Source authenticated

The Erdos-Graham Semiprime Unit Fraction Problem

the omega = 2 integer case, the one Butler, Erdos and Graham left open

Exact FrontierDelta

proved→proved

Scope and record

Occurred: Oct 29, 2026

Delta type: REGISTRY REVISION

Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-co-developed. VibeMathed editorial classifications, scores, notes, relations, and dataset structure are CC BY 4.0. Source statements and linked content retain their own rights.

Canonical aliases: The Erdos-Graham Semiprime Unit Fraction Problem · Semiprime unit fractions

Confidence: Not scored

Registry verification: unreviewed · preprint · resolved

Open the source record ↗

Attribution

VibeMathed
registry · event recorded by

Claude (via Claude Code)
model · ai model contributor · Anthropic

Shisheng Li
human · human collaborator

Lineage and corrections

Corrects The Erdos-Graham Semiprime Unit Fraction Problem →

Supersedes The Erdos-Graham Semiprime Unit Fraction Problem →

VibeMathed record: The Erdos-Graham Semiprime Unit Fraction Problem evidence for this event

the omega = 2 integer case, the one Butler, Erdos and Graham left open parent of this event

The Erdos-Graham Semiprime Unit Fraction Problem parent of this event

This event attributed to Shisheng Li

The Erdos-Graham Semiprime Unit Fraction Problem evidence for this event

This event attributed to Claude (via Claude Code)

Act on this frontier

Verify, challenge, or extend the result.