Source authenticated

Erdős Problem #1151

An elementary solution via a primitive-row decomposition of the Chebyshev-node measures; the main theorem is formalized in Lean, but erdosproblems.com still lists the problem open

Exact FrontierDelta

Prior state unknown→proved

Scope and record

Occurred: Apr 30, 2026

Delta type: SOURCE CLAIM

Assumptions: VibeMathed verification: lean-verified. Publication: announcement. AI contribution: ai-co-developed. Editorial metadata: CC BY 4.0; linked content retains its own rights.

Canonical aliases: Erdős Problem #1151 · Erdős #1151 · Problem 1151

Confidence: Not scored

Registry verification: lean verified · announcement · candidate

Open the source record ↗

Attribution

VibeMathed
registry · event recorded by

Przemysław Chojecki
human · human collaborator

Allen Hart
human · human collaborator

GPT-5.5 Pro
model · ai model contributor · OpenAI

Codex
model · ai model contributor · OpenAI

Artifacts and verifiers

Lean formalization of Theorem 1.1(a)

lean artifact · passed

Artifact ↗

Compute record

No linked compute attempts recorded.

Lineage and corrections

This event attributed to Przemysław Chojecki

This event attributed to Allen Hart

This event attributed to Codex

This event attributed to GPT-5.5 Pro

VibeMathed record: Erdős Problem #1151 evidence for this event

Erdős Problem #1151 parent of this event

Lean formalization of Theorem 1.1(a) evidence for this event

Erdős Problem #1151 evidence for this event

An elementary solution via a primitive-row decomposition of the Chebyshev-node measures; the main theorem is formalized in Lean, but erdosproblems.com still lists the problem open parent of this event

Write-up evidence for this event

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Verify, challenge, or extend the result.