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A uniform zero-free region for Dedekind zeta functions

Dean Cureton

Palomar Registrypalomar/PALOMAR-2026-10-13-000010Oct 14, 2026math.NTscore 0

A Lean formalization of Theorem 1.1 and Corollary 1.2 of A quasi-Riemann hypothesis for Dedekind zeta functions: for every number field K, its Dedekind zeta function has no zeros in Re(s) > 31/32. The formal statement asserts the existence of a holomorphic function away from 1 that agrees with Mathlib's Dedekind zeta function for Re(s) > 1 and is nonzero for Re(s) > 31/32 with s different from 1. The corollary gives the same zero-free bound for Hecke L-functions associated with finite-order Hecke characters, including s = 1 for nonprincipal characters. These characters are represented in…

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