Operator Doublets, Erased History Fibres, and the No-Sequential-Re-entry Theorem — fermionic-matter no-go note

Presentation note for the emergent geometry sub-programme (Cosmochrony)

Fibre Erasure: Cosmochrony paper on selective erasure of projective fibres

Effective Spacetime Geometry from Admissible Non-Injective Projection

Proof of the Lifting Hypothesis [H-lift]: Kinetic-Sector Identification via Generator Suppression

BFS Shell Stratification and the Emergence of Four-Dimensional Lorentzian Geometry

Semiclassical Consistency of the Weil Representation on Heis3(Z/qZ): Quantitative Sinc Embedding, Generator Convergence, and Aliasing Control

Asymptotic su(2)-Isotropy of the Effective Quadratic Form and the Identification AH = 2

Projective Capacity Beyond Expanders: Polynomial-Growth Relaxation Graphs and the Capacity Exponent

Spectral Atomicity of the Admissible Sector: Scaled Coercivity and Mosco Compactness without Nash Inequalities

Cosmochrony Entanglement E1 — Weil orthogonality

Non-Injective Foundations Presentation Note (Branch I of the Cosmochrony programme)

O33 — A Finite Spectral Architecture for Mass-Square Splitting and Mixing: Exact Doublets and Protected Sectors from Weil Admissibility

SU(3) from Colour Triplet Co-admissibility: Towards the Complete Standard Model Gauge Group

Three Admissible Directions and Three Spatial Dimensions: A Structural Bridge Candidate between Heff ≃ C3 and the Horizontal Geometry of Heis3(R)