Keita Nakai, Universality for the iterated integrals of logarithms of L-functions in the Selberg class. Lith. Math. J. 65, 1-16 (2025).
Keita Nakai, Discrete universality theorem for Matsumoto zeta-functions and nontrivial zeros of the Riemann zeta-function. Math. Model. Anal. 30(1), 97-108 (2025).
Johan Andersson, Ramūnas Garunkštis, Roma Kačinskaitė, Keita Nakai, Łukasz Pańkowski, Athanasios Sourmelidis, Rasa Steuding, Jörn Steuding, Saeree Wananiyakul, Notes on Universality in Short Intervals and Exponential Shifts, Lith. Math. J. 64, 125-137 (2024) .
Keita Nakai, Joint Universality for the Riemann zeta-function with general shifts, arXiv:2312.04269, submitted
Keita Nakai, Effective hybrid joint universality for Dirichlet L-functions and its application, arXiv:2512. 02428, submitted
Keita Nakai, Discrete universality theorem for Matsumoto zeta-functions and nontrivial zeros of the Riemann zeta-function, 第20回数学総合若手研究集会, (pdf)
中井啓太, Joint universality for the Riemann zeta-function with general shifts, 数理解析研究所講究録(2316):2025.5