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Nishida Koji  西田 康二

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… Alternative Names

NISHIDA Koji  西田 康二

西田 康二  ニシダ コウジ

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Researcher Number 60228187
Affiliation (Current) 2025: 千葉大学, 大学院理学研究院, 教授
Affiliation (based on the past Project Information) *help 2018 – 2023: 千葉大学, 大学院理学研究院, 教授
2013 – 2017: 千葉大学, 統合情報センター, 教授
2012: 千葉大学, 総合メディア基盤センター, 教授
2011: 千葉大学, 理学(系)研究科(研究院), 教授
2010: 千葉大学, 理学研究科, 教授 … More
2008 – 2010: Chiba University, 大学院・理学研究科, 教授
2007: Chiba University, Graduate School of Science, Associate Professor
2006: Chiba Univ., Graduate School of Science and Technology, Associate Professor, 大学院自然科学研究科, 助教授
1999 – 2005: Chiba Univ. Faculty of Science A. Prof., 大学院・自然科学研究科, 助教授
2004: Chiba University, School of Science, Associated Professor, 大学院・自然科学研究院, 助教授
1999: 千葉大学, 大学院・自然科学研究所, 助教授
1997 – 1998: 千葉大学, 大学院・自然科学研究科, 助手
1994 – 1995: 千葉大学, 大学院・自然科学研究科, 助手
1994: 千葉大学, 理学部, 助手
1994: 千葉大学大学院, 自然科学研究会, 助手
1992: 千葉大学, 大学院・自然科学研究科, 助手
1991: 千葉大学, 自然科学研究科, 助手
1990: 千葉大学, 大学院・自然科学研究科, 助手 Less
Review Section/Research Field
Principal Investigator
Algebra / Algebra
Except Principal Investigator
Algebra / Algebra / Geometry / 代数学・幾何学
Keywords
Principal Investigator
次数付き環 / 可換環 / シンボリックリース環 / 局所環 / フィルトレーション / シンボリックリース代数 / 記号的リース代数 / 記号的べき乗 / 重複度 / イデアル … More / Huneke の判定法 / ヒルベルト係数 / 非輪状複体 / イデアル商 / シンボリック冪 / filtration / graded ring / local ring / Homology / Graded Ring / Local Ring / 次数付主環 / ホモロジー代数 / ホモロジー / 加群のリース代数 / 加群のリース環 / symbolic Rees algebra / symbolic power / 代数学 / 次数付環 / シンボリックパワー … More
Except Principal Investigator
有限群 / I-invariant / finite group / 森田同値 / ブロック / ブルエ予想 / 表現論 / irreducible character / Morita equivalence / Broue's conjecture / abelian defect group / block / modular representation theory / representation theory / 既約指標 / 可換不足群 / モジュラー表現論 / Equi-I-invariant case / Arithmetic Macaulayfication / Improvement of singularity / Rees algebra / associated graded ring / Buchsbaum ring / USD-sequence / 算術的Macaulay化 / 特異点改良問題 / Rees環 / 随伴次数付き環 / Buchsbaum環 / USD列 / 導来同値 / 環拡大 / 可挽不足群 / 共役類 / デイド予想 / minimal multiplicity / Fiber cone / 漸近的性質 / 1次元 / 拡大Rees環 / 極小重複度 / Cohen-Macaulayfication / Ideal整閉包 / Grothendieck群 / Blowing-up / Macaulay化 / representation diagram / Sharp character / 表現グラフ / シャープ指標 / アルペリン予想 / 極小集合 / 位相安定性 / 拡大性 / 葉層エントロピー / 擬葉追跡性 / 横断ハウスドルフ次元 / 葉層構造 / sharp pair / sharp character / 表現 / 4次元多様体 / 超曲面 / ゴレンシュタイン・リ-ス環 / コーエン・マッコーレー環 / 鋭指標(シャープ・キャラクター) / 筒(クイバー) / 多元環 / ゲーム理論 / リース多元環 / 正則関数 / 量子群 / ファジイ / 射影加群 / 主ブロック / 余生成加群 / 生成加群 / Hー分離拡大 / Pー根基 / タンジェント層 / 代数的多様体 / 作用素 / リーマン多様体 / Pーブロック / 群多元環 Less
  • Research Projects

    (21 results)
  • Research Products

    (55 results)
  • Co-Researchers

    (27 People)
  •  Computation of ideal qutients by transformation of acyclic complexes and its applicationPrincipal Investigator

    • Principal Investigator
      Nishida Koji
    • Project Period (FY)
      2017 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  Research on the powers of modules and their saturationPrincipal Investigator

    • Principal Investigator
      Nishida Koji
    • Project Period (FY)
      2014 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  Research on Noetherian property of symbolic Rees algebrasPrincipal Investigator

    • Principal Investigator
      NISHIDA Koji
    • Project Period (FY)
      2011 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  Solution of Broue's conjecture in representation Theory of finite groups

    • Principal Investigator
      KOSHITANI Shigeo
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  Computing j-multiplicity ant its applicationPrincipal Investigator

    • Principal Investigator
      NISHIDA Koji
    • Project Period (FY)
      2007 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  Solution of Broue's conjecture in representation theory of finite groups

    • Principal Investigator
      KOSHITANI Shigeo
    • Project Period (FY)
      2005 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  Research on the associated graded ring of a general filtrationPrincipal Investigator

    • Principal Investigator
      NISHIDA Koji
    • Project Period (FY)
      2003 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  For the solution of Broue's conjecture in representation theory of finite groups

    • Principal Investigator
      KOSHITANI Shigeo
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  The basic theory of USD-sequences and the ring theoretical structure of Rees algebras

    • Principal Investigator
      YAMAGISHI Kikumichi
    • Project Period (FY)
      2000 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Himeji Dokkyo University
  •  Analysis of Filtrations in Local Rings and the Associated graded ringsPrincipal Investigator

    • Principal Investigator
      NISHIDA Koji
    • Project Period (FY)
      1999 – 2002
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      CHIBA UNIVERSITY
  •  Algebraic structure and representations

    • Principal Investigator
      NOZAWA Sohei
    • Project Period (FY)
      1998 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  Basic researchs on USD-sequences and its applications to improvements of singularities

    • Principal Investigator
      YAMAGISHI Kikumichi
    • Project Period (FY)
      1998 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Himeji Dokkyo University
  •  Grothendieck群に値を持つ Hilbert関数の研究Principal Investigator

    • Principal Investigator
      西田 康二
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  群構造と表現

    • Principal Investigator
      野澤 宗平
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  葉層構造論の応用

    • Principal Investigator
      稲葉 尚志
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Chiba University
  •  群と多元環とこれら代数系の応用について

    • Principal Investigator
      越谷 重夫
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  4次元ハンドル構造の位相的変形とノルム多項式

    • Principal Investigator
      久我 健一
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Chiba University
  •  幾何学的側面から見た次数付き環の研究Principal Investigator

    • Principal Investigator
      西田 康二
    • Project Period (FY)
      1993 – 1994
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Algebra
    • Research Institution
      Chiba University
  •  代数学と幾何学における表現論とその応用

    • Principal Investigator
      越谷 重夫
    • Project Period (FY)
      1992
    • Research Institution
      Chiba University
  •  環および余環の拡大の研究

    • Principal Investigator
      平田 和彦
    • Project Period (FY)
      1991
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      代数学・幾何学
    • Research Institution
      Chiba University
  •  多元環と多様体における代数的側面と幾何的側面

    • Principal Investigator
      KOSHITANI Shigeo
    • Project Period (FY)
      1990
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      代数学・幾何学
    • Research Institution
      Chiba University

All 2022 2021 2019 2018 2017 2016 2015 2010 2009 2008 2007 2006 2005 Other

All Journal Article Presentation

  • [Journal Article] Finitely generated symbolic Rees rings of ideals defining certain finite sets of points in P^22021

    • Author(s)
      Kai Keisuke、Nishida Koji
    • Journal Title

      Journal of Algebra

      Volume: 587 Pages: 20-35

    • DOI

      10.1016/j.jalgebra.2021.07.024

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K05192
  • [Journal Article] Infinitely generated symbolic Rees rings of space monomial curves having negative curves2019

    • Author(s)
      Kazuhiko Kurano and Koji Nishida
    • Journal Title

      Michigan Mathematical Journal

      Volume: 68 Pages: 409-445

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K05192
  • [Journal Article] Infinitely generated sybolic Rees rings of space monomial curves having negative curves2018

    • Author(s)
      Kazuhiko Kurano and Koji Nishida
    • Journal Title

      Michigan Mathematical Journal

      Volume: 印刷中

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26400038
  • [Journal Article] Infinitely generated sybolic Rees rings of space monomial curves having negative curves2018

    • Author(s)
      Kazuhiko Kurano and Koji Nishida
    • Journal Title

      Michigan Mathematical Journal

      Volume: 印刷中

    • Data Source
      KAKENHI-PROJECT-17K05192
  • [Journal Article] Saturations of powers of certain determinantal ideals2015

    • Author(s)
      K. Fukumuro, T. Inagawa and K. Nishida
    • Journal Title

      Journal of Commutative Algebra

      Volume: 未定

    • Data Source
      KAKENHI-PROJECT-26400038
  • [Journal Article] Saturations of powers of certain determinantal ideals2015

    • Author(s)
      Kosuke Fukumuro, Taro Inagawa and Koji Nishida
    • Journal Title

      Journal of Commutative Algebra

      Volume: 7 Issue: 2 Pages: 167-187

    • DOI

      10.1216/jca-2015-7-2-167

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26400038
  • [Journal Article] On modules of linear type2015

    • Author(s)
      K. Fukumuro, H. Kume and K. Nishida
    • Journal Title

      Acta Mathematica Vietnamica

      Volume: 40 Issue: 1 Pages: 101-110

    • DOI

      10.1007/s40306-015-0116-1

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540042, KAKENHI-PROJECT-26400038
  • [Journal Article] Saturations of powers of certain determinantal ideals2015

    • Author(s)
      K. Fukumuro, T. Inagawa and Koji Nishida
    • Journal Title

      Journal of Commutative Algebra

      Volume: 未定

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540042
  • [Journal Article] Computing j-multiplicity2010

    • Author(s)
      Koji Nishida
    • Journal Title

      Journal of Pure and Applied Algebra

      Volume: 214巻 Pages: 2101-2110

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Journal Article] Computing j-multiplicity2010

    • Author(s)
      Koji Nishida, Bernd Ulrich
    • Journal Title

      Journal of Pure and Applied Algebra Vol.214, No.12

      Pages: 2101-2110

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Journal Article] An upper bound on the reduction number of an ideal2009

    • Author(s)
      Y. Kinoshita, K. Nishida, K. Sakata, R. Shinya
    • Journal Title

      Communications in Algebra Vol. 37

      Pages: 1690-1699

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Journal Article] An upper bound on the reduction number of an ideal2009

    • Author(s)
      Y.Kinoshita, Koji Nishida, K.Sakata, R.Shinya
    • Journal Title

      Communications in Algebra Vol.37, No.5

      Pages: 1690-1699

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Journal Article] The structure of Sally modules of rank one2008

    • Author(s)
      S. Goto, K. Nishida, K. Ozeki
    • Journal Title

      Mathematical Research Letters vol. 15

      Pages: 881-892

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Journal Article] Sally modules of rank one2008

    • Author(s)
      S. Goto, K. Nishida, K. Ozeki
    • Journal Title

      Michigan Mathematical Journal Vol. 57

      Pages: 359-381

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Journal Article] Sally modules of rank one2008

    • Author(s)
      Shiro Goto, Koji Nishida, Kazuho Ozeki
    • Journal Title

      Michigan Mathematical Journal Vol.57

      Pages: 359-381

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Journal Article] The structure of Sally modules of rank one2008

    • Author(s)
      Shiro Goto, Koji Nishida, Kazuho Ozeki
    • Journal Title

      Mathematical Research Letters Vol.15, No.5

      Pages: 881-892

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Journal Article] On Burch's inequality and a reduction system of a filtration2006

    • Author(s)
      Y. Kinoshita, H. Nishida, Y. Yamanaka and A. Yoneda
    • Journal Title

      Proceedings of the American Mathematical Society

      Pages: 3437-3444

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17540010
  • [Journal Article] On Burch's ineguality and a reduction system of a filtration2006

    • Author(s)
      Koji Nishida
    • Journal Title

      Proceedings of the American Mathematical society 134

      Pages: 3437-3444

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17540010
  • [Journal Article] On Burch's inequality and a reduction system of a filtration2006

    • Author(s)
      Y.Kinoshita, K.Nishida, Y.Yamanaka, A.Noneda
    • Journal Title

      Proceedings of the American Mathematical Society 134

      Pages: 3437-3444

    • Data Source
      KAKENHI-PROJECT-17540010
  • [Journal Article] On the depth of the associated graded ring of a filtration2005

    • Author(s)
      Koji Nishida
    • Journal Title

      Journal of Algebra 285

      Pages: 182-195

    • Data Source
      KAKENHI-PROJECT-17540010
  • [Journal Article] On the depth of the associated graded ring of filtration2005

    • Author(s)
      Koji Nishida
    • Journal Title

      Journal of Algebra Vol.285

      Pages: 182-195

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15540009
  • [Journal Article] On the depth of the associated graded ring of a filtration2005

    • Author(s)
      Koji Nishida
    • Journal Title

      Journal of Algebra 285

      Pages: 182-195

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15540009
  • [Journal Article] Computing j-multiplicity

    • Author(s)
      K. Nishida, B. Ulrich
    • Journal Title

      Journal of Pure and Applied Algebra (掲載予定)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Journal Article] Computing j-multiplicity

    • Author(s)
      Koji Nishida
    • Journal Title

      Journal of Pure and Applied Algebra (掲載予定)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] On the Hilbert coefficients of graded modules over graded rings2022

    • Author(s)
      西田康二
    • Organizer
      第43回 可換環論シンポジウム
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K05192
  • [Presentation] 次数付環上の次数付加群のヒルベルト係数について2022

    • Author(s)
      西田康二
    • Organizer
      可換環論の新しい融合セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-17K05192
  • [Presentation] Finitely generated symbolic Rees rings defined by certain finite sets of points in P^22019

    • Author(s)
      西田康二
    • Organizer
      東京可換環論セミナー
    • Data Source
      KAKENHI-PROJECT-17K05192
  • [Presentation] On the symbolic Rees rings for Fermat ideals2019

    • Author(s)
      Koji Nishida
    • Organizer
      1147th AMS Meeting, Special Session on Commutative Algebra
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K05192
  • [Presentation] Noetherian symbolic Rees rings of finite sets of points in P^22019

    • Author(s)
      西田康二
    • Organizer
      第41回可換環論シンポジウム
    • Data Source
      KAKENHI-PROJECT-17K05192
  • [Presentation] シンボリックリース環のネータ性について2018

    • Author(s)
      西田康二
    • Organizer
      第63回代数学シンポジウム
    • Invited
    • Data Source
      KAKENHI-PROJECT-17K05192
  • [Presentation] On the symbolic Rees rings of Fermat ideals2017

    • Author(s)
      西田 康二
    • Organizer
      第39回可換環論シンポジウム
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26400038
  • [Presentation] On the symbolic Rees rings for Fermat ideals2017

    • Author(s)
      西田 康二
    • Organizer
      第39回可換環論シンポジウム
    • Data Source
      KAKENHI-PROJECT-17K05192
  • [Presentation] On a method for constructiong non-Noetherian symbolic Rees algebras2016

    • Author(s)
      Koji Nishida
    • Organizer
      International Conference and 8-th Japan-Vietnam joint Seminar on Commutative Algebra
    • Place of Presentation
      Ha Long, Vietnam
    • Year and Date
      2016-03-21
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26400038
  • [Presentation] Noetherian and non-Noetherian symbolic Rees algebras2010

    • Author(s)
      西田康二
    • Organizer
      第32回可換環論シンポジウム
    • Place of Presentation
      生産性国際交流センター
    • Year and Date
      2010-12-11
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] Noetherian symbolic Rees algebras in positive characteristic case2010

    • Author(s)
      西田康二
    • Organizer
      The 5th Japan-Vietnam Joint Seminar on Commutative Algebra
    • Place of Presentation
      Institute of Mathematics, Vietnamese Academy of Science and Technology, Hanoi (Vietnam)
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] Noetherian and non-Noetherian symbolic Rees algebras2010

    • Author(s)
      西田康二
    • Organizer
      The 6th Japan-Vietnam Joint Seminar on Commutative Algebra
    • Place of Presentation
      生産性国際交流センター,神奈川県逗子市
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] Noetherian symbolic Rees algebras in positive characteristic case2010

    • Author(s)
      Koji Nishida
    • Organizer
      The 5th Japan-Vietnam Joint Seminar on Commutative Algebra
    • Place of Presentation
      Vietnamese Academy of Science and Technology
    • Year and Date
      2010-01-09
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] Noetherian symbolic Rees algebras in positive characteristic case2010

    • Author(s)
      西田康二
    • Organizer
      The 5th Japan-Vietnam Joint Seminar on Commutative Algebra
    • Place of Presentation
      Vietnamese Academy of Science and Technology (ベトナム・ハノイ)
    • Year and Date
      2010-01-09
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] An upper bound on the reduction number of an ideal2008

    • Author(s)
      西田康二
    • Organizer
      International Conference on Commutative Algebra
    • Place of Presentation
      開港記念会館,神奈川県横浜市
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] On the third symbolic powers of prime ideals defining space monomial curves2008

    • Author(s)
      西田康二
    • Organizer
      第30回可換環論シンポジウム
    • Place of Presentation
      国民宿舎虹の松原ホテル,佐賀県唐津市
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] On the third symbolic powers of prime ideals defining space monomial curves2008

    • Author(s)
      西田康二
    • Organizer
      Commutative Algebra and Its Interactions with Algebraic Geometry
    • Place of Presentation
      CIRM (フランス・ルミニ)
    • Year and Date
      2008-09-30
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] On the third symbolic powers of prime ideals defining space monomial curves2008

    • Author(s)
      西田康二
    • Organizer
      Commutative Algebra and Its Interactions with Algebraic Geometry
    • Place of Presentation
      CIRM, Luminy, France
    • Year and Date
      2008-09-30
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] On the third symbolic powers of prime ideals defining space monomial curves2008

    • Author(s)
      西田康二
    • Organizer
      Commutative Algebra and Its Interactions with Algebraic Geometry
    • Place of Presentation
      CIRM, Luminy (France)
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] An upper bound on the reduction number of an ideal2007

    • Author(s)
      西田 康二
    • Organizer
      第29回可換環論シンポジウム
    • Place of Presentation
      愛知厚生年金会館
    • Year and Date
      2007-11-20
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] An upper bound on the reduction number of an ideal2007

    • Author(s)
      西田康二
    • Organizer
      第29回可換環論シンポジウム
    • Place of Presentation
      愛知厚生年金会館ウェルシティなごや,愛知県名古屋市
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] An upper bound on the reduction number of an ideal2007

    • Author(s)
      西田康二
    • Organizer
      The 3rd Japan-Vietnam Joint Seminar on Commutative Algebra
    • Place of Presentation
      Institute of Mathematics, Vietnamese Academy of Science and Technology, Hanoi (Vietnam)
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] An upper bound of reduction number of an ideal2007

    • Author(s)
      西田康二
    • Organizer
      第29回可換環論シンポジウム
    • Place of Presentation
      愛知厚生年金会館
    • Year and Date
      2007-11-20
    • Data Source
      KAKENHI-PROJECT-19540009
  • [Presentation] On a transform of an acyclic complex of length 3

    • Author(s)
      Koji Nishida
    • Organizer
      The 7th Japan-Vietnam Joint Seminar on Commutative Algebra(招待講演)
    • Place of Presentation
      Quy Nhon, Vietnam
    • Data Source
      KAKENHI-PROJECT-23540042
  • [Presentation] Non-Noetherian symbolic Rees algebras

    • Author(s)
      Koji Nishida
    • Organizer
      Commutative Algebra and Singularity Theory 2014
    • Place of Presentation
      立山国際ホテル
    • Year and Date
      2014-07-28 – 2014-08-01
    • Invited
    • Data Source
      KAKENHI-PROJECT-26400038
  • [Presentation] 有限生成でない symbolic Rees algebra について

    • Author(s)
      西田 康二
    • Organizer
      第27回可換環論セミナー
    • Place of Presentation
      静岡大学理学部
    • Year and Date
      2015-01-25 – 2015-01-28
    • Data Source
      KAKENHI-PROJECT-26400038
  • [Presentation] Non-Noetherian symbolic Rees algebras

    • Author(s)
      Koji Nishida
    • Organizer
      Commutative Algebra and Singularity Theory 2014
    • Place of Presentation
      立山国際ホテル
    • Year and Date
      2014-07-28 – 2014-08-01
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540042
  • [Presentation] linear type の加群について

    • Author(s)
      西田康二
    • Organizer
      第35回可換環論シンポジウム
    • Place of Presentation
      京都大学数理解析研究所
    • Data Source
      KAKENHI-PROJECT-23540042
  • [Presentation] 有限生成でない symbolic Rees algebra について

    • Author(s)
      西田 康二
    • Organizer
      第27回可換環論セミナー
    • Place of Presentation
      静岡大学理学部
    • Year and Date
      2015-01-25 – 2015-01-28
    • Data Source
      KAKENHI-PROJECT-23540042
  • [Presentation] On a method for computing symbolic powers of ideals

    • Author(s)
      西田康二
    • Organizer
      第33回可換環論シンポジウム
    • Place of Presentation
      静岡県浜松市
    • Data Source
      KAKENHI-PROJECT-23540042
  • [Presentation] On modules of linear type

    • Author(s)
      Koji Nishida
    • Organizer
      International conference on Commutative Algebra and its interaction to Algebraic Geometry and Combinatrics
    • Place of Presentation
      Vietnam Institute for Advanced Study in Mathematics
    • Data Source
      KAKENHI-PROJECT-23540042
  • 1.  KOSHITANI Shigeo (30125926)
    # of Collaborated Projects: 12 results
    # of Collaborated Products: 0 results
  • 2.  NOZAWA Sohei (20092083)
    # of Collaborated Projects: 8 results
    # of Collaborated Products: 0 results
  • 3.  MATSUDA Shigeki (90272301)
    # of Collaborated Projects: 6 results
    # of Collaborated Products: 0 results
  • 4.  KITAZUME Masaaki (60204898)
    # of Collaborated Projects: 6 results
    # of Collaborated Products: 0 results
  • 5.  高木 亮一 (00015562)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 6.  KURANO Kazuhiko (90205188)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 1 results
  • 7.  OTSUBO Noriyuki (60332566)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 8.  SUGIYAMA Ken-ichi (90206441)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 9.  ANDO Tetsuya (20184319)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 10.  稲葉 尚志 (40125901)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 11.  YAMAGISHI Kikumichi (10200601)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 12.  KAWASAKI Takesi (40301410)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 13.  柳原 二郎 (70009041)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 14.  平田 和彦 (80020296)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 15.  FUKUMURO Kosuke
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 4 results
  • 16.  INAGAWA Taro
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 3 results
  • 17.  KUNUGI Naoko (50362306)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  TODA Hiroshi (60025236)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  IAI Shin-Ichiro (50333125)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  中神 潤一 (30092076)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  安田 正実 (00041244)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  吉田 英信 (60009280)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 23.  渚 勝 (50189172)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  久我 健一 (30186374)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 25.  KUME Hirofumi
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 26.  ISOBE Ryotaro
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 27.  KUMASHIRO Shinya
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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