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SAITO Sachiko  齋藤 幸子

ORCIDConnect your ORCID iD *help
… Alternative Names

齋藤 幸子  サイトウ サチコ

斉藤 幸子  サイトウ サチコ

松岡 幸子  マツオカ サチコ

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Researcher Number 40260400
Other IDs
External Links
Affiliation (Current) 2025: 北海道教育大学, 教育学部, 教授
Affiliation (based on the past Project Information) *help 2017 – 2018: 北海道教育大学, 教育学部, 准教授
2013 – 2015: 北海道教育大学, 教育学部, 准教授
2013: 北海道教育大学, 旭川校, 准教授
1997: 北教大, 教育学部, 助教授
1996: 北海道教育大学, 教育学部・函館校, 助教授
1994: 北海道教育大学, 教育学部・函館校, 講師
Review Section/Research Field
Principal Investigator
Geometry / Algebra
Except Principal Investigator
Geometry / Global analysis
Keywords
Principal Investigator
格子 / K3曲面 / 対合 / 実代数曲線 / 反シンプレクティック対合 / marking / isotopy型 / anti-bicanonical曲線 / Hirzebruch曲面 / モジュライ空間 … More / 非ハウスドルフ / 退化 / (-2)ベクトル / モジュライ / 周期領域 / 反シンプレクティック正則対合 / エンリケス曲面 / Viro / Nikulin / bidegree / 4次元多様体 / complex orientation / Nikulin理論 … More
Except Principal Investigator
特異制御 / 幾何学的解 / ニュートラル計量 / 拘束ハミルトン系 / 幾何構造 / 接触構造 / 双対性 / ジェネリック幾何 / 特異点の実形 / 錐構造 / 幾何学的制御理論 / 写像の特異点 / フロンタル安定性 / 特異点の認識問題 / G2接触構造 / コフロンタル / (2,3,5)分布 / 分岐加群 / 開化 / 特異点のロバスト性 / 特異点の安定性 / 接線曲面 / ラグランジュ錐構造 / フロンタル / sub-front / Carnot-Caratheodory metric / sub-Finsler structure / tangent map / frontal map / versal opening / normal form / singular trajectory / Cartan structure / tangent variety / open Scherbak surface / open folded pleat / open swallowrtail / opening / sub-Riemann metric / null-frontal / D-singularity theory / conical control system / totally singular curve / triality / Cartan's G2-geometry / hyperfield / open Scherback surface / open Mond surface / open swallowtail / opening construction / tangent surface Less
  • Research Projects

    (6 results)
  • Research Products

    (4 results)
  • Co-Researchers

    (16 People)
  •  Developments and applications of geometric singularity theory

    • Principal Investigator
      Goo Ishikawa
    • Project Period (FY)
      2015 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Hokkaido University
  •  Real K3 surfaces with non-symplectic holomorphic involutions and their degenerationsPrincipal Investigator

    • 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
  •  The synthetic study by real algebraic geometry, from sub-Riemannian geometry to tropical geometry

    • Principal Investigator
      GOO Ishikawa
    • Project Period (FY)
      2010 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Global analysis
    • Research Institution
      Hokkaido University
  •  実代数多様体の変形と条件付き対合付き格子Principal Investigator

    • Principal Investigator
      斉藤 幸子
    • Project Period (FY)
      1997
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Geometry
    • Research Institution
      Hokkaido University of Education
  •  実多項式で定義される複素曲面とその実部との相対位相型Principal Investigator

    • Principal Investigator
      齋藤 幸子
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Geometry
    • Research Institution
      Hokkaido University of Education
  •  実代数曲線の位相的性質と、対合をもつ格子の不変量との間に対応についてPrincipal Investigator

    • Principal Investigator
      松岡 幸子
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Geometry
    • Research Institution
      Hokkaido University of Education

All 2015 Other

All Journal Article Presentation

  • [Journal Article] On real anti-bicanonical curves with one double point on the 4-th real Hirzebruch surface2015

    • Author(s)
      Sachiko Saito
    • Journal Title

      Journal of Singularities

      Volume: 11 Pages: 1-32

    • DOI

      10.5427/jsing.2015.11a

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-25610001
  • [Presentation] 実K3曲面の分類に関する諸問題(1)(2)2015

    • Author(s)
      齋藤幸子
    • Organizer
      第3回 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
    • Year and Date
      2015-08-20
    • Data Source
      KAKENHI-PROJECT-25610001
  • [Presentation] Nikulin, "Involutions of integral quadratic forms and thier applecations to real algebraic geometry", Math.USSR Izv. 22 (1984) の主結果について

    • Author(s)
      齋藤幸子
    • 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
    • Data Source
      KAKENHI-PROJECT-25610001
  • [Presentation] 実エンリケス曲面のモジュライの連結成分と対合付き格子の同型類の対応(Degtyarev, Itenberg, Kharlamovの結果)

    • Author(s)
      齋藤幸子
    • 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
    • Data Source
      KAKENHI-PROJECT-25610001
  • 1.  GOO Ishikawa (50176161)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 2.  MACHIDA Yoshinori (90141895)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 3.  TAKAHASHI Masatomo (80431302)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 4.  KITAGAWA Yumiko (40403323)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 5.  YAMAGUCHI Keizo (00113639)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  IZUMIYA Shyuichi (80127422)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  SAITO Mutsumi (70215565)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  TANABE Susumu (90432997)
    # 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.  Ohashi Hisanori (40547006)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  Ma Shohei (80633255)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  澁谷 一博 (00569832)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  佐治 健太郎 (70451432)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  大本 亨 (20264400)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  三松 佳彦 (70190725)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  Janeczko Stanislaw
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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