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Bibliographic Details
Main Author: Nakai, Keita
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2512.02428
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Table of Contents:
  • In 2003, Garunkštis provided a lower bound for the lower density of the universality theorem for the Riemann zeta-function. In this paper, we generalize this result for the hybrid joint universality theorem for Dirichlet $L$-functions whose moduli are prime numbers. Furthermore, by its application, we estimate a lower bound of the lower density of the universality theorem for Hurwitz zeta-functions with rational parameters.