Source authenticated

Johnson-Freyd-Ostrik-Yu Question on Categorical Cocycles

answered for 3-cocycles, inside a broader partial classification of twisted Deligne products

Exact FrontierDelta

Prior state unknown→proved

Scope and record

Occurred: Jul 21, 2026

Delta type: SOURCE CLAIM

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

Canonical aliases: Johnson-Freyd-Ostrik-Yu Question on Categorical Cocycles · Categorical 3-cocycles

Confidence: Not scored

Registry verification: unreviewed · preprint · partial

Attribution

VibeMathed
registry · event recorded by

Pavel Etingof
human · human collaborator

Dmitri Nikshych
human · human collaborator

Victor Ostrik
human · human collaborator

ChatGPT 5.5 Pro
model · ai model contributor · OpenAI

Lineage and corrections

This event attributed to Victor Ostrik

This event attributed to Dmitri Nikshych

This event attributed to Pavel Etingof

This event attributed to ChatGPT 5.5 Pro

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