Registry · Definition
IV.D01
tau-effective
formalized
IV.D01 — Sector Physics Template
Four defining parameters for each sector at E₁: self-coupling κ(S;d) as rational function of ι_τ, polarity signature (χ₊-dom/balanced/χ₋-dom/crossing), primorial depth d ∈ {1,2,3}, and kernel generator. Also defines PolaritySign inductive type.