• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Ishikawa Masaharu  石川 昌治

ORCIDConnect your ORCID iD *help
… Alternative Names

ISHIKAWA Masaharu  石川 昌治

Less
Researcher Number 10361784
Other IDs
Affiliation (Current) 2022: 慶應義塾大学, 経済学部(日吉), 教授
Affiliation (based on the past Project Information) *help 2018 – 2021: 慶應義塾大学, 経済学部(日吉), 教授
2019: 東北大学, 理学研究科, 准教授
2016 – 2017: 東北大学, 理学研究科, 准教授
2015: 東北大学, 大学院理学研究科, 准教授
2012 – 2015: 東北大学, 理学(系)研究科(研究院), 准教授 … More
2008 – 2012: Tohoku University, 大学院・理学研究科, 准教授
2007: Tokyo Institute of Technology, 大学院・理工学研究科, 助教
2005 – 2006: 東京工業大学, 大学院理工学研究科, 助手
2003 – 2005: 東京工業大学, 大学院・理工学研究科, 助手 Less
Review Section/Research Field
Principal Investigator
Geometry / Basic Section 11020:Geometry-related
Except Principal Investigator
Geometry / Geometry
Keywords
Principal Investigator
特異点 / 接触構造 / オープンブック分解 / ファイバー結び目 / Stein fillable / 特異点論 / 結び目理論 / 低次元トポロジー / 3次元多様体論 / 安定写像 … More / 多面体 / Stein fillabale / オーブンブック分解 / 3次元多様体 / Divide / 結び目論理 / 3次元多様体論 / ミルナー束 / 特異点の変形 / ハンドル分解 / 混合多項式 / shadow / Gromov norm / トーリック型コンパクト化 / 幾何学 / 3次元多様体 / 4次元多様体 … More
Except Principal Investigator
特異点 / 特異ファイバー / 安定写像 / Reidemeister torsion / 同境群 / データ可視化 / 不変量 / 特異Lefschetz束 / 微分位相幾何 / 幾何的トポロジー / 特異点の変形 / 混合多項式 / 複素特異点 / 結び目 / 3次元多様体 / 色付きJones多項式 / 体積予想 / 量子不変量 / Chern-Simons不変量 / torus結び目 / 体積 / Jones多項式 / Alexander多項式 / トーラス結び目 / 8の字結び目 / Dehn手術 / knot / 3-mainfold / colored Jones polynomial / volume conjecture / quantum invariant / Chern-Simons invariant / 多項式写像芽 / 特異点消去 / 埋め込み / はめ込み / 可微分写像 / 構造安定性 / 実多項式写像芽 / 配置空間 / 国際研究者交流 / ブラジル:フランス / 同境 / 特異性類 / 特異点解消 / 特性類 / フランス:ドイツ:ブラジル / フランス:ドイツ:ベトナム:ブラジル / 2橋結び目 / クライン群 / 双曲構造 / ヘガード分解 / 写像類群 / 双曲結び目 / 放物変換 / 測地線 / Heckoid群 / 放物的変換 / monodromy group / spatial deformation group / 穴あきトーラス / 離散群 / デーン手術 / CAT(0)空間 / シンメトリー群 / 自由周期 / アキラル / 解消トンネル / 自由周期結び目 / Hopfian群 / 交代結び目 / 強可逆結び目 / ザイフェルト曲面 / 橋分解 / モノドロミー群 / 2橋絡み目 / 放物的生成系 / 交代絡み目 / 低次元トポロジー / 産業数学 / Vassiliev型不変量 / 絡み数 / 符号数 / 相対的特性類 / 沈めこみ / 非特異ファイバー / 特異点集合 / 特異点論 / trisection / shadow / はめ込まれた曲面結び目 / 位相的複雑さ / 特異Lefschetz構造 / 多目的最適化 / 多様体対 / レフシェッツ束 Less
  • Research Projects

    (12 results)
  • Research Products

    (111 results)
  • Co-Researchers

    (33 People)
  •  多面体による写像の特異点および多様体の幾何構造の研究Principal Investigator

    • Principal Investigator
      石川 昌治
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 11020:Geometry-related
    • Research Institution
      Keio University
  •  Innovative research of geometric topology and singularities of differentiable mappings

    • Principal Investigator
      佐伯 修
    • Project Period (FY)
      2017 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (S)
    • Research Field
      Geometry
    • Research Institution
      Kyushu University
  •  Innovation of singularity theory of mappings and new development of topology

    • Principal Investigator
      佐伯 修
    • Project Period (FY)
      2017
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      Kyushu University
  •  Topological study of real singularities and manifolds using fibring structuresPrincipal Investigator

    • Principal Investigator
      ISHIKAWA Masaharu
    • Project Period (FY)
      2016 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Keio University
      Tohoku University
  •  Geometric structures and combinaorial structures of 3-manifolds

    • Principal Investigator
      Sakuma Makoto
    • Project Period (FY)
      2015 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Hiroshima University
  •  多項式写像および混合多項式写像の無限遠の特異点の位相的研究Host Researcher

    • Host Researcher
      石川 昌治
    • Project Period (FY)
      2013 – 2014
    • Research Category
      Grant-in-Aid for JSPS Fellows
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  Deformations of real singularities and decompositions of monodromiesPrincipal Investigator

    • Principal Investigator
      ISHIKAWA MASAHARU
    • Project Period (FY)
      2013 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  New developments of singularity theory of mappings

    • Principal Investigator
      SAEKI OSAMU
    • Project Period (FY)
      2011 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geometry
    • Research Institution
      Kyushu University
  •  Study on quasipositive surfaces in manifolds with contact structures and applications to complex singularity theoryPrincipal Investigator

    • Principal Investigator
      ISHIKAWA Masaharu
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
  •  Research on open book decompositions appearing on the boundary of complex domains with contact structuresPrincipal Investigator

    • Principal Investigator
      ISHIKAWA Masaharu
    • Project Period (FY)
      2007 – 2009
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Geometry
    • Research Institution
      Tohoku University
      Tokyo Institute of Technology
  •  平面曲線から構成される、多様体のオープンブック分解と接触構造に関する研究Principal Investigator

    • Principal Investigator
      石川 昌治
    • Project Period (FY)
      2004 – 2006
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Institute of Technology
  •  Various inbariants appearing in low-dimensional topology

    • Principal Investigator
      MURAKAMI Hitoshi
    • Project Period (FY)
      2003 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Institute of Technorogy

All 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2007 2006 2005 2004 Other

All Journal Article Presentation Book

  • [Book] Singularities ― Kagoshima 2017, Proceedings of the 5th Franco- Japanese-Vietnamese Symposium on Singularities2020

    • Author(s)
      Masaharu Ishikawa, Shoji Yokura (Editors-in-Chief)
    • Total Pages
      397
    • Publisher
      World Scientific Publishing
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Book] 曲空間の幾何学―古典幾何から初等微分幾何まで―2009

    • Author(s)
      P.M.H.ウィルソン著, 小島定吉監訳, 石川昌治訳
    • Total Pages
      216
    • Publisher
      朝倉書店
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Journal Article] S-stable foliations on flow-spines with transverse Reeb flow2021

    • Author(s)
      Shin Handa, Masaharu Ishikawa
    • Journal Title

      Hiroshima Mathematical Journal

      Volume: 51 Pages: 77-99

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Journal Article] Alternating knots with large boundary slope diameter2020

    • Author(s)
      Masaharu Ishikawa, Thomas W. Mattman, Kazuya Namiki, Koya Shimokawa
    • Journal Title

      Contemporary Mathematics

      Volume: 760 Pages: 207-216

    • DOI

      10.1090/conm/760/15292

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Journal Article] Milnor fibration, A'Campo's divide and Turaev's shadow2020

    • Author(s)
      Masaharu Ishikawa, Hironobu Naoe
    • Journal Title

      Proceedings of FJV2017 Kagoshima: "Singularities --- Kagoshima".

      Volume: -

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Journal Article] Milnor fibration, A'Campo's divide and Turaev's shadow2020

    • Author(s)
      Masaharu Ishikawa, Hironobu Naoe
    • Journal Title

      Singularities ― Kagoshima 2017, Proceedings of the 5th Franco- Japanese-Vietnamese Symposium on Singularities, World Scientific Publishing

      Volume: - Pages: 95-116

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Journal Article] アワビとザイフェルト束の横断性について2020

    • Author(s)
      石川昌治
    • Journal Title

      Hakone Seminar

      Volume: 35 Pages: 9-30

    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Journal Article] Milnor fibration, A'Campo's divide and Turaev's shadow2019

    • Author(s)
      Masaharu Ishikawa, Hironobu Naoe
    • Journal Title

      Proceedings of FJV2017 Kagoshima: "Singularities --- Kagoshima"

      Volume: -

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Journal Article] Bifurcation sets of real polynomial functions of two variables and Newton polygons2019

    • Author(s)
      Masaharu Ishikawa, Tat-Thang Nguyen, Tien-Son Pham
    • Journal Title

      Journal of Mathematical Society of Japan

      Volume: 未定

    • NAID

      130007733324

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Journal Article] Bifurcation sets of real polynomial functions of two variables and Newton polygons2019

    • Author(s)
      石川昌治, Tat-Thang Nguyen, Tien-Son Pham
    • Journal Title

      J. Math. Soc. Japan

      Volume: 71 Issue: 4 Pages: 1201-1222

    • DOI

      10.2969/jmsj/80518051

    • NAID

      130007733324

    • ISSN
      0025-5645, 1881-1167, 1881-2333
    • Language
      English
    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03499, KAKENHI-PROJECT-17H06128
  • [Journal Article] Positive flow-spines and contact structures - a short summary2019

    • Author(s)
      石井一平,石川昌治,古宇田悠哉,直江央寛
    • Journal Title

      京都大学数理解析研究所講究録

      Volume: 2129 Pages: 34-40

    • Open Access
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Journal Article] Bifurcation sets of real polynomial functions of two variables and Newton polygons2019

    • Author(s)
      Masaharu Ishikawa, Tat-Thang Nguyen, Tien-Son Pham
    • Journal Title

      Journal of Mathematical Society of Japan

      Volume: -

    • NAID

      130007733324

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Journal Article] 3次元多様体の接触構造とフロースパイン2019

    • Author(s)
      石川昌治
    • Journal Title

      Hakone Seminar

      Volume: 34 Pages: 7-31

    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Journal Article] 3次元多様体の接触構造とフロースパイン2019

    • Author(s)
      石川昌治
    • Journal Title

      Hakone Seminar

      Volume: 34 Pages: 7-31

    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Journal Article] On Innermost Circles of the Sets of Singular Values for Generic Deformations of Isolated Singularities2017

    • Author(s)
      Kazumasa Inaba, Masaharu Ishikawa, Masayuki Kawashima, Nguyen Tat Thang
    • Journal Title

      Acta Mathematica Vietnamica

      Volume: 42 Pages: 237-247

    • DOI

      10.1007/s40306-016-0200-1

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Journal Article] Virtual unknotting numbers of certain virtual torus knots2017

    • Author(s)
      Masaharu Ishikawa, Hirokazu Yanagi
    • Journal Title

      Journal of Knot Theory and Its Ramifications 26

      Volume: 26 Pages: 1750070-1750070

    • DOI

      10.1142/s0218216517500705

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Journal Article] On linear deformations of Brieskorn singularities of two variables into generic maps2016

    • Author(s)
      稲葉 和正,石川 昌治,川島 正行,Nguyen Tat Thang
    • Journal Title

      Tohoku Mathematical Journal

      Volume: 掲載確定

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25400078
  • [Journal Article] Construction of spines of two-bridge link complements and upper bounds of their Matveev complexities2016

    • Author(s)
      石川 昌治,根本 啓介
    • Journal Title

      Hiroshima Mathematical Journal

      Volume: 掲載確定

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-25400078
  • [Journal Article] Stable maps and branched shadows of 3-manifolds2016

    • Author(s)
      石川 昌治,古宇田 悠哉
    • Journal Title

      Mathematische Annalen

      Volume: 掲載確定

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-25400078
  • [Journal Article] A note on linear deformations of plane curve singularities2015

    • Author(s)
      稲葉 和正,石川 昌治,川島 正行,Nguyen Tat Thang
    • Journal Title

      数理解析研究所講究録

      Volume: 1948 Pages: 77-84

    • Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25400078
  • [Journal Article] Tangle sums, norm curves, and cyclic surgeries2013

    • Author(s)
      Masaharu Ishikawa, Thomas W. Mattman, Koya Shimokawa
    • Journal Title

      Proceedings of the June 2012 RIMS Seminar "Representation spaces, twisted topological invariants and geometric structures of 3-manifolds."

      Volume: 未定 Pages: 18-33

    • Data Source
      KAKENHI-PROJECT-22740032
  • [Journal Article] Compatible contact structures of fibered Seifert links in homology 3-spheres2012

    • Author(s)
      Masaharu Ishikawa
    • Journal Title

      Tohoku Mathematical Journal

      Volume: 64 Pages: 25-59

    • NAID

      130005128508

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Journal Article] Legendrian framings for two-bridge links2011

    • Author(s)
      Sebastian Baader, Masaharu Ishikawa
    • Journal Title

      Proceedings of American Mathematical Society

      Volume: 139 Pages: 4513-4520

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Journal Article] Finite surgeries on three-tangle pretzel knots2009

    • Author(s)
      D.Futer, M.Ishikawa, Y.Kabaya, T.Mattman, K.Shimokawa
    • Journal Title

      Algebraic & Geometric Topology 9

      Pages: 743-771

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Journal Article] On the contact structure of a class of real analytic germs of the form $f\bar{g}$2009

    • Author(s)
      M.Ishikawa
    • Journal Title

      Advanced Studies in Pure Mathematics 56

      Pages: 201-223

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Journal Article] Legendrian graphs and quasipositive diagrams2009

    • Author(s)
      S.Baader, M.Ishikawa
    • Journal Title

      Annales de la Faculte des Sciences de Toulouse XVIII

      Pages: 285-305

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Journal Article] Legendrian graphs and quasipositive diagrams2009

    • Author(s)
      Sebastian Baader、石川昌治
    • Journal Title

      Annales de la Faculte des Sciences de Toulouse XVIII巻

      Pages: 285-305

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Journal Article] On the contact structure of a class of real analytic germs of the form f\bar g、Singularities-Niigata-Toyama 20072009

    • Author(s)
      石川昌治
    • Journal Title

      Advanced Studies in Pure Mathematics 56巻

      Pages: 201-223

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Journal Article] Finite surgeries on three-tangle pretzel knots2009

    • Author(s)
      David Futer、石川昌治、蒲谷祐一、Thomas Mattman、下川航也
    • Journal Title

      Algebraic & Geometric Topology 9巻

      Pages: 743-771

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Journal Article] Positive open book decompositions of Stein fillable 3-manifolds along prescribed links2006

    • Author(s)
      M.Ishikawa
    • Journal Title

      Topology 45

      Pages: 325-342

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15340019
  • [Journal Article] Positive open book decompositions of Stein fillable 3-manifolds along prescribed link2006

    • Author(s)
      M.Ishikawa
    • Journal Title

      Topology 45・2

      Pages: 325-342

    • Data Source
      KAKENHI-PROJECT-15340019
  • [Journal Article] Positive open book decompositions of Stein fillable 3-manifolds along prescribed links2006

    • Author(s)
      石川昌治
    • Journal Title

      Topology 45

      Pages: 325-342

    • Data Source
      KAKENHI-PROJECT-16740031
  • [Journal Article] Exceptional surgery and boundary slopes2006

    • Author(s)
      M.Ishikawa, T.Mattman, K.Shimokawa
    • Journal Title

      Osaka Journal of Mathematics 43

      Pages: 807-821

    • NAID

      120004845749

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15340019
  • [Journal Article] Exceptiona 1 surgery and boundary slopes2006

    • Author(s)
      M.Ishikawa, T.Mattman, K.Shimokawa
    • Journal Title

      Osaka Journal of Mathematics 43

      Pages: 807-821

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15340019
  • [Journal Article] On the Thurston-Bennequin invariant of graph divide links2005

    • Author(s)
      石川昌治
    • Journal Title

      Mathematical Proceedings of the Cambridge Philosophical Society 139

      Pages: 487-495

    • Data Source
      KAKENHI-PROJECT-16740031
  • [Journal Article] On the Thurston-Bennequin invariant of graph divide links2005

    • Author(s)
      M.Ishikawa
    • Journal Title

      Math.Proc.Camb.Phil.Soc. 139

      Pages: 487-495

    • Data Source
      KAKENHI-PROJECT-15340019
  • [Journal Article] On the Thurston-Bennequin in variant of graph divide links2005

    • Author(s)
      M.Ishikawa
    • Journal Title

      Math.Proc.Camb.Phil.Soc. (掲載予定)

    • Data Source
      KAKENHI-PROJECT-15340019
  • [Journal Article] On the Thurston-Bennequin invariant of graph divide links2005

    • Author(s)
      石川昌治
    • Journal Title

      Mathematical Proceedings of the Cambridge Philosophical Society (発表予定)

    • Data Source
      KAKENHI-PROJECT-16740031
  • [Journal Article] On topological types of reduced sextics2004

    • Author(s)
      石川昌治, T.C.Nguyen, 岡睦雄
    • Journal Title

      Kodai Mathematical Journal 27

      Pages: 237-260

    • NAID

      130003574463

    • Data Source
      KAKENHI-PROJECT-16740031
  • [Journal Article] Tangent circle bundles admit positive open book decompositions along arbitrary links2004

    • Author(s)
      M.Ishikawa
    • Journal Title

      Topology 43

      Pages: 215-232

    • Data Source
      KAKENHI-PROJECT-15340019
  • [Journal Article] On topological types of reduced sextics2004

    • Author(s)
      M.Ishikawa, T.C.Nguyen, M.Oka
    • Journal Title

      Kodai Math.J. 27・3

      Pages: 237-260

    • NAID

      130003574463

    • Data Source
      KAKENHI-PROJECT-15340019
  • [Journal Article] Tangent circle bundles admit positive open book decompositions along arbitrary links2004

    • Author(s)
      石川昌治
    • Journal Title

      Topology 43

      Pages: 215-232

    • Data Source
      KAKENHI-PROJECT-16740031
  • [Journal Article] Exceptional surgery and boundary slopes

    • Author(s)
      M.Ishikawa, T.W.Mattman, K.Shimokawa
    • Journal Title

      Osaka J.Math. (掲載予定)(決定)

    • NAID

      120004845749

    • Data Source
      KAKENHI-PROJECT-15340019
  • [Presentation] フロースパインと接触構造2020

    • Author(s)
      石川昌治
    • Organizer
      接触構造、特異点、微分方程式及びその周辺
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] フロースパインと接触構造2020

    • Author(s)
      石川昌治
    • Organizer
      接触構造、特異点、微分方程式及びその周辺
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Presentation] アワビとザイフェルト束の横断性について2020

    • Author(s)
      石川昌治
    • Organizer
      東北結び目セミナー2020
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Presentation] Abalone, Seifert fibration and coil surgery2019

    • Author(s)
      石川昌治
    • Organizer
      Geometric Topology of low dimensions
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] 3次元多様体の正フロースパインと接触構造2019

    • Author(s)
      石川昌治
    • Organizer
      談話会(埼玉大学)
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Presentation] Abalone, Seifert fibration and coil surgery2019

    • Author(s)
      石川昌治
    • Organizer
      Geometric Topology of Low Dimensions
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] アワビとホップ束について2019

    • Author(s)
      石川昌治
    • Organizer
      第42回箱根セミナ(2019)
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Presentation] Positive flow-spines and contact 3-manifolds2019

    • Author(s)
      石川昌治
    • Organizer
      Branched Coverings, Degenerations, and Related Topics 2019
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] 3次元多様体の正フロースパインと接触構造2019

    • Author(s)
      石川昌治
    • Organizer
      大阪大学トポロジーセミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Presentation] Shadow presentation of Milnor fibers2019

    • Author(s)
      石川昌治
    • Organizer
      Workshop on Topology of Singularities
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] Complexity of contact 3-manifolds2019

    • Author(s)
      石川昌治
    • Organizer
      Hyperplane arrangements and Japanese-Australian Workshop on Real and Complex Singularities
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Presentation] Complexity of contact 3-manifolds2019

    • Author(s)
      石川昌治
    • Organizer
      Hyperplane arrangements and Japanese-Australian Workshop on Real and Complex Singularities
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] Positive flow-spines and contact 3-manifolds2019

    • Author(s)
      石川昌治
    • Organizer
      Branched Coverings, Degenerations, and Related Topics 2019
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] Polyhedral presentation of Milnor fibers2019

    • Author(s)
      石川昌治
    • Organizer
      Seminar in Institute of Mathematics, VAST
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Presentation] 3次元多様体の正フロースパインと接触構造2019

    • Author(s)
      石川昌治
    • Organizer
      大阪大学トポロジーセミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] Polyhedral presentation of Milnor fibers2019

    • Author(s)
      石川昌治
    • Organizer
      Seminar in Institute of Mathematics, VAST
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] レンズ空間の正フロースパインと接触構造について2019

    • Author(s)
      石川昌治
    • Organizer
      北陸結び目セミナー 2019
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] レンズ空間の正フロースパインと接触構造について2019

    • Author(s)
      石川昌治
    • Organizer
      北陸結び目セミナー 2019
    • Data Source
      KAKENHI-PROJECT-19K03499
  • [Presentation] 3次元多様体の正フロースパインと接触構造2019

    • Author(s)
      石川昌治
    • Organizer
      談話会(埼玉大学)
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] Shadow presentation of Milnor fibers2019

    • Author(s)
      石川昌治
    • Organizer
      Workshop on Topology of Singularities
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] アワビとホップ束について2019

    • Author(s)
      石川昌治
    • Organizer
      第42回箱根セミナー(2019)
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] 3次元多様体の正フロースパインと接触構造2018

    • Author(s)
      石川昌治
    • Organizer
      微分幾何・トポロジーセミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] Positive flow-spines and contact 3-manifolds2018

    • Author(s)
      石川昌治
    • Organizer
      火曜トポロジーセミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] 平面曲線特異点のミルナー束の shadowによる表示2018

    • Author(s)
      石川昌治
    • Organizer
      金沢大学・学習院大学合同トポロジーセミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] 3次元多様体の正フロースパインと接触構造2018

    • Author(s)
      石川昌治
    • Organizer
      微分幾何・トポロジーセミナー,慶應義塾大学
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] Positive flow-spines and contact 3-manifolds2018

    • Author(s)
      石川昌治
    • Organizer
      火曜トポロジーセミナー,東京大学
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] Singularity at infinity of real polynomial maps of two variables2018

    • Author(s)
      石川昌治
    • Organizer
      The 13th Kagoshima Algebra-Analysis-Geometry Seminar
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] オープンブック分解のモノドロミーベクトル場のl-型フロースパインの構成2018

    • Author(s)
      石川昌治
    • Organizer
      第41回箱根セミナ(2018)
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] オープンブック分解のモノドロミーベクトル場のl-型フロースパインの構成2018

    • Author(s)
      石川昌治
    • Organizer
      第41回箱根セミナ(2018)
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] Singularity at infinity of real polynomial maps of two variables2018

    • Author(s)
      石川昌治
    • Organizer
      The 13th Kagoshima Algebra-Analysis-Geometry Seminar, Kagoshima University
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] 3次元多様体および3次元接触多様体の複雑度について2018

    • Author(s)
      石川昌治
    • Organizer
      東京女子大学トポロジーセミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] 平面曲線特異点のミルナー束の shadowによる表示2018

    • Author(s)
      石川昌治
    • Organizer
      金沢大学・学習院大学合同トポロジーセミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] 3次元多様体および3次元接触多様体の複雑度について2018

    • Author(s)
      石川昌治
    • Organizer
      東京女子大学トポロジーセミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] On singularities at infinity of real polynomial maps2017

    • Author(s)
      石川昌治
    • Organizer
      理科大ワークショップ,東京理科大学神楽坂キャンパス
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06128
  • [Presentation] The bifurcation set of a real polynomial function from a viewpoint of toric compactification2016

    • Author(s)
      石川昌治
    • Organizer
      談話会
    • Place of Presentation
      ダラット大学, ベトナム
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] 多項式写像の無限遠の特異点とニュートン図形2016

    • Author(s)
      石川昌治
    • Organizer
      トポロジー金曜セミナー
    • Place of Presentation
      九州大学
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] The bifurcation set of a real polynomial function from a viewpoint of toric compactification2016

    • Author(s)
      石川昌治
    • Organizer
      談話会
    • Place of Presentation
      VIASM, ベトナム
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] Stable maps and branched shadows of 3-manifolds2016

    • Author(s)
      石川昌治
    • Organizer
      III International Conference "Quantum Topology"
    • Place of Presentation
      Steklov Mathematical Institute, ロシア
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05140
  • [Presentation] Stable maps and hyperbolic volumes of 3-manifolds2015

    • Author(s)
      石川 昌治
    • Organizer
      Singularities in Generic Geometry and its Applications --- Kobe-Kyoto 2015 (Valencia IV) ---
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2015-06-08
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25400078
  • [Presentation] Stable maps and branched shadows of 3-manifolds2015

    • Author(s)
      石川 昌治
    • Organizer
      The 3rd Franco-Japanese-Vietnamese Symposium on Singularities
    • Place of Presentation
      Institute of Mathematics (ベトナム)
    • Year and Date
      2015-11-30
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25400078
  • [Presentation] Branched shadow と安定写像2014

    • Author(s)
      石川 昌治
    • Organizer
      Topology mini Workshop
    • Place of Presentation
      日本大学文理学部
    • Data Source
      KAKENHI-PROJECT-25400078
  • [Presentation] Stable maps and branched shadows2014

    • Author(s)
      石川昌治
    • Organizer
      Mini-Workshop on Topology of Singularities
    • Place of Presentation
      東北大学
    • Year and Date
      2014-11-07
    • Data Source
      KAKENHI-PROJECT-25400078
  • [Presentation] Branched shadows and stable maps2014

    • Author(s)
      石川 昌治
    • Organizer
      ワークショップ「超曲面特異点とリンク多様体に関する幾何学」
    • Place of Presentation
      東京理科大学
    • Data Source
      KAKENHI-PROJECT-25400078
  • [Presentation] Milnor fibrations and their deformations in low-dimensional topology2013

    • Author(s)
      石川 昌治
    • Organizer
      The Asian Mathematical Conference
    • Place of Presentation
      Bexco, 釜山(韓国)
    • Invited
    • Data Source
      KAKENHI-PROJECT-25400078
  • [Presentation] Milnor fibrations and contact structures on the 3-sphere2012

    • Author(s)
      Masaharu Ishikawa
    • Organizer
      特異点セミナー
    • Place of Presentation
      リール大学(リール、フランス)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] Tangle sums and factorization of A-polynomials2012

    • Author(s)
      Masaharu Ishikawa
    • Organizer
      RIMS合宿セミナー「Representation spaces, twisted topological invariants and geometric structures of 3-manifolds」
    • Place of Presentation
      強羅
    • Invited
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] Tangle sums and factorization of A-polynomials2012

    • Author(s)
      Masaharu Ishikawa
    • Organizer
      第7回代数・解析・幾何学セミナー
    • Place of Presentation
      鹿児島大学
    • Year and Date
      2012-02-14
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] On the factorization of A-polynomials2012

    • Author(s)
      Masaharu Ishikawa
    • Organizer
      Topology of Singularities and related topics, III
    • Place of Presentation
      ダラット大学(ベトナム)
    • Year and Date
      2012-03-27
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] Milnor fibrations and cont act structures on S^32011

    • Author(s)
      石川昌治
    • Organizer
      研究集会「Top ology of Singularities and Related T opics, II」
    • Place of Presentation
      東北大学
    • Year and Date
      2011-01-08
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] f¥bar g-型特異点のミルナー束と両立する接触構造について2011

    • Author(s)
      石川昌治
    • Organizer
      接触構造・特異点・微分方程式およびその周辺
    • Place of Presentation
      京都市職員厚生会職員会館かもがわ
    • Year and Date
      2011-01-24
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] f¥bar g-型特異点のミルナー束と両立する接触構造について2011

    • Author(s)
      石川昌治
    • Organizer
      研究集 会「接触構造・特異点・微分方程式およびその周辺」
    • Place of Presentation
      京都市職 員厚生会 職員会館かもがわ
    • Year and Date
      2011-01-24
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] Tangle sums and factorization of A-polynomials2011

    • Author(s)
      Masaharu Ishikawa
    • Organizer
      GCOE Workshop, Circle valued Morse theory and Alexander invariants
    • Place of Presentation
      東京大学
    • Year and Date
      2011-11-16
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] Milnor fibrations and contact structures on S^32011

    • Author(s)
      石川昌治
    • Organizer
      Topology of Singularities and Related Topics, II
    • Place of Presentation
      東北大学
    • Year and Date
      2011-01-08
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] Finite surgeries on three-tangle pretzel knots2010

    • Author(s)
      石川昌治
    • Organizer
      Topology of singularities and related topics
    • Place of Presentation
      ハノイ、ベトナム
    • Year and Date
      2010-03-26
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] On the compatible contact structures of fibered Seifert links in homology 3-spheres2010

    • Author(s)
      石川昌治
    • Organizer
      Knots, Contact Geometry and Floer Homology
    • Place of Presentation
      東京大学
    • Year and Date
      2010-05-27
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] On the compatible contact structures of fibered Seifert links in homology 3-spheres2010

    • Author(s)
      石川昌治
    • Organizer
      研究集会「Kno ts, Contact Geometry and Floer Homol ogy」
    • Place of Presentation
      東京大学
    • Year and Date
      2010-05-27
    • Data Source
      KAKENHI-PROJECT-22740032
  • [Presentation] Contact structures of Seifert links and their cablings2009

    • Author(s)
      石川昌治
    • Organizer
      Branched Coverings, Degenedations, and Related Topics
    • Place of Presentation
      広島大学
    • Year and Date
      2009-03-10
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] Contact structures com- patible with fibered Seifert links2009

    • Author(s)
      石川昌治
    • Organizer
      研究集会「Symplectic topology, contact topology and applications 2009」
    • Place of Presentation
      北海道大学
    • Year and Date
      2009-03-23
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] 向きを入れ替えたトーラスリンクの quasipositivity について2009

    • Author(s)
      石川昌治
    • Organizer
      東北結び目セミナー
    • Place of Presentation
      山形
    • Year and Date
      2009-10-19
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] 向きを入れ替えたトーラスリンクのquasipositivityについて2009

    • Author(s)
      石川昌治
    • Organizer
      研究集会「東北結び目セミナー」
    • Place of Presentation
      山形
    • Year and Date
      2009-10-19
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] Contact structures compatible with fibered Seifert links2009

    • Author(s)
      石川昌治
    • Organizer
      Symplectic topology, contact topology and applica tions 2009
    • Place of Presentation
      北海道大学
    • Year and Date
      2009-03-23
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] The standard contact struc- ture and quasipositive surface in S^32009

    • Author(s)
      石川昌治
    • Organizer
      Mini-Workshop on Differential Geome- try and Topology
    • Place of Presentation
      東北大学
    • Year and Date
      2009-10-03
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] f\bar g-型の特異点のミルナー束と両立する接触構造について2009

    • Author(s)
      石川昌治
    • Organizer
      研究集会「トポロジーと写像の特異点」
    • Place of Presentation
      信州大学
    • Year and Date
      2009-06-04
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] Contact structures of Seifert links and their cablings2009

    • Author(s)
      石川昌治
    • Organizer
      研究集会「Branched Coverings, Degenera- tions, and Related Topics」
    • Place of Presentation
      広島大学
    • Year and Date
      2009-03-10
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] $f\bar g$-型の特異点のミルナー束と両立する接触構造について2009

    • Author(s)
      石川昌治
    • Organizer
      トポロジーと写像の特異点
    • Place of Presentation
      松本
    • Year and Date
      2009-06-04
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] 実解析的特異点と接触構造について2007

    • Author(s)
      石川昌治
    • Organizer
      研究集会「接触構造と葉層構造」
    • Place of Presentation
      東京大学玉原国際セミナーハウス
    • Year and Date
      2007-09-05
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] On real analytic germs and contact structures2007

    • Author(s)
      石川昌治
    • Organizer
      第4回日仏特異点シンポジウム
    • Place of Presentation
      富山
    • Year and Date
      2007-08-29
    • Data Source
      KAKENHI-PROJECT-19740029
  • [Presentation] 3次元多様体の安定写像と分岐シャドーについて

    • Author(s)
      石川昌治
    • Organizer
      2014年度日本数学会秋季総合分科会
    • Place of Presentation
      広島大学
    • Year and Date
      2014-09-25 – 2014-09-28
    • Invited
    • Data Source
      KAKENHI-PROJECT-25400078
  • 1.  ENDO Hisaaki (20323777)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 2.  SAEKI OSAMU (30201510)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 3.  OHMOTO Toru (20264400)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 4.  IWASE Norio (60213287)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 5.  KAMADA Seiichi (60254380)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 6.  KOBAYASHI Mahito (10261645)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 7.  MURAKAMI Hitoshi (70192771)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  TERASHIMA Yuji (70361764)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  KITANO Teruaki (90272658)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  USHIJIMA Akira (50323803)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  YOKURA Shoji (60182680)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  SAKUMA Kazuhiro (80270362)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  FUKUI Toshizumi (90218892)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  ISHIKAWA Goo (50176161)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  YAMAMOTO Minoru (40435475)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  TAKASE Masamichi (30447718)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  ASHIKAGA Tadashi (90125203)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  KATANAGA Atsuko (20373128)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  YAMAMOTO Takahiro (60435972)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  TAKEUCHI Kiyoshi (70281160)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  TAKATA Toshie (40253398)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  Sakuma Makoto (30178602)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 23.  島田 伊知朗 (10235616)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  古宇田 悠哉 (20525167)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 25.  土井 英雄 (50197993)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 26.  秋吉 宏尚 (80397611)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 27.  茂手木 公彦 (40219978)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 28.  谷山 公規 (10247207)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 29.  大山 淑之 (80223981)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 30.  新國 亮 (00401878)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 31.  三松 佳彦 (70190725)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 32.  NGUYEN Thang
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 33.  NGUYEN Tat Thang
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

URL: 

Are you sure that you want to connect your ORCID iD to this researcher?
* This action can be performed only by the researcher themselves.

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi