Source authenticated
Erdős Problem #709
upper bound improved to f(n) ≤ 14n^{3/7} with an explicit logarithmic lower bound; matching bounds remain open
Exact FrontierDelta
Prior state unknown→proved
Scope and record
Occurred: Jul 13, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: lean-verified. Publication: announcement. AI contribution: ai-discovered. Imported under CC BY 4.0.
Canonical aliases: Erdős Problem #709 · Erdős #709 · Problem 709
Confidence: Not scored
Registry verification: lean verified · announcement · partial
Attribution
VibeMathed
registry · event recorded by
GPT-5.6 starships (Claude Fable 5 reviewer)
model · ai model contributor · OpenAI / Anthropic
Lineage and corrections
This event attributed to GPT-5.6 starships (Claude Fable 5 reviewer)