Unilateral Polarization Is the First Nonexact RH Interface Map
The injective trace sewing operator is conjugated Fourier and flat. Source Mellin evaluation remains reciprocal-covariant until a unilateral tail boundary condition is chosen. The first nonexact operation is the half-line projection.
For scale reflection S and half-line projections P_+, P_-,
The previously derived seam cocycle
is the endpoint shadow of this noncommutation.
For the bilateral completed source, a zero imposes an anti-diagonal endpoint
relation A_+(z)+A_-(z)=0; it does not annihilate either unilateral endpoint.
The smallest post-trace interface must therefore retain both polarized
sectors, reciprocal exchange, their common augmentation, the mismatch
cocycle, and only source-authorized modular fillings.
The next exact test is whether the primitive, prime-square, archimedean, and
mixed-seam packet has a frozen cell whose boundary equals C_f. A residual
after that typed comparison falsifies the conservation route.
Research packet:
research/grothendieck/unilateral-polarization-is-the-first-nonexact-rh-interface-map.md.
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