|本期目录/Table of Contents|

[1]曹月芬,李美莲.随机聚苯链的基尔霍夫指标[J].集美大学学报(自然科学版),2021,26(6):552-555.
 CAO Yuefen,LI Meilian.Kirchhoff Index of Random Polyphenyl Chains[J].Journal of Jimei University,2021,26(6):552-555.
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《集美大学学报(自然科学版)》[ISSN:1007-7405/CN:35-1186/N]

卷:
第26卷
期数:
2021年第6期
页码:
552-555
栏目:
数理科学与信息工程
出版日期:
2021-12-28

文章信息/Info

Title:
Kirchhoff Index of Random Polyphenyl Chains
作者:
曹月芬1李美莲2
(1.集美大学理学院,福建 厦门 361021;2.龙岩学院数学与信息工程学院,福建 龙岩 364012)
Author(s):
CAO Yuefen1LI Meilian2
(1.School of Science,Jimei University,Xiamen 361021,China;2.School of Mathematics and Information Engineering,Longyan University,Longyan 364012,China)
关键词:
基尔霍夫指标随机聚苯链电阻距离
Keywords:
Kirchhoff indexrandom polyphenyl chainsresistance distance
分类号:
-
DOI:
-
文献标志码:
A
摘要:
连通图G的基尔霍夫指标Kf(G)定义为图G中所有点对之间的电阻距离之和。为了得出随机聚苯链的基尔霍夫指标,利用数学期望的定义及性质,得到一个随机聚苯链的基尔霍夫指标的期望值的精确公式。
Abstract:
The Kirchhoff index of a connected graph was the sum of the resistance distance between all pairs of vertices of the graph.In order to get the Kirchhoff index of random polyphenyl chains,this paper made use of the definition and its linear properties of mathematical expectation,and a simple exact formula for the expected value of the Kirchhoff index of a random polyphenyl chains was consequently obtained.

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更新日期/Last Update: 2022-02-23