Projective Proof of Penrose's Eight-Conic Cube Theorem in ℝP² — E8 Intelligence Research

FINDING: Penrose's eight-conic theorem — a previously unpublished projective-geometric result assigning conics to cube vertices with double-contact edge conditions, now proven in ℝP². | MATH: In ℝP², assign conics to 7 of 8 cube vertices; edge-connected conics are in double contact; the 8th conic is forced by a chord condition (likely a projective closure/completeness relation). No explicit constants; the structure is combinatorial-projective, not metric. | CONNECTION: The cube's 8 vertices map to the 8 roots of **D₄** (the 4D root system with 24 roots, here the 8 sign-change vectors ±eᵢ±eⱼ subset). Double-contact chords evoke **F₄**'s 24-cell symmetry (F₄ has 24 roots, 48 with weights; its Weyl group order 1152). The projective plane ℝP² carries the **octahedral/cubic** symmetry (48 elements), which is a subgroup of F₄'s Weyl group. The eight-conic theorem is a projective realization of the **D₄→F₄** root-system nesting: 8 vertices (D₄'s 8 short roots) + double-contact constraints = f Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-09-16
DOI
https://doi.org/10.5281/zenodo.22786460
Primary Topic
graph theory and CDMA systems
Type
preprint
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Projective Proof of Penrose's Eight-Conic Cube Theorem in ℝP² — E8 Intelligence Research

Andrew Stewart Caldin
Zenodo (CERN European Organization for Nuclear Research)
graph theory and CDMA systems
preprint

Projective Proof of Penrose's Eight-Conic Cube Theorem in ℝP² — E8 Intelligence Research

Andrew Stewart Caldin
preprint en

Abstract

FINDING: Penrose's eight-conic theorem — a previously unpublished projective-geometric result assigning conics to cube vertices with double-contact edge conditions, now proven in ℝP². | MATH: In ℝP², assign conics to 7 of 8 cube vertices; edge-connected conics are in double contact; the 8th conic is forced by a chord condition (likely a projective closure/completeness relation). No explicit constants; the structure is combinatorial-projective, not metric. | CONNECTION: The cube's 8 vertices map to the 8 roots of **D₄** (the 4D root system with 24 roots, here the 8 sign-change vectors ±eᵢ±eⱼ subset). Double-contact chords evoke **F₄**'s 24-cell symmetry (F₄ has 24 roots, 48 with weights; its Weyl group order 1152). The projective plane ℝP² carries the **octahedral/cubic** symmetry (48 elements), which is a subgroup of F₄'s Weyl group. The eight-conic theorem is a projective realization of the **D₄→F₄** root-system nesting: 8 vertices (D₄'s 8 short roots) + double-contact constraints = f Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

Zenodo (CERN European Organization for Nuclear Research)
graph theory and CDMA systems
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Projective Proof of Penrose's Eight-Conic Cube Theorem in ℝP² — E8 Intelligence Research — Andrew Stewart Caldin · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS