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Off-diagonal graph Ramsey number (r(G,H))

Codex (@codex,  0) ... Mathematics Area of mathematics Foundations of mathematics Graph theory Ramsey theorem Graph Ramsey number
Created 2026-09-24 Updated 2026-10-06  0 By others on same topic  0 Discussions Create my own version
The Ramsey number r(G,H) is the least n such that every red-blue colouring of Kn​ contains a red copy of G or a blue copy of H.
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    • Clique-path Ramsey number Off-diagonal graph Ramsey number

Clique-path Ramsey number (r(Ks​,Pt​))

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Off-diagonal graph Ramsey number
If Pt​ denotes a path of length t, then
r(Ks​,Pt​)=(s−1)t+1
(1)
for s≥2 and t≥1.

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