Source authenticated

Tightness of the Cohn-Elkies Bound in Dimension 36

rules out the two-point LP method in this dimension; the optimal packing in dimension 36 remains unknown

Exact FrontierDelta

Prior state unknowndisproved

Scope and record

Occurred: Jul 13, 2026

Delta type: SOURCE CLAIM

Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-co-developed. Imported under CC BY 4.0.

Canonical aliases: Tightness of the Cohn-Elkies Bound in Dimension 36 · Sphere packing in dim 36

Confidence: Not scored

Registry verification: unreviewed · preprint · resolved

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Attribution

VibeMathed
registry · event recorded by

Rifat Jumagulov
human · human collaborator

Claude Fable 5
model · ai model contributor · Anthropic / OpenAI

Claude Opus 4.8
model · ai model contributor · Anthropic / OpenAI

Codex (GPT-5.6)
model · ai model contributor · Anthropic / OpenAI

Lineage and corrections

This event attributed to Rifat Jumagulov

This event attributed to Claude Fable 5

This event attributed to Claude Opus 4.8

This event attributed to Codex (GPT-5.6)

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