Cyclic Vertex Connectivity of Star Graphs

被引:0
|
作者
Yu, Zhihua [1 ]
Liu, Qinghai [1 ]
Zhang, Zhao [1 ]
机构
[1] Xinjiang Univ Urumqi, Coll Math & Syst Sci, Xinjiang 830046, Peoples R China
关键词
star graph; cyclic vertex-connectivity; CONDITIONAL CONNECTIVITY; INTERCONNECTION NETWORKS;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
For a connected graph G, a vertex subset F subset of V (G) is a cyclic vertex-cut of G if G - F is disconnected and at least two of its components contain cycles. The cardinality of a minimum cyclic vertex-cut of G, denoted by kappa(c)(G), is the cyclic vertex-connectivity of G. In this paper, we show that for any integer n >= 4, the n-dimensional star graph SG(n) has kappa(c)(SG(n)) = 6(n - 3).
引用
收藏
页码:212 / 221
页数:10
相关论文
共 50 条
  • [21] Restricted Vertex Connectivity of Harary Graphs
    Chen, Yingying
    Meng, Jixiang
    Tian, Yingzhi
    ARS COMBINATORIA, 2010, 97A : 287 - 297
  • [22] Edge connectivity vs vertex connectivity in chordal graphs
    Chandran, LS
    COMPUTING AND COMBINATORICS, 2001, 2108 : 384 - 389
  • [23] On graphs with equal algebraic and vertex connectivity
    Kirkland, SJ
    Molitierno, JJ
    Neumann, M
    Shader, BL
    LINEAR ALGEBRA AND ITS APPLICATIONS, 2002, 341 (1-3) : 45 - 56
  • [24] Connectivity of vertex and edge transitive graphs
    Meng, JX
    DISCRETE APPLIED MATHEMATICS, 2003, 127 (03) : 601 - 613
  • [25] Vertex-connectivity and eigenvalues of graphs
    Hong, Zhen-Mu
    Xia, Zheng-Jiang
    Lai, Hong-Jian
    LINEAR ALGEBRA AND ITS APPLICATIONS, 2019, 579 (72-88) : 72 - 88
  • [26] Feedback vertex sets in star graphs
    Wang, FH
    Wang, YL
    Chang, JM
    INFORMATION PROCESSING LETTERS, 2004, 89 (04) : 203 - 208
  • [27] Increasing the connectivity of the star graphs
    Cheng, E
    Lipman, MJ
    NETWORKS, 2002, 40 (03) : 165 - 169
  • [28] Structure connectivity and substructure connectivity of star graphs
    Li, Chunfang
    Lin, Shangwei
    Li, Shengjia
    DISCRETE APPLIED MATHEMATICS, 2020, 284 : 472 - 480
  • [29] On vertex connectivity of Deza graphs with parameters of the complements to Seidel graphs
    Goryainov, Sergey
    Panasenko, Dmitry
    EUROPEAN JOURNAL OF COMBINATORICS, 2019, 80 : 143 - 150
  • [30] A polynomial algorithm determining cyclic vertex connectivity of k-regular graphs with fixed k
    Liang, Jun
    Lou, Dingjun
    JOURNAL OF COMBINATORIAL OPTIMIZATION, 2019, 37 (03) : 1000 - 1010