Rchr
J-GLOBAL ID:200901091750345232   Update date: Sep. 14, 2024

Hoshi Akinari

ホシ アキナリ | Hoshi Akinari
Affiliation and department:
Job title: Professor
Homepage URL  (2): http://mathweb.sc.niigata-u.ac.jp/~hoshi/index-j.htmlhttp://mathweb.sc.niigata-u.ac.jp/~hoshi/
Research field  (1): Algebra
Research keywords  (7): Arithmetic Geometry ,  数論幾何 ,  Algebraic Geometry ,  整数論 ,  代数幾何 ,  Number Theory ,  Algebra
Research theme for competitive and other funds  (15):
  • 2024 - 2028 Rationality problems and their applications to number theory
  • 2024 - 2027 Number theory and algebraic geometry and computer mathematics - New developments on rationality problems for algebraic varieties -
  • 2019 - 2023 Unramified cohomology groups and rationality problem for fields of invariants
  • 2021 - 2022 Rationality problem for norm one tori in small dimensions
  • 2016 - 2017 Rationality problem for algebraic tori
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Papers (43):
  • Akinari Hoshi, Hidetaka Kitayama. Rationality Problem of Two-Dimensional Quasi-Monomial Group Actions. Transformation Groups. 2024. 29. 1029-1064
  • Akinari Hoshi, Aiichi Yamasaki. Rationality problem for norm one tori for dihedral extensions. Journal of Algebra. 2024. 640. 368-384
  • Akinari Hoshi, Kazuki Kanai, Aiichi Yamasaki. Norm one tori and Hasse norm principle, II: Degree 12 case. Journal of Number Theory. 2023. 244. 84-110
  • Akinari Hoshi, Ming-chang Kang, Aiichi Yamasaki. Multiplicative Invariant Fields of Dimension ≤ 6. Memoirs of the American Mathematical Society. 2023. 283. 1403. 1-137
  • Akinari Hoshi, Kazuki Kanai. Davenport and Hasse's theorems and lifts of multiplication matrices of Gaussian periods. Finite Fields and Their Applications. 2022. 84. 102101. 1-26
more...
Books (3):
  • 要点明解 線形数学 三訂版
    培風館 2022 ISBN:9784563012410
  • An Introduction to Group Theory (Japanese)
    NIPPON HYORON SHA CO.,LTD. 2016 ISBN:9784535788091
  • 要点明解 線形数学 改訂版
    培風館 2016 ISBN:9784563012007
Lectures and oral presentations  (150):
  • Hasse norm principle for $M_{11}$ extensions
    (Spring Meeting of the Mathematical Society of Japan 2023)
  • Birational classification for algebraic tori (I)
    (Spring Meeting of the Mathematical Society of Japan 2023)
  • Birational classification for algebraic tori
    (Yufuin Workshop on Algebraic Geometry (Prof. Masamichi Kuroda, Taketo Shirane, Kentaro Mitsui and Kazuhiko Yamaki) 2023)
  • Hasse norm principle for $M_{11}$ extensions
    (Niigata Algebra Seminar (Prof. Hideo Kojima and Takeshi Takahashi) 2022)
  • Birational classification for algebraic tori (III)
    (Niigata Algebra Seminar (Prof. Hideo Kojima and Takeshi Takahashi) 2022)
more...
Education (3):
  • 2003 - 2005 Waseda University Department of Mathematical Sciences Ph.D. (Doctor of Science)
  • 2001 - 2003 Waseda University Department of Mathematical Sciences Master of Science
  • 1997 - 2001 Waseda University Department of Mathematics Bachelor of Science
Professional career (1):
  • Ph.D. (Waseda University)
Work history (11):
  • 2023/04 - 現在 Niigata University Mathematical Science, Fundamental Sciences, Graduate School of Science and Technology Chair
  • 2021/08 - 現在 Niigata University Department of Mathematics Professor
  • 2023/04 - 2024/03 Niigata University Department of Mathematics Vice Chair
  • 2022/04 - 2023/03 Niigata University Faculty of Science Department of Science Chair
  • 2017/04 - 2021/08 Niigata University Department of Mathematics Associate Professor
Show all
Committee career (1):
  • 2023/03 - 2024/02 Mathematical Society of Japan Local Delegate
Awards (5):
  • 2024/09 - Niigata University Niigata University Outstanding Paper Award
  • 2023/08 - Niigata University Niigata University Scholarly Publishing Award
  • 2021/12 - Niigata University Niigata University Outstanding Paper Award
  • 2016/11 - Niigata University Niigata University President's Award
  • 2005/03 - Waseda University Representative of Ph.D. (D.Sc.) recipients
Association Membership(s) (1):
The Mathematical Society of Japan
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