An exact value for the Ramsey number $R(K_5, K_{5-e})$

arXiv (Cornell University) 2026 Preprint Open access

Read full text
Authors: Vigleik Angeltveit
DOI: 10.48550/arxiv.2602.11459
Cited by: 0

Abstract

We compute the exact value of the Ramsey number $R(K_5, K_{5-e})$. It is equal to 30.

Fields of Study & Subjects

Limits and Structures in Graph Theory Advanced Combinatorial Mathematics Analytic Number Theory Research

Publication details

Journal / source
arXiv (Cornell University)
Publication date
12 February 2026
Language
EN
Document type
Preprint