Rchr
J-GLOBAL ID:201401050196780772
Update date: Sep. 16, 2024
Ohshita Tatsuya
Ohshita Tatsuya
Affiliation and department:
Research field (1):
Algebra
Research keywords (5):
Arithmetic Geometry
, Iwasawa theory
, イデアル類群
, Selmer group
, Euler system
Research theme for competitive and other funds (4):
- 2021 - 2024 Discrete integrable systems and Diophantine problems
- 2020 - 2024 「高次Fittingイデアルを用いた岩澤理論の精密化」の拡張と明示的計算
- 2014 - 2018 岩澤理論の精密化とその応用
- 2010 - 2012 岩澤主予想の精密化
Papers (12):
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Kenichi Bannai, Hohto Bekki, Kei Hagihara, Tatsuya Ohshita, Kazuki Yamada, Shuji Yamamoto. The Hodge realization of the polylogarithm and the Shintani generating class for totally real fields. Advances in Mathematics. 2024. 448. 1-74
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Toshiro HIRANOUCHI, Tatsuya OHSHITA. Asymptotic behavior of class groups and cyclotomic Iwasawa theory of elliptic curves. Journal de Théorie des Nombres de Bordeaux. 2023. 35. 2. 591-657
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大下達也. イデアル類群の漸近挙動と楕円曲線の精Selmer群の岩澤加群について. 数理解析研究所講究録. 2022. 2225. 95-111
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Tatsuya Ohshita. On Higher Fitting Ideals of Certain Iwasawa Modules Associated with Galois Representations and Euler Systems. Kyoto Journal of Mathematics. 2021. 61. 1. 1-96
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Tatsuya Ohshita. On infinite extensions of Dedekind domains, upper semicontinuous functions and the ideal class semigroups. 2021. 13. 3. 407-434
more...
MISC (11):
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大下達也, 山田啓史, 井上リカ, 井上康平, 菅生千穂, 伊藤隆. コロナ禍における海外日本人学校での教育実践 -インターンシップとオンライン授業-. 群馬大学教育実践研究. 2024. 41. 49-58
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Yasuhiro Ishitsuka, Tetsushi Ito, Tatsuya Ohshita, Takashi Taniguchi, Yukihiro Uchida. Periods modulo p of integer sequences associated with division polynomials of genus 2 curves. 2023
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大下達也. 代数体上の楕円曲線の有理ねじれ点の位数の一様有界性について. 2021年度(第28回)整数論サマースクール報告集「モジュラー曲線と数論」. 2023. 271-427
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OHSHITA, Tatsuya. Congruences and Prime Numbers: Practical Teaching in High School and Mathematical Backgrounds. 2023. 71. 7-22
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Yasuhiro Ishitsuka, Tetsushi Ito, Tatsuya Ohshita. The arithmetic of a twist of the Fermat quartic. 2021
more...
Lectures and oral presentations (22):
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Waldspurger公式
(倉敷整数論集会 2024)
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M記号係数の群コホモロジーとヘッケ作用素
(信州整数論小研究集会 2024)
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Elliptic Curves and Congruent Numbers
(General Lecture “Looking at The World of Algebra: From Theory to the Classroom” 2024)
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Asymptotic behavior of ideal class groups and cyclotomic Iwasawa theory of elliptic curves
(Seminar in Algebra and Operator Algebra 2023)
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幾何的ヒルベルト保型形式とダイアモンド作用素
(Dasgupta Kakdeの最近の仕事とその周辺 Workshop 2022)
more...
Education (3):
- 2010 - 2013 京都大学大学院 理学研究科 数学数理解析専攻(博士後期課程)
- 2008 - 2010 京都大学大学院 理学研究科 数学数理解析専攻(修士課程)
- 2004 - 2008 Kyoto University Faculty of Science Faculty of Science
Professional career (1):
Work history (4):
- 2021/04 - 現在 Gunma University
- 2019/08 - 2021/03 Keio University
- 2014/08 - 2019/07 Ehime University Mathematics, Physics, and Earth Sciences, Graduate School of Science and Engineering
- 2013/04 - 2014/07 Kyoto University
Committee career (1):
- 2022/03 - 2023/02 日本数学会 地方区代議員
Association Membership(s) (1):
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