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J-GLOBAL ID：200901043640215460   Update date: Nov. 25, 2024

OTSUBO Noriyuki

オオツボ ノリユキ | OTSUBO Noriyuki
Affiliation and department：
Chiba University Department of Mathematics and Informatics

About Chiba University Department of Mathematics and Informatics


Job title： Professor
Homepage URL  (1)： http://www.math.s.chiba-u.ac.jp/~otsubo/
Research field  (1)： Algebra
Research keywords  (18)： Algebra ,  整数論 ,  Mathematics ,  Arithmetic Geometry ,  Cyclotomic fields ,  Fermat varieties ,  Algebraic K-theory ,  Beilinson conjecture ,  Motivic cohomology ,  Zeta functions ,  Complex multiplication ,  Hypergeometric functions ,  Algebraic cycles ,  Periods ,  Regulators ,  L-functions ,  Motives ,  Number theory
Research theme for competitive and other funds  (17)：
  • 2024 - 2029 超幾何関数論の数論幾何学的な新展開
  • 2022 - 2027 New developments in the anticyclotomic Iwasawa theory and special value formulas on L-functions
  • 2018 - 2023 モチーフのL関数とレギュレーターの特殊関数論的な研究
  • 2017 - 2022 Algebraic cycles and Iwasawa theory
  • 2014 - 2019 Strategic Reseach using Eisensterin classes to prove Conjectures in Arithmetic Geometry
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Papers (18)：
  • Masanori Asakura, Noriyuki Otsubo. On the adelic Gaussian hypergeometric function. arXiv:2408.08012. 2024
  • Noriyuki Otsubo, Takao Yamazaki. Motivic Gauss and Jacobi sums. arXiv:2402.06072. 2024
  • Noriyuki Otsubo. Hypergeometric functions over finite fields. The Ramanujan Journal. 2024. 63. 1. 55-104
  • Noriyuki Otsubo, Takato Senoue. Product formulas for hypergeometric functions over finite fields. Research in Number Theory. 2022. 8. 4. 1-12
  • Noriyuki Otsubo. A new approach to hypergeometric transformation formulas. The Ramanujan Journal. 2021. 55. 2. 793-816
ｍore...
MISC (7)：
  • Noriyuki Otsubo. l-adic and p-adic analogues of the Gross-Deligne CM period conjecture. 2023. 2269. 221-230
  • 大坪紀之. 書評:吉永正彦著 ‘周期と実数の0-認識問題: Kontsevich-Zagierの予想’. 数学. 2020. 72. 3. 323-326
  • Noriyuki Otsubo. Harmonic volumes of Fermat curves and generalized hypergeometric functions. 2010
  • 大坪 紀之. フェルマー曲線と一般超幾何関数. 2010 代数学シンポジウム報告集. 2010
  • Noriyuki Otsubo. On the Serre-Tate canonical lifting. 2002
ｍore...
Books (2)：
  • Algebraic Number Theory and Related Topics 2012, RIMS Kokyuroku Bessatsu, B51
    RIMS Kyoto Univ. 2014
  • Cohomology (T. Ando ed.)
    2002
Lectures and oral presentations  (21)：
  • ガウス和に対する乗法公式の二つの新証明
    (新潟代数セミナー 2024)
  • The adelic Gaussian hypergeometric function and Anderson-Ihara theory
    (第19回北陸数論研究集会「超幾何関数の数論とその周辺」 2023)
  • 有限体上の超幾何関数の積公式とその応用
    (北大数論セミナー 2023)
  • l-adic and p-adic analogues of the Gross-Deligne CM period conjecture
    (Algebraic Number Theory and Related Topics, RIMS 2022)
  • Hypergeometric motives and p-adic periods
    (p-adic Cohomology and Arithmetic Geometry 2022, Tohoku University 2022)
ｍore...
Education (3)：
  • 1997 - 2000 The University of Tokyo Graduate School of Mathematical Sciences
  • 1995 - 1997 The University of Tokyo Graduate School of Mathematical Sciences
  • 1991 - 1995 The University of Tokyo Faculty of Science Depatment of Mathematics
Professional career (2)：
  • Ph.D. (The University of Tokyo)
  • M.S. (The University of Tokyo)
Work history (9)：
  • 2018/06 - 現在 Chiba University Professor
  • 2017/04 - 2018/05 Chiba University Associate Professor
  • 2011/04 - 2017/03 Chiba University Associate Professor
  • 2013/10 - 2014 University of Toronto
  • 2007/04 - 2011/03 Chiba University Assitant Professor
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Committee career (2)：
  • 2021/04 - 2022/03 日本数学会 地方区代議員(関東)
  • 2012/07 - 2013/09 日本数学会 雑誌「数学」常任編集委員
Association Membership(s) (1)：
The Mathematical Society of Japan
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