Premium
A lower bound for r(5, 5)
Author(s) -
Exoo Geoffrey
Publication year - 1989
Publication title -
journal of graph theory
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.164
H-Index - 54
eISSN - 1097-0118
pISSN - 0364-9024
DOI - 10.1002/jgt.3190130113
Subject(s) - combinatorics , mathematics , upper and lower bounds , discrete mathematics , mathematical analysis
A K 5 ‐free two‐coloring of the edges of K 42 is described, establishing 43 as a lower bound for R (5, 5).