位置：成果数据库 > 期刊 > 期刊详情页
给定参数的图的第二Laplacian谱矩的上界
  • ISSN号：0465-7942
  • 期刊名称：《南开大学学报：自然科学版》
  • 时间：0
  • 分类：O157.5[理学—数学;理学—基础数学]
  • 作者机构：[1]山东工商学院数学与信息科学学院,山东烟台264005
  • 相关基金：Supported by the Natural Science Foundation of China（10871205,11101245）; the Natural Science Foundation of Shandong Province（BS2010SF017,ZR2001AQ005）; the Young Foundation of Shandong Institute of Business and Technogy（2011QN066）
作者： 曲慧[1]
关键词： 图, Laplacian谱矩, 匹配数, 点连通度, 色数, graphs, Laplacian spectral moment, matching number, connectivity, chromatic number
中文摘要：

给出了给定匹配数、点连通度或者色数的图的第二Laplacian谱矩的上界,并刻画了能够取到极值的极图.

英文摘要：

The sharp upper bounds for the second Laplacian spectral moment of graphs is presented with given matching number,connectivity and chromatic number,respectively.Moreover,the extremal graphs with the extremal values are obtained.

同期刊论文项目
图上的几类矩阵的特征值与积和式理论
期刊论文 34
具有良好传递性的组合结构
期刊论文 56
同项目期刊论文
Further results regarding the degree kirchhoff index of graphs
Degree Distance of Unicyclic Graphs with Given Matching Number
On the second maximal and minimal Wiener index of unicyclic graphs with given girth
On the hyper-Wiener index of cacti
On Connective Eccentricity Index of Graphs
The signless Laplacian spectral radius of graphs on surfaces
The hyper-Wiener index of graphs with given diameter
The hyper-Wiener index of graphs with a given chromatic (clique) number
当匹配数很小时具有最小拉普拉斯谱半径的树(英文)
A combinatorial identity of multiple zeta values with even arguments
The inertia of weighted unicyclic graphs
The hyper-Wiener index of graphs with given bipartition
The degree Kirchhoff index of fully loaded unicyclic graphs and cacti
Further results on the distance spectral radius of graphs
On the connective eccentricity index of trees and unicyclic graphs with given diameter
The minimal positive index of inertia of signed unicyclic graphs
Degree Kirchhoff index of unicyclic graphs
Bicyclic graphs with small positive index of inertia
Trees with small matching number and minimum Laplacian spectral radius
The Laplacian spectral radius of graphs with given connectivity
On the average eccentricity of unicyclic graphs
The Harary index of trees
A note on the Kirchhoff index of bicyclic graphs
给定独立数的单圈图的最小特征值
具有禁用子图的图的(全)符号控制数
作用在有限线性空间上基柱为F_4(q)的几乎单群
一般投影线性群PGL(2,q)和4-(q+1,5,λ)设计
二维射影线性群与区传递4-(v,6,λ)设计
区传递的2-(v,11,1)设计与典型单群
门限代理门限签名方案的密码学分析
围长为2的奇数阶本原极小强连通有向图的1-指数集
The Modified Schultz Index of Trees
Locally Transitive Graphs Admitting a Group with Cyclic Sylow Subgroups
Block-Transitive 2-(v,k,1) Designs and Groups E6(q)
Almost Simple Groups With Socle Sz(q) Acting on Finite Linear Spaces
GL(2,Q)的2阶元共轭类
On flag-transitive 6-(nu, k, lambda) designs with lambda <= 5
The Geometric-Arithmetic Index of Nanotubes
The Zagreb Indices of Dendrimer Nanostars
On Sylow subgroups of BCI groups
The Maximal Gutman Index of Bicyclic Graphs
A classification of nonabelian simple 3-BCI-groups
一类2-(v,k,1)设计的可解区传递自同构群
2-(v,p,1)设计的可解区传递自同构群
On the Degree Distance of C4C8 Nanotubes
Simple 3-designs of PSL(2, q) with block size 7
Extremal Modified Schultz Index of Bicyclic Graphs
多重代理盲签名分析
Graphs on which a group of order pq acts edge-transitively
一类仿射型本原群与4-(v,k,2)设计
On Block-transitive 6-(v,k,\lambda) Desigins with k at Most 10000
基于扭共轭搜索问题的有偏比特承诺
GL(2,Q)的有限子群
Spectral radius of unicyclic graphs with given independence number
两类Lie型单群与4-(v,k,2)设计
作用在有限线性空间上基柱为2F4(q)的几乎单群
区传递的2-(v,9,1)设计的分类
The hyper-Wiener index of bicyclic graphs
Degree distance of unicyclic and bicyclic graphs
Design of PGL (2,q) and Block-transitive 4-(q+1,7, λ)
Spectral radius of graphs with given diameter
Nonexistence of block-transitive 6-designs
区传递的2-(v,k,1)设计与射影辛群PSp_n(q)
典型单群与非可解区传递2-(v,7,1)设计
Two results on BCI-subset of finite groups
Automorphism groups of linear spaces and their parabolic subgroups
The General Connectivity Indices of Nanotubes
Extremal Unicyclic Graphs With Respect To Modified Schultz Index
Extremal Multi-bridge Graphs With Respect To Merrifield-Simmons Index
The existence of block-transitive 2-(q, 8, 1)designs with q a prime power
Extremal energies of trees with a given domination number
On the eccentric distance sum of graphs
The hyper-Wiener index of unicyclic graphs with given matching number
Locally Transitive Graphs Admitting a Group with Cyclic Sylow Subgroups
Cryptanalysis of Threshold-proxy Threshold-signature Schemes
双圈图的Laplacian谱展
2-（y，P，1）设计的可解区传递自同构群
区传递的2-（v，k，1）设计与射影辛群PSpn（q）
作用在有限线性空间上基柱为F4（q）的几乎单群
期刊信息
  • 《南开大学学报：自然科学版》
  • 中国科技核心期刊
  • 主管单位:教育部
  • 主办单位:南开大学
  • 主编：田建国
  • 地址：天津南开区卫津路94号
  • 邮编：300071
  • 邮箱：
  • 电话：022-23501681
  • 国际标准刊号：ISSN：0465-7942
  • 国内统一刊号：ISSN：12-1105/N
  • 邮发代号:6-174
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,德国数学文摘,英国动物学记录,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:4822