SEYMOUR'S CONJECTURE ON 2-CONNECTED GRAPHS OF LARGE PATHWIDTH

被引:2
|
作者
Huynh, Tony [1 ]
Joret, Gwenael [2 ]
Micek, Piotr [3 ]
Wood, David R. [1 ]
机构
[1] Monash Univ, Sch Math, Melbourne, Vic, Australia
[2] Univ Libre Bruxelles, Dept Informat, Brussels, Belgium
[3] Jagiellonian Univ, Theoret Comp Sci Dept, Fac Math & Comp Sci, Krakow, Poland
基金
澳大利亚研究理事会;
关键词
05C83;
D O I
10.1007/s00493-020-3941-3
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove a conjecture of Seymour (1993) stating that for every apex-forest H-1 and outerplanar graph H-2 there is an integer p such that every 2-connected graph of pathwidth at least p contains H-1 or H-2 as a minor. An independent proof was recently obtained by Dang and Thomas [3].
引用
收藏
页码:839 / 868
页数:30
相关论文
共 50 条
  • [31] Heavy cycles in 2-connected weighted graphs with large weighted degree sums
    Chen, Bing
    Zhang, Shenggui
    Cheng, T. C. Edwin
    COMPUTATIONAL SCIENCE - ICCS 2007, PT 3, PROCEEDINGS, 2007, 4489 : 338 - +
  • [32] Note on dominating cycles in 2-connected graphs
    Discrete Math, 1-3 (13):
  • [33] Circumference and Pathwidth of Highly Connected Graphs
    Marshall, Emily A.
    Wood, David R.
    JOURNAL OF GRAPH THEORY, 2015, 79 (03) : 222 - 232
  • [34] Entire coloring of 2-connected plane graphs
    Wang, Weifan
    Hu, Xiaoxue
    Wang, Yiqiao
    EUROPEAN JOURNAL OF COMBINATORICS, 2021, 94
  • [35] 2-Connected spanning subgraphs of circuit graphs
    Nakamoto, Atsuhiro
    Ozeki, Kenta
    Takahashi, Daiki
    DISCRETE MATHEMATICS, 2025, 348 (01)
  • [36] On minimally 2-connected graphs with generalized connectivity
    Li, Shasha
    Li, Wei
    Shi, Yongtang
    Sun, Haina
    JOURNAL OF COMBINATORIAL OPTIMIZATION, 2017, 34 (01) : 141 - 164
  • [37] A note on dominating cycles in 2-connected graphs
    Bauer, D
    Schmeichel, E
    Veldman, HJ
    DISCRETE MATHEMATICS, 1996, 155 (1-3) : 13 - 18
  • [38] Chromatic uniqueness in a family of 2-connected graphs
    Bielak, H
    DISCRETE MATHEMATICS, 1997, 164 (1-3) : 21 - 28
  • [39] On heavy paths in 2-connected weighted graphs
    Bin-long Li
    Sheng-gui Zhang
    Acta Mathematicae Applicatae Sinica, English Series, 2017, 33 : 789 - 798
  • [40] Contractible edges in subgraphs of 2-connected graphs
    Chan, Tsz Lung
    AUSTRALASIAN JOURNAL OF COMBINATORICS, 2020, 78 : 191 - 208