Researchers
- TASAKA Koji
- Associate Professor
| Faculty | Department of Science / Graduate School of Science and Engineering |
|---|---|
| Researchmap | https://researchmap.jp/kojitasaka |
Education and Career
Education
- 2005/04 - 2009/03 , Kinki University, Department of Mathematics,
- 2009/04 - 2011/03 , Kyushu University, Graduate School of Mathematics,
- 2011/04 - 2014/03 , Kyushu University, Graduate School of Mathematics,
Academic & Professional Experience
- Apr. 2024 , Kindai University Department of Mathematics Associate Professor
- Apr. 2020 - Mar. 2024 , Aichi Prefectural University School of Information Science and Technology 准教授
- Apr. 2018 - Mar. 2020 , Aichi Prefectural University School of Information Science and Technology Lecturer
- Apr. 2016 - Mar. 2018 , Aichi Prefectural University School of Information Science and Technology Assictant professor
- Apr. 2017 - Feb. 2018 , Max Planck Institute for Mathematics Guest Scientist
- Apr. 2015 - Mar. 2016 , Nagoya University Graduate School of Mathematics Research Fellow of the Japan Society for the Promotion of Science (JSPS Research Fellow)
- Jul. 2014 - Mar. 2015 , POSTECH Pohang Mathematical Institute 学術研究員
- Apr. 2014 - May. 2014 , Kyushu University 大学院数理学研究院 博士研究員
- Apr. 2012 - Mar. 2014 , Kyushu University Graduate School of Mathematics Research Fellow of the Japan Society for the Promotion of Science (JSPS Research Fellow)
Research Activities
Research Areas
- Natural sciences, Algebra
Research Interests
Spherical design, Modular Forms, Multiple zeta value, Number Theory
Published Papers
-
The ring of finite algebraic numbers and its application to the law of decomposition of primes
Julian Rosen; Yoshihiro Takeyama; Koji Tasaka; Shuji Yamamoto
Journal of Number Theory 263 , 335-365, Oct. 2024 , Refereed -
Spherical designs and modular forms of the $$D_4$$ lattice
Masatake Hirao; Hiroshi Nozaki; Koji Tasaka
Research in Number Theory 9 (4) 1, Nov. 2023 , Refereed -
Supercongruences of multiple harmonic $q$-sums and generalized finite/symmetric multiple zeta values
Yoshihiro Takeyama; Koji Tasaka
Kyushu Journal of Mathematics 77 (1) , 75-120, Feb. 2023 , Refereed
Conference Activities & Talks
- FAN of recurrent sequences , Koji Tasaka , Meeting in the Middle: Conference on characteristic 0 and characteristic p multiple zeta values, University of Hawaii at Manoa (US) , 19, Mar. 2026
- Linear shuffle relations and related topics , Koji Tasaka , Japan-India Workshop on L-functions and multiple zeta functions, Sophia University (Japan) , 3, Mar. 2026
- Multiple zeta values and modular forms , Koji Tasaka , Workshop on Multiple Zeta Values and Modular Forms, Oberwolfach (Germany) , 17, Feb. 2026
MISC
- Catalogue of modular relations for double zeta values , Koji Tasaka , RIMS Kokyuroku "Zeta functions and their representations" , 2267 , 100 , 121 , Nov. 2023
- The harmonic strength of shells of lattices and weighted theta series , Koji Tasaka , RIMS Kokyuroku "Analytic and arithmetic aspects of automorphic representations" , 2264 , 17 , 29 , Aug. 2023
- 2重 Eisenstein 級数とその周辺 (解析的整数論 : 数論的関数の多重性に関連して) , 田坂 浩二 , 数理解析研究所講究録 , 1806 , 200 , 209 , Sep. 2012
Awards & Honors
- Feb. 2014, 日本数学会九州支部, 九州若手数学賞
Research Grants & Projects
- Daiwa Anglo-Japan Foundation, Daiwa Foundation Small Grants, apan-UK collaboration on various aspects on period polynomials ranging from mathematics to mathematical physics , Kindai University
- Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, The dawn of modular phenomena for higher level multiple zeta values with a new development on multiple Eisenstein series , Aichi Prefectural University
- 観光庁, 大学における国際会議誘致開催促進事業 類型2, 多重ゼータ値とモジュラー形式に携わる研究者の国際的なネットワーク形成促進と若手主体の国際シンポジウムの新規立ち上げ