Ohashi Hisanori 大橋久範

… Alternative Names

OHASHI Hisanori 大橋久範

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Researcher Number	40547006
Other IDs
Affiliation (Current)	2022: 東京理科大学, 理工学部数学科, 准教授
Affiliation (based on the past Project Information) *help	2019 – 2020: 東京理科大学, 理工学部数学科, 准教授 2016 – 2018: 東京理科大学, 理工学部数学科, 講師 2017: 東京理科大学, 理工学部, 講師 2014 – 2015: 東京理科大学, 理工学部, 講師 2012 – 2013: 東京理科大学, 理工学部, 助教 … More 2011: 名古屋大学, 多元数理科学研究科, 特任助教 2010: Kyoto University, 数理解析研究所, 特定研究員 2009 – 2010: Kyoto University, 数理解析研究所, 特定研究員(グローバルCOE) Less
Review Section/Research Field	Principal Investigator Algebra / Basic Section 11010:Algebra-related Except Principal Investigator Algebra
Keywords	Principal Investigator K3曲面 / エンリケス曲面 / 自己同型 / モジュライ / 代数曲面 / マシュー群 / モーデルヴェイユ格子 / ニーマイヤー格子 / log del Pezzo曲面 / 自己同型の退化 … More / Comessatti曲面 / 正則シンプレクティック多様体 / 自己同型群 / 国際情報交換（韓国） / Ｋ３曲面 / 国際情報交換（ドイツ） / 国際情報交換（ハノーバー大学） / エントロピー / サレム数 / 偏極 … More Except Principal Investigator K3曲面 / モジュライ空間 / モジュライ / 代数幾何学 / Enriques曲面 / エンリケス曲面 / Torelli定理 / ルート系 / Mathieu群 / アーベル曲面 / Torelli型定理 / 保型形式 / 井草4次超曲面 / 反シンプレクティック正則対合 / 格子 / 周期領域 / (-2)ベクトル / 退化 / 非ハウスドルフ / Hirzebruch曲面 / anti-bicanonical曲線 / isotopy型 / marking / 反シンプレクティック対合 / 複素幾何 / 複素力学系 / 表現論 / アラケロフ幾何 / 幾何学的群論 / クレモナ変換 / 直交型モジュラー多様体 / 力学的次数 / 複素多様体の変形 / 離散群とコホモロジー次元 / 代数学 / カラビ・ヤウ多様体 / クラスター代数 / 算術的多様体 / CalabiYau多様体 / Calabi-Yau多様体 Less

Structural study of automorphisms of Enriques surfacesPrincipal Investigator
- Principal Investigator
  
  大橋久範
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 11010:Algebra-related
- Research Institution
  Tokyo University of Science
Finite groups in the theory of K3 surfacesPrincipal Investigator
- Principal Investigator
  
  Ohashi Hisanori
- Project Period (FY)
  2015 – 2019
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Tokyo University of Science
Real K3 surfaces with non-symplectic holomorphic involutions and their degenerations
- Principal Investigator
  
  Saito Sachiko
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Algebra
- Research Institution
  Hokkaido University of Education
Moduli spaces of algebraic varieties and self-morphisms
- Principal Investigator
  
  Mukai Shigeru
- Project Period (FY)
  2013 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Research Field
  
  Algebra
- Research Institution
  Kyoto University
Automorphisms of algebraic surfaces and its applicationsPrincipal Investigator
- Principal Investigator
  
  OHASHI Hisanori
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Algebra
- Research Institution
  Tokyo University of Science
  Nagoya University
Moduli theoretic study of Fano varieties and Enriques surfaces
- Principal Investigator
  
  MUKAI Shigeru
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Algebra
- Research Institution
  Kyoto University
K3 and Enriques surfaces from the viewpoint of automorphismsPrincipal Investigator
- Principal Investigator
  
  OHASHI Hisanori
- Project Period (FY)
  2009 – 2010
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Algebra
- Research Institution
  Kyoto University

All 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 Other

All Journal Article Presentation

[Journal Article] サレム数とK3曲面の自己同型2018
- Author(s)
  大橋久範
- Journal Title
  
  数理科学
  
  Volume: 664 Pages: 55-60
- Data Source
  KAKENHI-PROJECT-15K17521
[Journal Article] On automorphisms of Enriques surfaces and their entropy2018
- Author(s)
  Y. Matsumoto, H. Ohashi, S. Rams
- Journal Title
  
  Mathematische Nachrichten
  
  Volume: 印刷中
- DOI
  10.1002/mana.201700329
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521, KAKENHI-PROJECT-16K17560, KAKENHI-PROJECT-25220701
[Journal Article] Rationality of the moduli spaces of Eisenstein K3 surfaces2015
- Author(s)
  Shouhei Ma, Hisanori Ohashi and Shingo Taki
- Journal Title
  
  Transaction of the American Mathematical Society
  
  Volume: 367 Pages: 8643-8679
- DOI
  10.1090/tran/6349
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521, KAKENHI-PROJECT-15H05738, KAKENHI-PROJECT-25220701
[Journal Article] The automorphism groups of Enriques surfaces covered by symmetric quartic surfaces2015
- Author(s)
  S. Mukai and H. Ohashi
- Journal Title
  
  ``Recent Advances in Algebraic Geometry" (eds. Hacon, Mustata and Popa) in the London Mathematical Society Lecture Notes Series (Cambridge Univ. Press)
  
  Volume: 417 Pages: 307-320
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25220701
[Journal Article] Gorenstein Q-homology projective planes2015
- Author(s)
  D. Hwang, J. Keum and H. Ohashi
- Journal Title
  
  Sci. China Math.
  
  Volume: 58 Pages: 501-512
- DOI
  10.1007/s11425-015-4978-4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23740010, KAKENHI-PROJECT-25220701
[Journal Article] The automorphism Groups of Enriques surfaces covered by symmetric quartic surfaces2014
- Author(s)
  Shigeru Mukai and Hisanori Ohashi
- Journal Title
  
  Lazarsfeld 教授還暦記念代数幾何学研究集会報告集 (London Math. Soc. Lect. Notes Ser.)
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22340007
[Journal Article] Classification of involutions on Enriques surfaces2014
- Author(s)
  H. Ito and H. Ohashi
- Journal Title
  
  Michigan Mathematical Journal
  
  Volume: 63
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23740010
[Journal Article] Enriques surfaces of Hutchinson-Gopel type and Mathieu automorphisms,"Arithmetic and Geometry of K3 surfaces and Calabi-Yau Threefoolds"(eds. Mschutt, R. Laza and N. Yui)2013
- Author(s)
  向井　茂，大橋久範
- Journal Title
  
  Fields Institute communications
  
  Volume: 67 Pages: 429-454
- DOI
  10.1007/978-1-4614-6403-7_15
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22244003, KAKENHI-PROJECT-22340007, KAKENHI-PROJECT-23740010, KAKENHI-PROJECT-25220701
[Journal Article] K3 surfaces and log del Pezzo surfaces of index three2012
- Author(s)
  H. Ohashi and S. Taki
- Journal Title
  
  manuscripta math.
  
  Volume: 139
- DOI
  10.1007/s00229-011-0524-z
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23740010
[Journal Article] Hutchinson-Weber involutions degenerate exactly when the Jacobian is Comessatti2012
- Author(s)
  H.Ohashi
- Journal Title
  
  Publ. RIMS
  
  Volume: 48(掲載確定) Pages: 107-127
- DOI
  10.2977/prims/63
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22224001, KAKENHI-PROJECT-23740010
[Journal Article] Integral sections of some elliptic K3 surface via the binary Golay code2010
- Author(s)
  Hisanori Ohashi
- Journal Title
  
  RIMS preprint
  
  Volume: 1696 Pages: 1-15
- Data Source
  KAKENHI-PROJECT-21840031
[Journal Article] Integral sections of some elliptic K3 surface via the binary Golay code2010
- Author(s)
  H.Ohashi
- Journal Title
  
  RIMS-preprint 1696
  
  Pages: 1-15
- URL
  http://www.kurims.kyoto-u.ac.jp/preprint/file/RIMS1696.pdf
- Data Source
  KAKENHI-PROJECT-21840031
[Journal Article] Hutchinson-Weber involutions degenerate exactly when the Jacobian is Comessatti
- Author(s)
  H.Ohashi
- Journal Title
  
  Publ.RIMSに掲載決定済
- NAID
  110008906971
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] symmetries of order 4 on Enriques surfaces2019
- Author(s)
  Hisanori Ohashi
- Organizer
  Research seminar of algebraic and arithmetic geometry
- Data Source
  KAKENHI-PROJECT-19K03411
[Presentation] Symmetries of order four on Enriques surfaces2019
- Author(s)
  Hisanori Ohashi
- Organizer
  Research seimnar on algebraic and arithetic geometry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On automorphisms of Enriques surfaces and their entropy2018
- Author(s)
  Ohashi Hisanori
- Organizer
  正標数の代数幾何とその関連する話題
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] Topological classification of automorphisms on Enriques surfaces of order 42018
- Author(s)
  Hisanori Ohashi
- Organizer
  working workshop on Calabi-Yau varieties and related topics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] Automorphisms of Enriques surfaces of order 42018
- Author(s)
  大橋久範
- Organizer
  代数幾何学研究集会 -宇部-
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] Topological classification of automorphisms on Enriques surfaces of order 42018
- Author(s)
  Hisanori Ohashi
- Organizer
  Algebraic Geometry
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On automorphisms of Enriques surfaces and their entropy2017
- Author(s)
  Hisanori Ohashi
- Organizer
  葉層構造の幾何学とその応用
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] On automorphisms of Enriques surfaces and their entropy2017
- Author(s)
  Ohashi Hisanori
- Organizer
  Workshop on Calabi-Yau manifolds -arithmetic, geometry and physics-
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On automorphisms of Enriques surfaces and their entropy2017
- Author(s)
  Ohashi Hisanori
- Organizer
  K3 surfaces and related topics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] エンリケス曲面の自己同型の性質と、エントロピーについて2017
- Author(s)
  大橋久範
- Organizer
  第15回代数曲面ワークショップat秋葉原
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On automorphisms of Enriques surfaces and their entropy2017
- Author(s)
  Hisanori Ohashi
- Organizer
  Japanese-European symposium on symplectic varieties and moduli spaces
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On automorphisms of Enriques surfaces and their topological entropy2017
- Author(s)
  Ohashi Hisanori
- Organizer
  Hakodate workshop on arithmetic geometry 2017
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On automorphisms of Enriques surfaces and their entropy2017
- Author(s)
  Hisanori Ohashi
- Organizer
  K3 surfaces and related topics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] エンリケス曲面の自己同型とエントロピーについて2017
- Author(s)
  大橋久範
- Organizer
  東京電機大学　数学講演会
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On automorphisms of Enriques surfaces and their entropy2017
- Author(s)
  Hisanori Ohashi
- Organizer
  Japanese-European symposium on symplectic spaces and moduli spaces
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] エンリケス曲面の自己同型とエントロピーについて2017
- Author(s)
  大橋久範
- Organizer
  東工大　数論・幾何学セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On automorphisms of Enriques surfaces and their entropy2017
- Author(s)
  大橋久範
- Organizer
  葉層構造の幾何学とその応用
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] Enriques surfaces of type II and an elliptic modular surface of level 42016
- Author(s)
  大橋久範
- Organizer
  射影多様体の幾何とその周辺２０１６
- Place of Presentation
  高知工科大学（高知県・高知市）
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] エンリケス曲面の自己同型のエントロピーについて2016
- Author(s)
  大橋久範
- Organizer
  代数幾何学セミナー
- Place of Presentation
  名古屋大学（愛知県・名古屋市）
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On some families of Enriques surfaces parametrized by rational modular curves2016
- Author(s)
  大橋久範
- Organizer
  代数幾何学セミナー
- Place of Presentation
  九州大学（福岡県・福岡市）
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On some families of Enriques surfaces parametrized by rational modular curves2016
- Author(s)
  Ohashi Hisanori
- Organizer
  Rationality and self-maps of algebraic varieties
- Place of Presentation
  京都大学（京都府・京都市）
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] エンリケス曲面の自己同型について2016
- Author(s)
  大橋久範
- Organizer
  談話会
- Place of Presentation
  筑波大学（茨城県・つくば市）
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] Enriques surfaces of type II and an elliptic modular surface of level 42016
- Author(s)
  Ohashi Hisanori
- Organizer
  On explicit description of holomorphic symplectic varieties
- Place of Presentation
  大沼国際セミナーハウス（北海道・亀田郡七飯町）
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] The automorphism groups of the Enriques surfaces covered by some symmetric quartic K3 surfaces2016
- Author(s)
  Hisanori Ohashi
- Organizer
  Arithmetic and Algebraic Geometry 2016
- Place of Presentation
  東京大学（東京都目黒区）
- Year and Date
  2016-01-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] On Enriques surfaces of type II and some elliptic modular surfaces2016
- Author(s)
  Ohashi Hisanori
- Organizer
  Calabi-Yau manifolds: arithmetic, geometry and physics
- Place of Presentation
  津田塾大学（東京都・小平市）
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] エンリケス曲面の自己同型について2016
- Author(s)
  大橋久範
- Organizer
  新潟代数セミナー
- Place of Presentation
  新潟大学（新潟県・新潟市）
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] the automorphism groups of the Enriques surfaces covered by some symmetric quartic K3 surfaces2016
- Author(s)
  H. Ohashi
- Organizer
  Arithmetic and Algebraic Geometry 2016
- Place of Presentation
  東大駒場キャンパス(東京都)目黒区
- Year and Date
  2016-01-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] エンリケス曲面の自己同型について2016
- Author(s)
  Hisanori Ohashi
- Organizer
  代数幾何セミナー
- Place of Presentation
  名古屋大学（愛知県名古屋市）
- Year and Date
  2016-03-03
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] the automorphism groups of Enriques surfaces covered by some symmetric quartic K3 surfaces2015
- Author(s)
  H. Ohashi
- Organizer
  Singular curves on K3 surfaces and hyperkahler manifolds
- Place of Presentation
  Oberwolfach institute　（Oberwolfach Germany)）
- Year and Date
  2015-11-09
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] Bi-canonical representations of finite automorphisms acting on Enriques surfaces2015
- Author(s)
  H. Ohashi
- Organizer
  Research seminar on algebraic and arithmetic geometry
- Place of Presentation
  ハノーバー大学 (ハノーバー　ドイツ）
- Year and Date
  2015-09-07
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] Non-semi-symplectic automorphisms of Enriques surfaces2015
- Author(s)
  Hisanori Ohashi
- Organizer
  Research seminar on algebraic and arithmetic geometry
- Place of Presentation
  Leibniz universitaet Hannover (Hannover, Germany)
- Year and Date
  2015-09-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] Gorenstein Q-homology projective planes2015
- Author(s)
  Hisanori Ohashi
- Organizer
  Joint Workshop: Geometry and Analysis
- Place of Presentation
  東京理科大学（千葉県野田市）
- Year and Date
  2015-05-15
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] エンリケス曲面の自己同型について2015
- Author(s)
  大橋久範
- Organizer
  合同セミナー
- Place of Presentation
  東京理科大学（東京都新宿区）
- Year and Date
  2015-09-17
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] Curve configurations on Enriques surfaces and automorphism groups2015
- Author(s)
  Hisanori Ohashi
- Organizer
  Singular curves on K3 surfaces and hyperkaehler manifolds
- Place of Presentation
  Mathematisches Forschungsinstitut Oberwolfach (Oberwolfach, Germany)
- Year and Date
  2015-11-09
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] Gorenstein Q-homology projective planes2015
- Author(s)
  H. Ohashi
- Organizer
  Geometry and Analysis
- Place of Presentation
  東京理科大学(千葉県野田市）
- Year and Date
  2015-05-15
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] エンリケス曲面の自己同型について2015
- Author(s)
  大橋久範
- Organizer
  代数学シンポジウム
- Place of Presentation
  静岡大学（静岡県静岡市）
- Year and Date
  2015-09-01
- Invited
- Data Source
  KAKENHI-PROJECT-15K17521
[Presentation] エンリケス曲面の自己同型について,2015
- Author(s)
  H. Ohashi
- Organizer
  代数学シンポジウム
- Place of Presentation
  静岡大学(静岡県静岡市）
- Year and Date
  2015-09-01
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] Non-semi-symplectic automorphisms of Enriques surfaces2014
- Author(s)
  大橋久範
- Organizer
  第七回代数曲面ワークショップat 秋葉原
- Place of Presentation
  首都大学東京　秋葉原サテライトキャンパス
- Year and Date
  2014-07-19
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] K3 曲面の自己同型とMathieu 群についてのサーベイ2014
- Author(s)
  大橋久範
- Organizer
  マシュームーンシャインに関する勉強会
- Place of Presentation
  東京大学玉原国際セミナーハウス
- Year and Date
  2014-08-26
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] The automorphism groups of Enriques surfaces covered by symmetric quartic surfaces,2014
- Author(s)
  大橋久範
- Organizer
  K3, Enriques surfaces and related topics
- Place of Presentation
  名古屋大学
- Year and Date
  2014-11-10
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] (Non-)semi-symplectic automorphisms of Enriques surfaces2014
- Author(s)
  H. Ohashi
- Organizer
  射影多様体の幾何とその周辺2014
- Place of Presentation
  高知大学朝倉キャンパス（高知県）
- Year and Date
  2014-11-02
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Finite groups of Enriques surfaces and the Mathieu group M12,2014
- Author(s)
  大橋久範
- Organizer
  String, lattice and moonshine
- Place of Presentation
  立教大学
- Year and Date
  2014-12-04
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] The automorphism groups of the Enriques surfaces covered by some symmetric quartic K32014
- Author(s)
  Hisanori Ohashi
- Organizer
  Moduli and self-maps
- Place of Presentation
  京都大学
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] (Non-)semi-symplectic automorphisms of Enriques surfaces2014
- Author(s)
  大橋久範
- Organizer
  射影多様体の幾何とその周辺
- Place of Presentation
  高知大学
- Year and Date
  2014-11-02
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] The automorphism groups of Enriques surfaces covered by symmetric quartic surfaces2014
- Author(s)
  H. Ohashi
- Organizer
  K3, Enriques surfaces and related topics
- Place of Presentation
  名古屋大学東山キャンパス（愛知県）
- Year and Date
  2014-11-10
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Non-semi-symplectic automorphisms of Enriques surfaces2014
- Author(s)
  大橋久範
- Organizer
  第八回玉原特殊多様体研究集会
- Place of Presentation
  東京大学玉原国際セミナーハウス
- Year and Date
  2014-09-18
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] Finite groups of Enriques surfaces and the Mathieu group M122014
- Author(s)
  H. Ohashi
- Organizer
  String, lattice and moonshine
- Place of Presentation
  立教大学池袋キャンパス（東京都）
- Year and Date
  2014-12-04
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Non-semi-symplectic automorphisms of Enriques surfaces2014
- Author(s)
  大橋久範
- Organizer
  第二回K3 曲面・エンリケス曲面ワークショップ
- Place of Presentation
  旭川市大雪クリスタルホール
- Year and Date
  2014-08-30
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] Non-semi-symplectic automorphisms of Enriques surfaces2014
- Author(s)
  H. Ohashi
- Organizer
  第七回代数曲面ワークショップat秋葉原
- Place of Presentation
  首都大学東京秋葉原サテライトキャンパス（東京都）
- Year and Date
  2014-07-19
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Non-semi-symplectic automorphisms of Enriques surfaces2014
- Author(s)
  H. Ohashi
- Organizer
  第二回K3 曲面・エンリケス曲面ワークショップ
- Place of Presentation
  旭川市大雪クリスタルホール（北海道）
- Year and Date
  2014-08-30
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] 4 次対称K3 曲面から決まるエンリケス曲面の自己同型群の決定2014
- Author(s)
  大橋久範
- Organizer
  日本数学会
- Place of Presentation
  学習院大学
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Non-semi-symplectic automorphisms of Enriques surfaces2014
- Author(s)
  大橋久範
- Organizer
  Mini-workshop on Calabi-Yau varienties: Arithmetic Geometry and Physics
- Place of Presentation
  津田塾大学
- Year and Date
  2014-08-07
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] K3 曲面の自己同型とMathieu 群についてのサーベイ2014
- Author(s)
  H. Ohashi
- Organizer
  マシュームーンシャインに関する勉強会
- Place of Presentation
  東京大学玉原国際セミナーハウス（群馬県）
- Year and Date
  2014-08-26
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Non-semi-symplectic automorphisms of Enriques surfaces2014
- Author(s)
  H. Ohashi
- Organizer
  Mini-workshop on Calabi-Yau
- Place of Presentation
  津田塾大学小平キャンパス（東京都）
- Year and Date
  2014-08-07
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Non-semi-symplectic automorphisms of Enriques surfaces2014
- Author(s)
  H. Ohashi
- Organizer
  第八回玉原特殊多様体研究集会
- Place of Presentation
  東京大学玉原国際セミナーハウス（群馬県）
- Year and Date
  2014-09-18
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] 複素K3 曲面の変形とモジュライと自己同型について2013
- Author(s)
  大橋久範
- Organizer
  K3 曲面・エンリケス曲面ワークショップ
- Place of Presentation
  北海道教育大学　札幌駅前サテライト
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] On automorphisms of Enriques surfaces2013
- Author(s)
  H. Ohashi
- Organizer
  Arithmetic and Algebraic Geometry 2013
- Place of Presentation
  東京大学
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] On some lattice of interest related to the prime eleven2013
- Author(s)
  大橋久範
- Organizer
  玉原特殊多様体研究集会
- Place of Presentation
  東大玉原国際セミナーハウス
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] The rationality of moduli spaces of Eisenstein K3 surfaces2013
- Author(s)
  H. Ohashi
- Organizer
  New trends s in Arithmetic and Geometry of Algebraic Surfaces
- Place of Presentation
  CIRM（フランス）
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Integral points of some elliptic curve via the binary Golay code2013
- Author(s)
  Hisanori Ohashi
- Organizer
  Beyond the moonshine
- Place of Presentation
  ホテル華の湯
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] K3 曲面やエンリケス曲面の有限対称性の分類2012
- Author(s)
  大橋久範
- Organizer
  代数幾何講演会
- Place of Presentation
  埼玉大学
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Log del Pezzo surfaces of index three with multiple smooth divisors2012
- Author(s)
  大橋久範
- Organizer
  第９回アフィン代数幾何学研究集会(招待講演)
- Place of Presentation
  関西学院大学大阪梅田キャンパス
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Automorphisms of the octahedral Enriques surface2012
- Author(s)
  大橋久範
- Organizer
  高次元代数幾何の周辺
- Place of Presentation
  京都大学
- Invited
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] On automorphism groups of Enriques surfaces2011
- Author(s)
  大橋久範
- Organizer
  城崎代数幾何学シンポジウム(招待講演)
- Place of Presentation
  兵庫県豊岡市
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] On automorphism groups of Enriques surfaces2011
- Author(s)
  大橋久範
- Organizer
  代数幾何ワークショップ2011(招待講演)
- Place of Presentation
  法政大学
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] On automorphisms of Enriques surfaces2011
- Author(s)
  大橋久範
- Organizer
  Workshop on Arithmetic and Geometry of K3　surfaces and Calabi-Yau threefolds(招待講演)
- Place of Presentation
  フィールズ研究所（カナダ）
- Data Source
  KAKENHI-PROJECT-23740010
[Presentation] Integral sections of some elliptic K3 surface via the binary Golay code2010
- Author(s)
  大橋久範
- Organizer
  Geometry of lattices and infinite dimensional Lie algebras
- Place of Presentation
  IPMU (東京大学)
- Year and Date
  2010-03-18
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] On the MWL of some elliptic K3 surface in char. 112010
- Author(s)
  大橋久範
- Organizer
  第2回GCOE若手数学者交流会
- Place of Presentation
  京都大学
- Year and Date
  2010-02-22
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] K3 surfaces and log del Pezzo surfaces of index three2010
- Author(s)
  大橋久範
- Organizer
  射影多様体の幾何とその周辺
- Place of Presentation
  高知大学
- Year and Date
  2010-11-05
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] K3 surfaces and log del Pezzo surfaces of index three2010
- Author(s)
  Hisanori Ohashi
- Organizer
  V Iberoamerican Congress of Geometry
- Place of Presentation
  Pucon, Chile(招待講演)
- Year and Date
  2010-12-11
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] ある楕円K3曲面の整切断とbinary Golay codeについて2010
- Author(s)
  大橋久範
- Organizer
  日本数学会
- Place of Presentation
  慶応大学
- Year and Date
  2010-03-24
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Integral sections of some elliptic K3 surface via the binary Golay code2010
- Author(s)
  大橋久範
- Organizer
  Geometry of lattices and infinite dimensional Lie algebras
- Place of Presentation
  IPMU
- Year and Date
  2010-03-18
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] ヤコビアンクンマー曲面のHW対合の退化とComessattiアーベル曲面の対応2010
- Author(s)
  大橋久範
- Organizer
  日本数学会
- Place of Presentation
  名古屋大学
- Year and Date
  2010-09-24
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Integral sections of some elliptic K3 surface via the binary Golay code2010
- Author(s)
  大橋久範
- Organizer
  関西代数幾何セミナー
- Place of Presentation
  奈良女子大学
- Year and Date
  2010-01-22
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] K3 surfaces and log del Pezzo surfaces of index three2010
- Author(s)
  大橋久範
- Organizer
  射影多様体の幾何とその周辺
- Place of Presentation
  高知大学(招待講演)
- Year and Date
  2010-11-05
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] On the MWL of some elliptic K3 surface in char. 112010
- Author(s)
  大橋久範
- Organizer
  第2回GCOE若手数学者交流会
- Place of Presentation
  芝蘭会館
- Year and Date
  2010-02-22
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Integral sections of some elliptic K3 surface via the binary Golay code2010
- Author(s)
  Hisanori Ohashi
- Organizer
  Lattices Reflection groups and Algebraic Geometry
- Place of Presentation
  Nagoya University(招待講演)
- Year and Date
  2010-11-26
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Integral sections of some elliptic K3 surface via the binary Golay code2010
- Author(s)
  大橋久範
- Organizer
  Algebraic Geometry in Characteristic p and Related Topics
- Place of Presentation
  東京大学
- Year and Date
  2010-02-19
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] K3 surfaces and log del Pezzo surfaces of index three2010
- Author(s)
  大橋久範
- Organizer
  V Iberoamerican Congress on Geometry
- Place of Presentation
  Universidad de la frontera sede Pucon
- Year and Date
  2010-12-11
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Integral sections of some elliptic K3 surface via the binary Golay code, Lattices2010
- Author(s)
  大橋久範
- Organizer
  reflection groups and Algebraic Geometry
- Place of Presentation
  名古屋大学
- Year and Date
  2010-11-26
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] ある楕円K3曲面の整切断と binary Golay code について2010
- Author(s)
  大橋久範
- Organizer
  日本数学会
- Place of Presentation
  慶慮大学
- Year and Date
  2010-03-24
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Integral sections of some elliptic K3 surface via the binary Golay code2010
- Author(s)
  大橋久範
- Organizer
  Algebraic geometry in Characteristic p and related topics
- Place of Presentation
  東京大学
- Year and Date
  2010-02-19
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] On the Mordell-Weil lattice of some elliptic supersingular K3 surface in characteristic eleven2009
- Author(s)
  大橋久範
- Organizer
  代数幾何セミナー
- Place of Presentation
  名古屋大学
- Year and Date
  2009-11-30
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Integral points of some elliptic curve through the Niemeier lattices2009
- Author(s)
  大橋久範
- Organizer
  第七回代数曲線論シンポジウム
- Place of Presentation
  横浜国立大学サテライトキャンパス
- Year and Date
  2009-12-05
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] The Mordell-Weil lattice of an elliptic supersingular K3 surface in characteristic eleven2009
- Author(s)
  大橋久範
- Organizer
  K3, Enriques and special surfaces
- Place of Presentation
  立教大学
- Year and Date
  2009-09-02
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Enriques surfaces covered by a fixed K3 surface, Berlin Mathematical Society Summer School and Conference2009
- Author(s)
  大橋久範
- Organizer
  Moduli 2009
- Place of Presentation
  Humboldt-Universitaet zu Berlin
- Year and Date
  2009-08-23
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] On the MWL of some elliptic K3 surface in characteristic eleven2009
- Author(s)
  大橋久範
- Organizer
  代数幾何学シンポジウム
- Place of Presentation
  兵庫県豊岡市城崎
- Year and Date
  2009-10-28
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Enriques surfaces covered by a fixed K3 surface2009
- Author(s)
  大橋久範
- Organizer
  BMS summer school 2009
- Place of Presentation
  フンボルト大学 (ドイツ)
- Year and Date
  2009-08-23
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] The Mordell-Weil lattice of an elliptic supersingular K3 surface in characteristic eleven2009
- Author(s)
  大橋久範
- Organizer
  K3, Enriques and Special Surfaces
- Place of Presentation
  立教大学
- Year and Date
  2009-09-02
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] A Mordell-Weil lattice in characteristic eleven, Category Theory2009
- Author(s)
  大橋久範
- Organizer
  Computer Science and Topology
- Place of Presentation
  信州大学
- Year and Date
  2009-10-17
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Integral sections of some elliptic K3 surface via the binary Golay code2009
- Author(s)
  大橋久範
- Organizer
  高次元代数幾何の周辺
- Place of Presentation
  京都大学
- Year and Date
  2009-12-14
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] A Mordell-Weil lattice in characteristic eleven2009
- Author(s)
  大橋久範
- Organizer
  Category theory, computer science, and topology
- Place of Presentation
  信州大学
- Year and Date
  2009-10-17
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Integral points of some elliptic curve through the Niemeier lattices2009
- Author(s)
  大橋久範
- Organizer
  第七回代数曲線論シンポジウム
- Place of Presentation
  横浜ランドマークタワー18階横浜国立大学サテライトキャンパス
- Year and Date
  2009-12-05
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] Integral sections of some elliptic K3 surface and the binary Golay code2009
- Author(s)
  大橋久範
- Organizer
  高次元代数幾何の周辺
- Place of Presentation
  京都大学
- Year and Date
  2009-12-14
- Data Source
  KAKENHI-PROJECT-21840031
[Presentation] On some lattice of interest related to the prime eleven
- Author(s)
  Hisanori Ohashi
- Organizer
  玉原特殊多様体研究集会
- Place of Presentation
  東大玉原国際セミナーハウス
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] The automorphism groups of the Enriques surfaces covered by some symmetric quartic K3 surfa
- Author(s)
  Hisanori Ohashi
- Organizer
  Moduli spaces and self-maps
- Place of Presentation
  京都大学数理解析研究所
- Invited
- Data Source
  KAKENHI-PROJECT-25220701
[Presentation] Integral points of some elliptic curve via the binary Golay code
- Author(s)
  Hisanori Ohashi
- Organizer
  Beyond the moonshine
- Place of Presentation
  ホテル華の湯（仙台）
- Invited
- Data Source
  KAKENHI-PROJECT-25220701

1. MUKAI Shigeru (80115641)

# of Collaborated Projects: 2 results

# of Collaborated Products: 3 results
2. NAKAYAMA Noboru (10189079)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. Ma Shohei (80633255)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
4. KONDO Shigeyuki (50186847)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. MORI Shigefumi (00093328)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. IDE Manabu (90367582)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. TAKAGI Hiromichi (30322150)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. Saito Sachiko (40260400)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. Taki Shingo (30609714)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. UEDA Tetsuo (10127053)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. NAMIKAWA Yoshinori (80228080)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. KAWAGUCHI Shu (20324600)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. ABE Takeshi (90362409)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. NASU Hirokazu (30535331)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 中島啓 (00201666)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 吉川謙一 (20242810)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 小木曽啓示 (40224133)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 森脇淳 (70191062)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 宍倉光広 (70192606)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. SANNAI Akiyoshi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. WANDEL Marte

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. KIM Kyounghee

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. DOLGACHEV Igor

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. ALLCOCK Daniel

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. HEDEN Isac

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Ohashi Hisanori 大橋 久範

OHASHI Hisanori 大橋 久範

Research Projects

Research Products

Co-Researchers

Structural study of automorphisms of Enriques surfacesPrincipal Investigator

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Finite groups in the theory of K3 surfacesPrincipal Investigator

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Real K3 surfaces with non-symplectic holomorphic involutions and their degenerations

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Moduli spaces of algebraic varieties and self-morphisms

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Automorphisms of algebraic surfaces and its applicationsPrincipal Investigator

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Moduli theoretic study of Fano varieties and Enriques surfaces

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K3 and Enriques surfaces from the viewpoint of automorphismsPrincipal Investigator

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[Journal Article] サレム数とK3曲面の自己同型2018

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[Journal Article] On automorphisms of Enriques surfaces and their entropy2018

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[Journal Article] Rationality of the moduli spaces of Eisenstein K3 surfaces2015

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[Journal Article] The automorphism groups of Enriques surfaces covered by symmetric quartic surfaces2015

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[Journal Article] Gorenstein Q-homology projective planes2015

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[Journal Article] The automorphism Groups of Enriques surfaces covered by symmetric quartic surfaces2014

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[Journal Article] Classification of involutions on Enriques surfaces2014

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[Journal Article] Enriques surfaces of Hutchinson-Gopel type and Mathieu automorphisms,"Arithmetic and Geometry of K3 surfaces and Calabi-Yau Threefoolds"(eds. Mschutt, R. Laza and N. Yui)2013

Author(s)

Ohashi Hisanori 大橋久範

OHASHI Hisanori 大橋久範