English

Ramsey numbers of paths and graphs of the same order

Combinatorics 2014-07-29 v1

Abstract

For graphs FnF_n and GnG_n of order nn, if R(Fn,Gn)=(χ(Gn)1)(n1)+σ(Gn)R(F_n, G_n)=(\chi(G_n)-1)(n-1)+\sigma(G_n), then FnF_n is said to be GnG_n-good, where σ(Gn)\sigma(G_n) is the minimum size of a color class among all proper vertex-colorings of GnG_n with χ(Gn)\chi(G_n) colors. Given Δ(Gn)Δ\Delta(G_n)\le \Delta, it is shown that PnP_n is asymptotically GnG_n-good if α(Gn)n4\alpha(G_n)\le\frac{n}{4}.

Keywords

Cite

@article{arxiv.1407.7092,
  title  = {Ramsey numbers of paths and graphs of the same order},
  author = {Chaoping Pei and Yusheng Li},
  journal= {arXiv preprint arXiv:1407.7092},
  year   = {2014}
}

Comments

8 pages, 3 figures