The Two Euler Hilbert Vacua Meet by Simultaneous Escape on the Critical Line
The endpoint-normalized direct and reciprocal Euler vacua have squared norms
Hence the direct vacuum is an ordinary Hilbert state exactly for , while the reciprocal vacuum is one exactly for . On the critical line both escape through the prime harmonic divergence.
Thus the critical line is the simultaneous-loss wall of two complementary Euler sectors. The half-offset comes from the squared half-density reaching the prime harmonic exponent one. This explains the sewing geometry but does not yet identify scalar zeros with loss of relative pairing.
Research packet:
research/grothendieck/the-two-euler-hilbert-vacua-meet-by-simultaneous-escape-on-the-critical-line.md
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