Erdős problem 183
Let be the least such that every -colouring of the edges of contains a monochromatic triangle. Determine (a $250 Erdős prize problem). A superexponential lower bound resolves the problem: the limit is infinite.
Sources
Retained excerpts/
VibeMathed
Retained source excerpt
Let $R(3;k)$ be the least $n$ such that every $k$-colouring of the edges of $K_n$ contains a monochromatic triangle. Determine $\lim_{k\to\infty} R(3;k)^{1/k}$ (a \$250 Erdős prize problem). A superexponential lower bound resolves the problem: the limit is infinite.
Open exact source location