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EBIHARA Madoka  海老原 円

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… Alternative Names

海老原 円  エビハラ マドカ

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Researcher Number 80213578
Affiliation (Current) 2025: 埼玉大学, 理工学研究科, 准教授
Affiliation (based on the past Project Information) *help 2010: 埼玉大学, 大学院・理工学研究科, 講師
2008: 埼玉大学, 大学院・理工学研究科, 講師
2006: Saitama University, Graduate School of Engineering and Science, Lecturer, 大学院理工学研究科, 講師
2002 – 2005: 埼玉大学, 理学部, 講師
2000: Saitama University, Dept. of Math., Lecturer, 理学部, 講師
1996 – 1998: 埼玉大学, 理学部, 講師
1993: 学習院大学, 理学部, 助手
Review Section/Research Field
Principal Investigator
Algebra
Except Principal Investigator
Algebra / Algebra / Geometry
Keywords
Principal Investigator
2次曲線束 / 代数多様体の変形 / 法束 / 形式的近傍 / トーリック曲面 / 単有理性
Except Principal Investigator
平面曲線 / 特異点 / plane curve / 有理関数 … More / クレモナ変換 / ゴナリティ / 巡回被覆 / 有理尖点曲線 / Cremona transformation / gonality / singularity / 対数的小平次元 / Dirac operator / chiral anomaly / twistor space / Spin^q / Spin / 断熱変換 / カイラル / カイラルギャップ / スーパートレース / 断熱 / 断熱展開 / トウィスター / ディラック / ディラック作用素 / カイラルアノマリー / トウィスター空間 / 四元数スピン / スピン / Discriminant / Algebraic number field / Discontinuous group / Number theory / 判別式 / 代数体 / 不連続群 / 数論 / maximal multiplicity / projective equivalence / place at infinity / quadratic transformation / multiplicity sequence / cuspidal curve / rational curve / 変形 / 代数曲面 / 重複度 / 特異点解消 / 環と体 / 重複度列 / 2次変換 / 尖点 / 有理曲線 / 総ミルナー数 / 有理関数体 / 代数曲線 / 変曲点 / セクスタクティック点 / 自己同型群 / 分岐点 / ワイエルシュトラス点 / 代数幾何 / 有限群 / 半整数9重さ9モジュラ形式 / ヤュビ形式 / ヤコビ形式 / ゼータ関数 / ジーゲルモジュラ形式 / 半整数の重さのモジュラ形式 / モジュラ形式 / 保型形式 / 双対曲線 Less
  • Research Projects

    (9 results)
  • Research Products

    (1 results)
  • Co-Researchers

    (19 People)
  •  On rational functions and singularities of plane algebraic curves

    • Principal Investigator
      SAKAI Fumio
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Saitama University
  •  An arithmetic study of modular forms of half integral weight and Siegel modular forms

    • Principal Investigator
      KOJIMA Hisashi
    • Project Period (FY)
      2006 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Saitama University
  •  Geometry of plane algebraic curves

    • Principal Investigator
      SAKAI Fumio
    • Project Period (FY)
      2003 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Saitama University
  •  Study on the arithmetic discontinuous groups

    • Principal Investigator
      TAKEUCHI Kisao
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Saitama University
  •  Study on the anomaly of Spin^q manifolds

    • Principal Investigator
      NAGASE Masayoshi
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Saitama University
  •  数式処理による平面曲線の研究

    • Principal Investigator
      SAKAI Fumio
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      Algebra
    • Research Institution
      Saitama University
  •  Algebraic Geometry of Plane Curves

    • Principal Investigator
      SAKAI Fumio
    • Project Period (FY)
      1997 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (B).
    • Research Field
      Algebra
    • Research Institution
      Saitama University
  •  代数多様体の構造の研究Principal Investigator

    • Principal Investigator
      海老原 円
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Algebra
    • Research Institution
      Saitama University
  •  代数多様体の構造の研究Principal Investigator

    • Principal Investigator
      海老原 円
    • Project Period (FY)
      1993
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Algebra
    • Research Institution
      Gakushuin University

All 2003

All Journal Article

  • [Journal Article] Conic Bundleの変形について2003

    • Author(s)
      海老原 円
    • Journal Title

      2002年度代数幾何学シンポジウム報告集

      Pages: 18-27

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14540008
  • 1.  SAKAI Fumio (40036596)
    # of Collaborated Projects: 8 results
    # of Collaborated Products: 0 results
  • 2.  FUKUI Toshizumi (90218892)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 0 results
  • 3.  SATOH Takakazu (70215797)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 4.  SAKAMATO Kunio (70089829)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 5.  KOJIMA Hisashi (90146118)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 6.  MIZUTANI Tadayoshi (20080492)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 7.  TAKAUCHI Kisao (00011560)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 8.  KOIKE Shigeaki (90205295)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 9.  NAGASAWA Takeyoki (70202223)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 10.  SHIMOKAWA Koya (60312633)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 11.  YANO Tamaki (10111410)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 12.  NAGASE Masayoshi (30175509)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 13.  ARAI Michio (40008850)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 14.  OHTA Masahito (00291394)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  TONO Keita (30422215)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  GON Yasuro (30302508)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  OKUMURA Masafumi (60016053)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  江頭 信二 (00261876)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  岸本 崇 (20372576)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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