The Tree Product Conjecture
disproved at d = 4; the conjecture for smaller d is untouched
Exact FrontierDelta
Scope and record
Occurred: Jul 3, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-assisted. Editorial metadata: CC BY 4.0; linked content retains its 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
Freddie Illingworth
human · human collaborator
Sergey Norin
human · human collaborator
Raphael Steiner
human · human collaborator
ChatGPT 5.5 Pro
model · ai model contributor · OpenAI
Lineage and corrections
This event attributed to Freddie Illingworth
This event attributed to Raphael Steiner
This event attributed to Sergey Norin
This event attributed to ChatGPT 5.5 Pro
VibeMathed record: The Tree Product Conjecture evidence for this event
disproved at d = 4; the conjecture for smaller d is untouched parent of this event
The Tree Product Conjecture parent of this event
The Tree Product Conjecture evidence for this event
Second counterexample construction via subdivided expanders (Aug 2026) evidence for this event
Act on this frontier