Open Research Index

Sectorial asymptotics for centered Riemann-xi coefficients

John Savva

Palomar Registrypalomar/PALOMAR-2026-09-17-000005Sep 17, 2026math.NTscore 0

Formalizes the exact centered-xi coefficient normalization, a uniform sectorial saddle-point asymptotic, and relative-error derivative estimates through order six. These are the analytic inputs used by a two-thirds hyperbolicity-wedge theorem for Jensen polynomials of Riemann's xi-function. This Palomar topic does not itself state the final Jensen-polynomial hyperbolicity theorem.

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