ramsey numbers - Robuta Search

https://www.scirp.org/journal/papercitationdetails?paperid=38531&JournalID=535

The Planar Ramsey Numbers PR (K₄-e, K_l)

The planar Ramsey number PR (H1, H2) is the smallest integer n such that any planar graph on n vertices contains a copy of H1 or its complement contains a copy...

ramsey numbers planar pr k sub

https://www.arxiv.org/abs/2601.13944

[2601.13944] Gallai-Ramsey Numbers for $\ell$-Connected Graphs

Abstract page for arXiv paper 2601.13944: Gallai-Ramsey Numbers for $\ell$-Connected Graphs

ramsey numbers gallai ell connected graphs