-fu1,4, FU Feng1, LI Yi-jing1   

  1. 1. College of Mathematics and Statistics, Qinghai Normal University, Xining 810008, Qinghai, China;
    2. Tibetan Intelligent Information Processing and Machine Translation Key Laboratory, Xining 810008, Qinghai, China;
    3. Key Laboratory of Tibetan Information Processing and Machine Translation, Qinghai Province, Xining 810008, Qinghai, China;
    4. Academy of Plateau, Science and Sustainability, Xining 810008, Qinghai, China;
    5. College of Science, Guangdong University of Petrochemical Technology, Maoming 525000, Guangdong, China
  • Published:2020-04-09

摘要: Balaban指标作为一类重要的图的拓扑指标, 被广泛应用定量结构-活性相关(quantitative structure-activity relationship, QSAR)和定量结构-性质相关(quantitative structure-property relationship, QSPR)的各方面研究。给出了正则图Balaban指标的一个下界, 然后分别给出小世界网络图、K2×Ct卡氏积,以及在K2×Ct卡式积的基础上构造了一类4-正则图的Balaban指标计算公式。

关键词: Balaban指标, 正则图, 小世界网络图, 卡氏积

Abstract: As an important topological index of a graph, the Balaban index has been widely used in various QSAR(quantitative structure-activity relationship)and QSPR(quantitative structure-property relationship)studies. A lower bound on the Balaban index of a regular graph is given. Then the Balaban index of the small world network graphs, the Cartesian product K2×Ct and a kind of 4-regular graphs produced by the Cartesian product K2×Ct were shown respectively.

Key words: Balaban index, regular graphs, small world network graph, Cartesian product

中图分类号: 

  • O157
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