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J-GLOBAL ID：201601012183125747   Update date: Jun. 21, 2024

Tasaka Koji

タサカ コウジ | Tasaka Koji
Affiliation and department：
Kindai University Department of Mathematics

About Kindai University Department of Mathematics


Job title： Associate Professor
Homepage URL  (1)： https://www.math.kindai.ac.jp/laboratory/tasaka/
Research field  (1)： Algebra
Research keywords  (4)： Spherical design ,  Modular Forms ,  Multiple zeta value ,  Number Theory
Research theme for competitive and other funds  (7)：
  • 2023 - 2026 The dawn of modular phenomena for higher level multiple zeta values with a new development on multiple Eisenstein series
  • 2020 - 2024 種々の多重ゼータ値の統一的および相互発展的な研究
  • 2018 - 2023 モチヴィックガロア群と多重ゼータ値から広がる数学ー整数論からの解放ー
  • 2018 - 2020 The outlook for the dimension conjecture and the study of Lie algebras of multiple zeta values and multiple Eisenstein series
  • 2016 - 2018 Around the Broadhurst-Kreimer conjecture
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Papers (24)：
  • Julian Rosen, Yoshihiro Takeyama, Koji Tasaka, Shuji Yamamoto. The ring of finite algebraic numbers and its application to the law of decomposition of primes. Journal of Number Theory. 2024. 263. 335-365
  • Masatake Hirao, Hiroshi Nozaki, Koji Tasaka. Spherical designs and modular forms of the $$D_4$$ lattice. Research in Number Theory. 2023. 9. 4
  • Yoshihiro Takeyama, Koji Tasaka. Supercongruences of multiple harmonic $q$-sums and generalized finite/symmetric multiple zeta values. Kyushu Journal of Mathematics. 2023. 77. 1. 75-120
  • Shin-ya Kadota, Takuya Okamoto, Masataka Ono, Koji Tasaka. On a unified double zeta function of Mordell-Tornheim type*. Lithuanian Mathematical Journal. 2022. 62. 2. 207-217
  • Koji Tasaka. Note on totally odd multiple zeta values. Math. J. Okayama Univ. 2022. 64. 63-73
ｍore...
MISC (3)：
  • Koji Tasaka. Catalogue of modular relations for double zeta values. RIMS Kokyuroku "Zeta functions and their representations". 2023. 2267. 100-121
  • Koji Tasaka. The harmonic strength of shells of lattices and weighted theta series. RIMS Kokyuroku "Analytic and arithmetic aspects of automorphic representations". 2023. 2264. 17-29
  • 田坂 浩二. 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). 数理解析研究所講究録. 2012. 1806. 200-209
Lectures and oral presentations  (96)：
  • レベルNの有限多重ゼータ値,多重調和q和,金子-Zagier予想
    (新潟代数セミナー, 2024)
  • 周期の有限類似とその応用
    (津田塾大学整数論ワークショップ 2023 2023)
  • D4格子に関する球面デザインおよびモジュラー形式
    (阪大整数論保型形式セミナー 2023)
  • 球面デザインとモジュラー形式 II
    (合同ゼミ, 愛知県立大学 2023)
  • Around double shuffle relations
    (第5回青葉山ゼータ研究集会, 東北大学 2023)
ｍore...
Education (3)：
  • 2011 - 2014 Kyushu University Graduate School of Mathematics
  • 2009 - 2011 Kyushu University Graduate School of Mathematics
  • 2005 - 2009 Kinki University Department of Mathematics
Professional career (1)：
  • 博士(数理学) (九州大学)
Work history (9)：
  • 2024/04 - Kindai University Department of Mathematics
  • 2020/04 - 2024/03 Aichi Prefectural University School of Information Science and Technology
  • 2018/04 - 2020/03 Aichi Prefectural University School of Information Science and Technology Lecturer
  • 2016/04 - 2018/03 Aichi Prefectural University School of Information Science and Technology Assictant professor
  • 2017/04 - 2018/02 Max Planck Institute for Mathematics Guest Scientist
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Awards (1)：
  • 2014/02 - 日本数学会九州支部 九州若手数学賞
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