Ryotaro Harada

I am a Japanese currently working at Department of Applied Mathematics of Tokyo University of Science as an assistant professor. I got the doctor degree at Nagoya University in March 2020.

Here is my CV .

PhD Adviser: Prof. Hidekazu Furusho, homepage

Research interest: Function field arithmetic, zeta functions and L-functions

Address: Assistant Professor's Office (3), 15th Floor, Building No.1, Kagurazaka 1-3, Shinjuku-ku, Tokyo University of Science, Tokyo, 162-8601

E-mail address:

r-harada (at) rs.tus.ac.jp

ryotaro.harada.a7 (at) tohoku.ac.jp (will be receive-only after May 1st. 2025)

Upcoming event: None

Research paper:

R. Harada, D. Matsuzuki, `Hyperderivatives of the deformation series associated with arithmetic gamma values and characteristic p multiple zeta values', 2024, Arxiv link
Y.-T. Chen, R. Harada, `Linear relations among algebraic points on tensor powers of the Carlitz module', 2023, J. Math. Soc. Japan (in press), Arxiv link
R. Harada, `Colored multizeta values in positive characteristic', 2025, Forum Mathematicum 37 (2), 485-501, Arxiv link
R. Harada, `t-motivic interpretations for special values of Thakur hypergeometric functions and Kochubei multiple polylogarithms', Documenta Mathematica, 30, No. 3 (2025), pp.673-707. Arxiv link
Y.-T. Chen, R. Harada, `On lower bounds of the dimension of multizeta values in positive characteristic', Doc. Math. 26 (2021), 537–559, Arxiv link
R. Harada, `Alternating multizeta values in positive characteristic', Math. Z. 298 (2021), no. 3-4, 1263–1291, Arxiv link
R. Harada, `On multi-poly-Bernoulli-Carlitz numbers', J. Number Theory 232 (2022), 406–422, Arxiv link
R. Harada, `On Lara Rodriguez' full conjecture for double zeta values in function fields ', Int. J. Number Theory, 14 (4) 2018 pp. 1081-1092, Arxiv link
R. Harada, `On Euler's formulae for double zeta values', Kyushu J. Math. 72 (1), 2018 pp. 15-24, Arxiv link

Research survey:

- 原田遼太郎, `標数pの多重ゼータ値入門', (記述松月大知氏) 2020, RIMS Kokyuroku No.2160 pp. 43-78,
- R. Harada, `On characteristic p alternating multizeta values', 2020, RIMS Kokyuroku No.2160 pp. 87-99,
- 原田遼太郎, `KZ方程式とKZ結合子', 第26回整数論サマースクール報告集, (2019), pdf(Japanese)
- 原田遼太郎, `Eulerの二重ゼータ値の公式について', 2016, 第12回数学総合若手研究集会講究録 (北海道大学数学講究録) 165, pp.174-175, (2016), pdf (Japanese)

Google Sites

Report abuse