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Erdős problem 183

Let R(3;k)R(3;k) be the least nn such that every kk-colouring of the edges of KnK_n contains a monochromatic triangle. Determine limkR(3;k)1/k\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.

No current result

No reviewed Result is current in Vela Mathematics Program. Retained source material is shown below.

Retained declaration

FormalConjectures/ErdosProblems/183.lean

Formal Conjectures

FormalConjectures/ErdosProblems/183.leanErdos183.erdos_1831 lineExact file
Filter.Tendsto (fun k => ↑(Erdos183.multicolourTriangleRamsey k) ^ (1 / ↑k)) Filter.atTop Filter.atTop
SolvedProof has a holelean4external proof

The proof uses `sorry`: part of the argument is written but not proved. Lean accepts the file; it does not accept the theorem.

Reported activity

Work these sources record against this Problem. Source-reported attribution, not reviewed here.

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