Harashita Shushi 原下秀士

… Alternative Names

HARASHITA Shushi 原下秀士

原下秀士ハラシタシユウシ

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Researcher Number	70396852
Other IDs
Affiliation (Current)	2025: 横浜国立大学, 大学院環境情報研究院, 教授
Affiliation (based on the past Project Information) *help	2022 – 2023: 横浜国立大学, 大学院環境情報研究院, 教授 2015 – 2021: 横浜国立大学, 大学院環境情報研究院, 准教授 2014 – 2015: 横浜国立大学, 環境情報研究科(研究院), 准教授 2010 – 2013: 横浜国立大学, 環境情報研究院, 准教授 2009: Kobe University, 理学研究科, 助教 2005: 東大, 数理(科)学研究科(研究院)
Review Section/Research Field	Principal Investigator Algebra / Basic Section 11010:Algebra-related Except Principal Investigator Algebra / Basic Section 11020:Geometry-related
Keywords	Principal Investigator モジュライ空間 / アーベル多様体 / 代数幾何学 / 代数曲線 / p-可除群 / 超特異 / 最大曲線 / 超特別曲線 / Deligne-Lusztig多様体 / 階層構造 … More / 不変量 / Newton polygon / 超特異曲線 / 曲線 / p-加除群 / 有限群スキーム / eligne-Lusztig多様体 / 葉層構造 / 数論幾何学 … More Except Principal Investigator ミラー対称性 / パンルヴェ方程式 / 超平面族 / 超曲面族 / frontal / Gauss mapping / creative condition / envelope / フロンタル / ガウス写像 / 創造的条件 / 包絡超曲面 / Floer理論 / 有限群スキーム / Witt 環 / symplectic　多様体 / 整モデル / 既約表現 / レベル構造 / 非可換ゼータ関数 / 双対分割定理 / 半アーベル群スキーム / ガウス分布 / 量子コホモロジー / ハミルトン構造 / アーベル多様体 / Fleor理論 / ガンマ関数 / 超幾何級数 / モジュライ理論 / マッカイ対応 / ゼータ関数 / 超平面配置 / フレア理論 / 安定性 / コンパクト化 / モジュライ / 複素力学系 / モノドロミー保存変形 / 高次元代数多様体 / 極小モデル理論 / 量子コホモロジーとミラー対称性 / モジュライ空間 / 相空間 / 可積分系 Less

Study on envelopes
- Principal Investigator
  
  西村尚史
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11020:Geometry-related
- Research Institution
  Yokohama National University
アーベル多様体や曲線のモジュライ空間の階層構造の研究Principal Investigator
- Principal Investigator
  
  原下秀士
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Yokohama National University
Stratifications of the moduli space of abelian varieties and that of curvesPrincipal Investigator
- Principal Investigator
  
  Shushi Harashita
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Algebra
- Research Institution
  Yokohama National University
Stratifications and foliations on the moduli space of abelian varietiesPrincipal Investigator
- Principal Investigator
  
  Harashita Shushi
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Yokohama National University
Geometric moduli theory and its theoretical applications
- Principal Investigator
  
  Nakamura Iku
- Project Period (FY)
  2011 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Research Field
  
  Algebra
- Research Institution
  Hokkaido University
On stratifications and foliations on the moduli space of abelian varietiesPrincipal Investigator
- Principal Investigator
  
  HARASHITA Shushi
- Project Period (FY)
  2009 – 2012
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Yokohama National University
  Kobe University
New developments and interaction between Algebraic Geometry and Integrable Systems
- Principal Investigator
  
  SAITO Masa-hiko (SAITO Masahiko)
- Project Period (FY)
  2007 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Research Field
  
  Algebra
- Research Institution
  Kobe University
正標数の体上のアーベル多様体のモジュライ空間に関する研究Principal Investigator
- Principal Investigator
  
  原下秀士
- Project Period (FY)
  2005
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  The University of Tokyo

[Journal Article] Representation of non-special curves of genus 5 as plane sextic curves and its application to finding curves with many rational points2024
- Author(s)
  Kudo Momonari、Harashita Shushi
- Journal Title
  
  Journal of Symbolic Computation
  
  Volume: 122 Pages: 102272-102272
- DOI
  10.1016/j.jsc.2023.102272
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K12949, KAKENHI-PROJECT-21K03159
[Journal Article] Differential forms on the curves associated to Appell-Lauricella hypergeometric series and the Cartier operator on them2023
- Author(s)
  Ryo Ohashi、Shushi Harashita
- Journal Title
  
  Yokohama Mathematical Journal
  
  Volume: 69 Pages: 1-32
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K03159
[Journal Article] Fast enumeration of superspecial hyperelliptic curves of genus 4 with automorphism group V42023
- Author(s)
  Ohashi Ryo、Kudo Momonari、Harashita Shushi
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 13638 Pages: 107-124
- DOI
  10.1007/978-3-031-22944-2_6
- ISBN
  9783031229435, 9783031229442
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K03159, KAKENHI-PROJECT-20K14301
[Journal Article] Algorithmic Study of Superspecial Hyperelliptic Curves over Finite Fields2022
- Author(s)
  Momonari Kudo、Shushi Harashita
- Journal Title
  
  Commentarii mathematici Universitatis Sancti Pauli = Rikkyo Daigaku sugaku zasshi
  
  Volume: 70 Pages: 49-64
- DOI
  10.14992/00022411
- URL
  http://id.nii.ac.jp/1062/00022411/
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K03159
[Journal Article] Supersingular abelian varieties and curves, and their moduli spaces, with a remark on the dimension of the moduli of supersingular curves of genus 42022
- Author(s)
  Shushi Harashita
- Journal Title
  
  RIMS Kokyuroku Bessatsu
  
  Volume: B90
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03159
[Journal Article] Asymptotic formula of the number of Newton polygons2020
- Author(s)
  Harashita Shushi
- Journal Title
  
  Mathematische Zeitschrift
  
  Volume: 0 Issue: 1-2 Pages: 1-20
- DOI
  10.1007/s00209-020-02504-w
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05196
[Journal Article] The existence of supersingular curves of genus 4 in arbitrary characteristic2020
- Author(s)
  Kudo Momonari、Harashita Shushi、Senda Hayato
- Journal Title
  
  Research in Number Theory
  
  Volume: 6 Issue: 4
- DOI
  10.1007/s40993-020-00217-x
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K14301, KAKENHI-PROJECT-17K05196
[Journal Article] Superspecial Trigonal Curves of Genus 52020
- Author(s)
  Kudo Momonari、Harashita Shushi
- Journal Title
  
  Experimental Mathematics
  
  Volume: Published online Issue: 3 Pages: 1-12
- DOI
  10.1080/10586458.2020.1723745
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05196
[Journal Article] Computational Approach to Enumerate Non-hyperelliptic Superspecial Curves of Genus 42020
- Author(s)
  KUDO Momonari、HARASHITA Shushi
- Journal Title
  
  Tokyo Journal of Mathematics
  
  Volume: 43 Issue: 1 Pages: 259-278
- DOI
  10.3836/tjm/1502179310
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05196
[Journal Article] Automorphism groups of superspecial curves of genus 4 over F112020
- Author(s)
  Kudo Momonari、Harashita Shushi、Senda Hayato
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 224 Issue: 9 Pages: 106339-106339
- DOI
  10.1016/j.jpaa.2020.106339
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05196, KAKENHI-PROJECT-19K21026
[Journal Article] Algorithms to enumerate superspecial Howe curves of genus 42020
- Author(s)
  Kudo Momonari、Harashita Shushi、Howe Everett W.
- Journal Title
  
  Open Book Series
  
  Volume: 4 Issue: 1 Pages: 301-316
- DOI
  10.2140/obs.2020.4.301
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14301, KAKENHI-PROJECT-17K05196
[Journal Article] Superspecial hyperelliptic curves of genus 4 over small finite fields2018
- Author(s)
  Momonari Kudo and Shushi Harashita
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 11321 Pages: 58-73
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05196
[Journal Article] On specializations of minimal p-divisible groups2018
- Author(s)
  Nobuhiro Higuchi and Shushi Harashita
- Journal Title
  
  Yokohama Mathematical Journal
  
  Volume: 64 Pages: 1-20
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K05196
[Journal Article] Superspecial curves of genus 4 in small characteristic2017
- Author(s)
  Momonari Kudo and Shushi Harashita
- Journal Title
  
  Finite Fields and Their Applications
  
  Volume: 45 Pages: 131-169
- DOI
  10.1016/j.ffa.2016.12.001
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25800008, KAKENHI-PROJECT-17K05196
[Journal Article] ON p-DIVISIBLE GROUPS WITH SATURATED NEWTON POLYGONS2017
- Author(s)
  HARASHITA SHUSHI
- Journal Title
  
  Nagoya Mathematical Journal
  
  Volume: Published online Pages: 1-25
- DOI
  10.1017/nmj.2017.22
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05196
[Journal Article] On the affineness of distinguished Deligne-Lusztig varieties2013
- Author(s)
  S. Harashita
- Journal Title
  
  Journal of Algebra
  
  Volume: 390 Pages: 290-297
- DOI
  10.1016/j.jalgebra.2013.05.025
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23224001, KAKENHI-PROJECT-25800008
[Journal Article] The supremum of Newton polygons of p-divisible groups with a given p-kernel type2011
- Author(s)
  S. Harashita
- Journal Title
  
  Geometry and Analysis of Automorphic Forms of Several Variables, Proceedings of the international symposium in honor of Takayuki Oda on the occasion of his 60th birthday
  
  Volume: 7 Pages: 41-55
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23224001
[Journal Article] The supremum of Newton polygons of p-divisible groups with a given p-kernel type. Geometry and Analysis of Automorphic Forms of Several Variables, Proceedings of the international symposium in honor of Takayuki Oda on the occasion of his 60th birthday2011
- Author(s)
  Shushi Harashita
- Journal Title
  
  Series on Number Theory and Its Applications
  
  Volume: Vol.7 Pages: 41-55
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] The supremum of Newton polygons of p-divisible groups with a given p-kernel type2011
- Author(s)
  Shushi Harashita
- Journal Title
  
  Proceedings of the international symposium in honor of Takayuki Oda on the occasion of his 60th birthday, Series on Number Theory and Its Applications
  
  Volume: 7 Pages: 41-55
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] The rings of Witt vectors for noncommutative rings with some rich structure2010
- Author(s)
  Shushi Harashita
- Journal Title
  
  Communications in Algebra
  
  Volume: Vol.38 Pages: 1282-1290
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] Generic Newton polygons of Ekedahl-Oort strata : Oort's conjecture2010
- Author(s)
  Shushi Harashita
- Journal Title
  
  Annales de l'Institut Fourier
  
  Volume: 60 Pages: 1787-1830
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] Ekedahl-Oort strata contained in the supersingular locus and Deligne-Lusztig varieties2010
- Author(s)
  Shushi Harashita
- Journal Title
  
  Journal of Algebraic Geometry
  
  Volume: 19 Pages: 419-438
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] Generic Newton polygons of Ekedahl-Oort strata: Oort's conjecture2010
- Author(s)
  Shushi Harashita
- Journal Title
  
  Annales de l'Institut Fourier
  
  Volume: 60, no5 Pages: 1787-1830
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] Ekedahl-Oort strata contained in the supersingular locus and Deligne-Lusztig varieties.2010
- Author(s)
  Shushi Harashita
- Journal Title
  
  Journal of Algebraic Geometry
  
  Volume: 19 Pages: 419-438
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] Successive extensions of minimal p-divisible groups2009
- Author(s)
  Shushi Harashita
- Journal Title
  
  Journal of Pure and Applied Algebra
  
  Volume: 213 Pages: 1823-1834
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] Successive extensions of minimal p-divisible groups2009
- Author(s)
  Shushi Harashita
- Journal Title
  
  Journal of Pure and Applied Algebra 213
  
  Pages: 1823-1834
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] Configuration of the central streams in the moduli of abelian varieties2009
- Author(s)
  Shushi Harashita
- Journal Title
  
  Asian Journal of Mathematics 13
  
  Pages: 215-250
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] Configuration of the central streams in the moduli of abelian varieties2009
- Author(s)
  Shushi Harashita
- Journal Title
  
  The Asian Journal of Mathematics
  
  Volume: 13 no.2 Pages: 215-250
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] Ekedahl-Oort strata contained in the supersingular locus and Deligne-Lusztig varieties
- Author(s)
  Shushi Harashita
- Journal Title
  
  Journal of Algebraic Geometryに採録が決定 (掲載確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] Generic Newton polygons of Ekedahl-Oort Strata : Oort's conjecture
- Author(s)
  Shushi Harashita
- Journal Title
  
  Annales de l'Institut Fourierに採録が決定 (掲載確定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21740006
[Journal Article] The supremum of Newton polygons of p-divisible groups with a given p-kernel type
- Author(s)
  Shushi Harashita
- Journal Title
  
  (投稿中)(掲載確定)
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] The multiplicity-one theorem for the superspeciality of curves of genus two2024
- Author(s)
  山本侑也、原下秀士
- Organizer
  日本数学会２０２４年度年会
- Data Source
  KAKENHI-PROJECT-21K03159
[Presentation] 楕円曲線の二重被覆曲線として得られる種数４の超特別曲線2024
- Author(s)
  小笠原匠、原下秀士、大橋亮、坂田康亮
- Organizer
  日本数学会２０２４年度年会
- Data Source
  KAKENHI-PROJECT-21K03159
[Presentation] Differential forms on degenerations of superelliptic curves and Appell-Lauricella hypergeometric series2022
- Author(s)
  Shushi Harashita
- Organizer
  L-functions and Motives in Niseko
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03159
[Presentation] 種数４の超特別曲線の存在性と数え上げについて（仮題）2022
- Author(s)
  原下秀士
- Organizer
  早稲田整数論セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-21K03159
[Presentation] Differential forms on the curves associated to Appell-Lauricella hypergeometric series and the Cartier operator on them（仮題）2022
- Author(s)
  Shushi Harashita
- Organizer
  L-functions and Motives in Niseko 2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03159
[Presentation] Supersingular abelian varieties and curves, and their moduli spaces2020
- Author(s)
  Shushi Harashita
- Organizer
  Theory and Applications of Supersingular Curves and Supersingular Abelian Varieties
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05196
[Presentation] The existence of supersingular curves of genus 4 in arbitrary characteristic2019
- Author(s)
  Shushi Harashita
- Organizer
  Supersingular Abelian Varieties and Related Arithmetic
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05196
[Presentation] Superspecial trigonal curves of genus 52019
- Author(s)
  Momonari Kudo and Shushi Harashita
- Organizer
  MEGA2019、ポスター発表の予定
- Data Source
  KAKENHI-PROJECT-17K05196
[Presentation] Superspecial trigonal curves of genus 52019
- Author(s)
  工藤桃成（登壇者）、原下秀士
- Organizer
  日本数学会（年会）
- Invited
- Data Source
  KAKENHI-PROJECT-17K05196
[Presentation] Automorphism groups of superspecial curves of genus 4 over F_112018
- Author(s)
  千田駿人（登壇者）, 工藤桃成, 原下秀士
- Organizer
  日本数学会年会
- Data Source
  KAKENHI-PROJECT-17K05196
[Presentation] Enumerating superspecial curves of genus 4 over prime fields2018
- Author(s)
  工藤桃成（登壇者）, 原下秀士
- Organizer
  日本数学会年会
- Data Source
  KAKENHI-PROJECT-17K05196
[Presentation] Superspecial Hyperelliptic Curves of Genus 4 over Small Finite Fields2018
- Author(s)
  Momonari Kudo（登壇者） and Shushi Harashita
- Organizer
  International Workshop on the Arithmetic of Finite Fields (WAIFI 2018)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05196
[Presentation] 低標数の種数 4 の超特別曲線について2017
- Author(s)
  原下秀士
- Organizer
  九州代数的整数論 2017（KANT 2017）
- Place of Presentation
  九州大学
- Invited
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] Enumerating Superspecial Curves of Genus 4 over Prime Fields2017
- Author(s)
  Momonari Kudo (登壇者), Shushi Harashita
- Organizer
  The Tenth International Workshop on Coding and Cryptography 2017
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05196
[Presentation] On p-divisible groups with saturated Newton polygons2016
- Author(s)
  Shushi Harashita
- Organizer
  Workshop on Shimura varieties, representation theory and related topics
- Place of Presentation
  Kyoto University
- Invited
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] On p-divisible groups with saturated Newton polygons（仮題）2016
- Author(s)
  原下秀士
- Organizer
  Workshop on Shimura varieties, representation theory and related topics
- Place of Presentation
  Department of Mathematics, Kyoto University
- Year and Date
  2016-11-21
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] Superspecial curves of genus 4 in small characteristic2016
- Author(s)
  Shushi Harashita
- Organizer
  10th Conference on Arithmetic and Algebraic Geometry
- Place of Presentation
  The University of Tokyo
- Invited
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] 飽和 Newton polygons をもつ p-可除群について2016
- Author(s)
  原下秀士
- Organizer
  九大代数学セミナー
- Place of Presentation
  九州大学
- Invited
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] On p-divisible groups with saturated Newton polygons2015
- Author(s)
  原下秀士
- Organizer
  Workshop on "Moduli spaces of abelian varieties and curves, and related analysis"
- Place of Presentation
  東京大学数理科学研究科
- Year and Date
  2015-12-16
- Invited
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] Introduction to moduli spaces of abelian varieties in positive characteristic.2015
- Author(s)
  原下秀士
- Organizer
  Workshop on "Moduli spaces of abelian varieties and curves, and related analysis"
- Place of Presentation
  東京大学数理科学研究科（東京都・目黒区）
- Year and Date
  2015-12-15
- Invited
- Data Source
  KAKENHI-PROJECT-23224001
[Presentation] Introduction to moduli spaces of abelian varieties in positive characteristic2015
- Author(s)
  原下秀士
- Organizer
  Workshop on "Moduli spaces of abelian varieties and curves, and related analysis"
- Place of Presentation
  東京大学数理科学研究科
- Year and Date
  2015-12-15
- Invited
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] On $p$-divisible groups with saturated Newton polygons.2015
- Author(s)
  原下秀士
- Organizer
  Workshop on "Moduli spaces of abelian varieties and curves, and related analysis
- Place of Presentation
  東京大学数理科学研究科（東京都・目黒区）
- Year and Date
  2015-12-16
- Invited
- Data Source
  KAKENHI-PROJECT-23224001
[Presentation] A new parametrization of BT_1's2014
- Author(s)
  原下秀士
- Organizer
  愛媛整数論ミニ研究集会
- Place of Presentation
  愛媛大学大学院理工学研究科
- Year and Date
  2014-08-09
- Invited
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] A new parametrization of BT12014
- Author(s)
  原下秀士
- Organizer
  愛媛整数論ミニ研究集会
- Place of Presentation
  愛媛大学(松山市)
- Year and Date
  2014-08-09
- Invited
- Data Source
  KAKENHI-PROJECT-23224001
[Presentation] 正標数の体上のアーベル多様体のモジュライ空間の葉層構造について2013
- Author(s)
  原下秀士
- Organizer
  北海道大学数論幾何学セミナー
- Place of Presentation
  北海道大学理学部3号館3-413
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] On the affineness of fine Deligne-Lusztig varieties2012
- Author(s)
  原下　秀士
- Organizer
  代数幾何研究集会
- Place of Presentation
  東京大学（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-23224001
[Presentation] Deligne-Lusztig varieties associated to G2. Workshop on the arithmetic geometry of Shimura varieties and Rapoport-Zink spaces (T. Ito)2011
- Author(s)
  Shushi Harashita
- Organizer
  Department of Mathematics
- Place of Presentation
  Kyoto University Lecture Room 110
- Year and Date
  2011-07-08
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Deligne-Lusztig varieties associated to G_22011
- Author(s)
  Shushi Harashita
- Organizer
  Workshop on the arithmetic geometry of Shimura varieties and Rapoport-Zink spaces
- Place of Presentation
  京都大学（京都市）
- Invited
- Data Source
  KAKENHI-PROJECT-23224001
[Presentation] On the affineness of fine Deligne-Lusztig varieties2011
- Author(s)
  原下秀士
- Organizer
  保型形式の整数論月例セミナー(織田孝幸)
- Place of Presentation
  東京大学大学院数理科学研究科
- Year and Date
  2011-12-17
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] On the affineness of distinguished Deligne-Lusztig varieties2011
- Author(s)
  原下　秀士
- Organizer
  保型形式の整数論月例セミナー
- Place of Presentation
  東京大学（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-23224001
[Presentation] On the affineness of fine Deligne-Lusztig varieties2011
- Author(s)
  原下秀士
- Organizer
  代数幾何研究集会
- Place of Presentation
  東京大学大学院数理科学研究科(招待講演)
- Year and Date
  2011-12-07
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Deligne-Lusztig varieties associated to G_22011
- Author(s)
  Shushi Harashita
- Organizer
  Workshop on the arithmetic geometry of Shimura varieties and Rapoport-Zink spaces
- Place of Presentation
  Department of Mathematics, Kyoto University(招待講演)
- Year and Date
  2011-07-08
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] On the affineness of fine Deligne-Lusztig varieties2011
- Author(s)
  原下秀士
- Organizer
  代数幾何研究集会
- Place of Presentation
  東京大学大学院数理科学研究科
- Year and Date
  2011-12-07
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] On the affineness of fine Deligne-Lusztig varieties. 2011Taiwan-Japan Workshop on Arithmetic Algebraic Geometry and Related Topics (T. Katsura, T. Saito, C.-F. Yu)2011
- Author(s)
  Shushi Harashita
- Organizer
  Institute of Mathematics, Academia Sinica (NTU Campus), 6F Auditorium.
- Place of Presentation
  台湾
- Year and Date
  2011-11-17
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] On the affineness of fine Deligne-Lusztig varieties2011
- Author(s)
  Shushi Harashita
- Organizer
  2011 Taiwan-Japan Workshop on Arithmetic Algebraic Geometry and Related Topics
- Place of Presentation
  Institute of Mathematics, Academia Sinica（台湾）
- Invited
- Data Source
  KAKENHI-PROJECT-23224001
[Presentation] On the affineness of fine Deligne-Lusztig varieties2011
- Author(s)
  Shushi Harashita
- Organizer
  2011 Taiwan-Japan Workshop on Arithmetic Algebraic Geometry and Related Topics
- Place of Presentation
  Institute of Mathematics, Academia Sinica, Taiwan(招待講演)
- Year and Date
  2011-11-17
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] On the affineness of distinguished Deligne-Lusztig varieties2011
- Author(s)
  原下秀士
- Organizer
  保型形式の整数論月例セミナー
- Place of Presentation
  東京大学大学院数理科学研究科(招待講演)
- Year and Date
  2011-12-17
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Deligne-Lusztig多様体入門I,II2010
- Author(s)
  原下秀士
- Organizer
  代数幾何研究集会2010
- Place of Presentation
  法政大学
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Deligne-Lusztig 多様体入門I, II2010
- Author(s)
  原下秀士
- Organizer
  代数幾何研究集会2010
- Place of Presentation
  法政大学
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Optimal estimation of the Newton polygon of a p-divisible group from its p-kernel I, II.2010
- Author(s)
  原下秀士
- Organizer
  数論幾何学ワークショップ2010
- Place of Presentation
  沖縄尚学高等学校
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Optimal estimation of the Newton polygon of a p-divisible group from its p-kernel I, II2010
- Author(s)
  原下秀士
- Organizer
  数論幾何学ワークショップ 2010
- Place of Presentation
  沖縄尚学高等学校
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Estimating the Newton polygon of a p-divisible group from its p-kernel2009
- Author(s)
  Shushi Harashita
- Organizer
  Workshop on Arithmetic Geometry in Kanazawa
- Place of Presentation
  石川県文教会館(石川県)
- Year and Date
  2009-11-24
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Estimating the Newton polygon of a p-divisible group from its p-kernel2009
- Author(s)
  原下秀士
- Organizer
  野田モジュラー多様体研究集会
- Place of Presentation
  東京理科大学(千葉県)
- Year and Date
  2009-12-24
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] The optimal estimation of the Newton polygon of a p-divisible group from its p-kernel2009
- Author(s)
  Shushi Harashita
- Organizer
  Industrious Number Theory
- Place of Presentation
  九州大学(福岡県)
- Year and Date
  2009-12-05
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] p-可除群のp-核と同種類の関係について2009
- Author(s)
  原下秀士
- Organizer
  大阪大学整数論&保型形式セミナー
- Place of Presentation
  大阪大学(大阪府)
- Year and Date
  2009-11-06
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] The supremum of Newton polygons of p-divisible groups with a given p-kernel type2009
- Author(s)
  Shushi Harashita
- Organizer
  代数幾何学城崎シンポジウム
- Place of Presentation
  兵庫県立城崎大会議館(兵庫県)
- Year and Date
  2009-10-29
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] On the Siegel modular varieties of small genera in positive characteristic2009
- Author(s)
  原下秀士
- Organizer
  「正標数の代数幾何学」研究集会
- Place of Presentation
  法政大学(東京都)
- Year and Date
  2009-12-18
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] p-可除群の同種類をそのp-核から最も良く評価するアルゴリズムについて2009
- Author(s)
  原下秀士
- Organizer
  神戸大学理学部数学教室談話会
- Place of Presentation
  神戸大学(兵庫県)
- Year and Date
  2009-10-14
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Estimating the Newton polygon of a p-divisible group from its p-kernel.2009
- Author(s)
  Shushi Harashita
- Organizer
  Workshop on Arithmetic Geometry in Kanazawa(金沖数論幾何集会)
- Place of Presentation
  石川県文教会館
- Year and Date
  2009-11-24
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Estimating the Newton polygon of a p-divisible group from its p-kernel2009
- Author(s)
  原下秀士
- Organizer
  野田モジュラー多様体研究集会
- Place of Presentation
  東京理科大学
- Year and Date
  2009-12-24
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] The optimal estimation of the Newton polygon of a p-divisible group from its p-kernel2009
- Author(s)
  Shushi Harashita
- Organizer
  Industrious Number Theory
- Place of Presentation
  九州大学
- Year and Date
  2009-12-05
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] p-可除群の同種類をその p- 核から最も良く評価するアルゴリズムについて2009
- Author(s)
  原下秀士
- Organizer
  神戸大学理学部数学教室談話会
- Year and Date
  2009-10-14
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] p-可除群のp-核と同種の関係について2009
- Author(s)
  原下秀士
- Organizer
  大阪大学整数論&保型形式セミナー
- Year and Date
  2009-11-06
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] The supremum of Newton polygons of p-divisible groups with a given p-kernel type2009
- Author(s)
  Shushi Harashita
- Organizer
  The international symposium, Geometry and Analysis of Automorphic forms of Several Variables
- Place of Presentation
  東京大学数理科学研究科(東京都)
- Year and Date
  2009-09-15
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] The supremum of Newton polygons of p-divisible groups with a given p-kernel type2009
- Author(s)
  Shushi Harashita
- Organizer
  代数幾何学城崎シンポジウム
- Place of Presentation
  兵庫県立城崎大会議館
- Year and Date
  2009-10-29
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] The supremum of Newton polygons of p-divisible groups with a given p-kernel type. The international symposium, Geometry and Analysis of Automorphic Forms of Several Variables2009
- Author(s)
  Shushi Harashita
- Organizer
  in honor of Professor Takayuki Oda on the occasion of his 60th birthday
- Place of Presentation
  東京大学数理科学研究科大講義室
- Year and Date
  2009-09-15
- Data Source
  KAKENHI-PROJECT-21740006
[Presentation] Remarks on p-divisible groups with a leaf deformation I, II
- Author(s)
  原下秀士
- Organizer
  ミニ集会「跡公式と、関連する話題について」
- Place of Presentation
  東京大学数理科学研究科
- Invited
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] アーベル多様体のモジュライ空間に入る階層構造(1)-(4)
- Author(s)
  原下秀士
- Organizer
  Arithmetic Geometry Seminar
- Place of Presentation
  北海道大学(札幌市)
- Year and Date
  2014-09-17 – 2014-09-19
- Invited
- Data Source
  KAKENHI-PROJECT-23224001
[Presentation] p可除群の葉層の境界について
- Author(s)
  原下秀士
- Organizer
  早稲田整数論セミナー
- Place of Presentation
  早稲田大学西早稲田キャンパス
- Invited
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] アーベル多様体のモジュライ空間に入る階層構造
- Author(s)
  原下秀士
- Organizer
  Arithmetic Geometry Seminar
- Place of Presentation
  北海道大学理学部
- Year and Date
  2014-09-17 – 2014-09-19
- Invited
- Data Source
  KAKENHI-PROJECT-25800008
[Presentation] p可除群の葉層の境界について
- Author(s)
  原下秀士
- Organizer
  大阪大学整数論・保型形式セミナー
- Place of Presentation
  大阪大学理学研究科数学専攻
- Invited
- Data Source
  KAKENHI-PROJECT-25800008

1. IWASAKI Katsunori (00176538)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. SAITO Masa-hiko (80183044)

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# of Collaborated Products: 0 results
3. FUKAYA Kenji (30165261)

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5. HOSONO Shinobu (60212198)

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6. YOSHINAGA Masahiko (90467647)

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13. TAKASAKI Kanehisa (40171433)

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37. 工藤桃成

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Harashita Shushi 原下 秀士

HARASHITA Shushi 原下 秀士

原下 秀士 ハラシタ シユウシ

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Study on envelopes

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アーベル多様体や曲線のモジュライ空間の階層構造の研究Principal Investigator

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Stratifications of the moduli space of abelian varieties and that of curvesPrincipal Investigator

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Stratifications and foliations on the moduli space of abelian varietiesPrincipal Investigator

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Geometric moduli theory and its theoretical applications

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On stratifications and foliations on the moduli space of abelian varietiesPrincipal Investigator

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New developments and interaction between Algebraic Geometry and Integrable Systems

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正標数の体上のアーベル多様体のモジュライ空間に関する研究Principal Investigator

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[Journal Article] Representation of non-special curves of genus 5 as plane sextic curves and its application to finding curves with many rational points2024

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[Journal Article] Differential forms on the curves associated to Appell-Lauricella hypergeometric series and the Cartier operator on them2023

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[Journal Article] Fast enumeration of superspecial hyperelliptic curves of genus 4 with automorphism group V42023

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[Journal Article] Algorithmic Study of Superspecial Hyperelliptic Curves over Finite Fields2022

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[Journal Article] Supersingular abelian varieties and curves, and their moduli spaces, with a remark on the dimension of the moduli of supersingular curves of genus 42022

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Harashita Shushi 原下秀士

HARASHITA Shushi 原下秀士

原下秀士ハラシタシユウシ