双圈图补图的距离谱半径

李远菁; 李丹; 刘康

doi:10.13568/j.cnki.651094.651316.2022.05.19.0003

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双圈图补图的距离谱半径

更新时间：2026-01-21

- 双圈图补图的距离谱半径
- Journal of Xinjiang University (Natural Science Edition in Chinese and English) Vol. 40, Issue 2, Pages: 184-190(2023)
- 作者机构：
  
  新疆大学数学与系统科学学院
- 作者简介：
- 基金信息：
- DOI：10.13568/j.cnki.651094.651316.2022.05.19.0003
  CLC： O157.5
- Published：2023
- 稿件说明：
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[1]李远菁,李丹,刘康.双圈图补图的距离谱半径[J].新疆大学学报(自然科学版)(中英文),2023,40(02):184-190+221.
[1]李远菁,李丹,刘康.双圈图补图的距离谱半径[J].新疆大学学报(自然科学版)(中英文),2023,40(02):184-190+221. DOI： 10.13568/j.cnki.651094.651316.2022.05.19.0003.

DOI：10.13568/j.cnki.651094.651316.2022.05.19.0003.

摘要

设图G是一个简单连通图，点vi和vj之间最短路径的长度称为点vi和vj在图G中的距离，记作dG(vi

vj).图G的距离矩阵为D(G)=(dG(vi

vj))n×n.距离矩阵D(G)特征值的模的最大值称为图G的距离谱半径.在n阶双圈图补图中刻画了距离谱半径最大的极图.

Abstract

Let G be a simple connected graph.The distance between vertices vi and vj in the graph G

denoted by d G(vi

vj)

is the length of the shortest path from vi to vj

and D(G)=(dG(vi

vj))n×n is the distance matrix of G.The distance spectral radius of G is defined as the maximum module of eigenvalues of distance matrix D(G).We characterize the extremal graph among the complements of bicyclic graphs with n-order which maximizes the distance spectral radius.

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references

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