The Tree Product Conjecture
disproved at d = 4; the conjecture for smaller d is untouched
Exact FrontierDelta
Scope and record
Occurred: Oct 29, 2026
Delta type: REGISTRY REVISION
Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-assisted. 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 Tree Product Conjecture · Tree product conjecture
Confidence: Not scored
Registry verification: unreviewed · preprint · resolved
Attribution
VibeMathed
registry · event recorded by
ChatGPT 5.5 Pro
model · ai model contributor · OpenAI
Freddie Illingworth
human · human collaborator
Sergey Norin
human · human collaborator
Raphael Steiner
human · human collaborator
Lineage and corrections
Corrects The Tree Product Conjecture →
Supersedes The Tree Product Conjecture →
The Tree Product Conjecture evidence for this event
This event attributed to Sergey Norin
The Tree Product Conjecture parent of this event
This event attributed to Freddie Illingworth
disproved at d = 4; the conjecture for smaller d is untouched parent of this event
Second counterexample construction via subdivided expanders (Aug 2026) evidence for this event
This event attributed to Raphael Steiner
VibeMathed record: The Tree Product Conjecture evidence for this event
This event attributed to ChatGPT 5.5 Pro
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