Critical-tail localization and growing theta correction inertia
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Abstract
For the Riemann theta transform F(z)=ξ((1+iz)/2)/4, let E(P)=(4π)^(-1)∫|(FP)'|^2, Q(P)=(8π)^(-1)∫(F'^2-FF'')P^2 and D=E-Q. We obtain ordinary-polynomial subspaces, in either parity, with opposite signs of D and strictly positive original Q on their entire nonzero spans. Their dimensions are at least Cexp(c√(log N))√(log N) for every sufficiently large degree N. A critical Meixner–Pollaczek receiver controls the derivative and absolute-potential norm globally. A simultaneous inverse-square window selection and a relative root-product budget improve the cost of localized targets. A finite-order compact-cutoff family with uniform low-order energies and a fully controlled growing differentiation order gives the stated scale. All local complex roots, multiplicities, exterior roots and mixed Gram entries are retained. The same growth is necessary for repair rank in a specified scalar-centered strict-contraction scheme.
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