Source authenticated
Brezis's Open Problem 5.6 on Universal Fourier Summation
negative below the 1/3 threshold; the endpoint case is still open
Exact FrontierDelta
Prior state unknown→disproved
Scope and record
Occurred: Jul 26, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-co-developed. Imported under CC BY 4.0.
Canonical aliases: Brezis's Open Problem 5.6 on Universal Fourier Summation · Brezis OP 5.6
Confidence: Not scored
Registry verification: unreviewed · preprint · partial
Attribution
VibeMathed
registry · event recorded by
Michal Cieszynski
human · human collaborator
ChatGPT
model · ai model contributor · OpenAI
Lineage and corrections
This event attributed to Michal Cieszynski
This event attributed to ChatGPT