number-theory / Number Theory, Sidon Sets

Erdős Problem #43

both proposed bounds fail

11Significance / 100
1Frontier events
0Verification tasks
0Recorded attempts

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number-theoryApr 27, 2026Significance 11/100Registry: site confirmed

Erdős Problem #43

Prior state unknown→disproved

both proposed bounds fail

SourceReplayReproducedFormal proofStatement auditExternal checkExpert reviewPeer review

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both proposed bounds fail

both proposed bounds fail

Recorded attempts

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Erdős Problem #43 — Mathematical Frontier Network