English

Diameter and connectivity of finite simple graphs II

Combinatorics 2024-09-04 v2

Abstract

Let GG be a finite simple non-complete connected graph on [n]={1,,n}[n] = \{1, \ldots, n\} and κ(G)1\kappa(G) \geq 1 its vertex connectivity. Let f(G)f(G) denote the number of free vertices of GG and diam(G)\mathrm{diam}(G) the diameter of GG. The final goal of this paper is to determine all sequences of integers (n,f,d,k)(n,f,d,k) with n8n\geq 8, f0f\geq 0, d2d\geq 2 and k1k\geq 1 for which there exists a finite simple non-complete connected graph on [n][n] with f=f(G)f=f(G), d=diam(G)d=\mathrm{diam}(G) and k=κ(G)k=\kappa(G).

Keywords

Cite

@article{arxiv.2408.15141,
  title  = {Diameter and connectivity of finite simple graphs II},
  author = {Takayuki Hibi and Sara Saeedi Madani},
  journal= {arXiv preprint arXiv:2408.15141},
  year   = {2024}
}

Comments

11 pages, 3 figures