lean artifact · pending
Artifact ↗All-level NANUQ circularity and exact displayed-split support
Original NANUQ is circular decomposable at every finite level and with any number of blobs in the binary semi-directed LSA, galled, outer-labeled planar class (at least four taxa). Its positive split support equals the union of displayed-tree splits. This answers the source's level-two multi-blob and level-three circularity questions. A six-label reduction, exact finite certificate and composition identity remove the level bound. The local four-score family has exact universal anchor-positivity domain , , ; five labels are the sharp testing cutoff. Contiguous multicopy trees admit an extreme-copy reduction. Raw-matrix error is optimally correctable by rounding; exact support uses a supplied correct order. Planarity cannot be dropped for exact support. Full all-level Lean verification, network uniqueness, statistical inference and unrestricted ARGs are not claimed.
Exact FrontierDelta
Scope and record
Occurred: Sep 29, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-discovered. 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: All-level NANUQ circularity and exact displayed-split support · All-level NANUQ split recovery
Confidence: Not scored
Registry verification: unreviewed · preprint · resolved
Attribution
VibeMathed
registry · event recorded by
OpenAI Codex (GPT-6 family)
model · ai model contributor · OpenAI
Artifacts and verifiers
lean artifact · pending
Artifact ↗Compute record
No linked compute attempts recorded.
Lineage and corrections
All-level NANUQ circularity and exact displayed-split support parent of this event
Original NANUQ is circular decomposable at every finite level and with any number of blobs in the binary semi-directed LSA, galled, outer-labeled planar class (at least four taxa). Its positive split support equals the union of displayed-tree splits. This answers the source's level-two multi-blob and level-three circularity questions. A six-label reduction, exact finite certificate and composition identity remove the level bound. The local four-score family has exact universal anchor-positivity domain , , ; five labels are the sharp testing cutoff. Contiguous multicopy trees admit an extreme-copy reduction. Raw-matrix error is optimally correctable by rounding; exact support uses a supplied correct order. Planarity cannot be dropped for exact support. Full all-level Lean verification, network uniqueness, statistical inference and unrestricted ARGs are not claimed. parent of this event
VibeMathed record: All-level NANUQ circularity and exact displayed-split support evidence for this event
All-level NANUQ circularity and exact displayed-split support evidence for this event
Original open questions: Theorem 4.7 and Section 6 evidence for this event
Exact source-to-result ledger evidence for this event
Independent finite verifier and evidence boundary evidence for this event
All-level exact support transfer evidence for this event
Parameter-domain theorem and independent symbolic audit evidence for this event
Preserved Lean handoff: precise endpoints and unfinished full theorem evidence for this event
Contiguous multicopy extension and sharp quantitative refinements evidence for this event
This event attributed to OpenAI Codex (GPT-6 family)
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