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Study of affine fibrations

Research Project

Project/Area Number 19540018
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionUniversity of Fukui

Principal Investigator

ONODA Nobuharu  University of Fukui, 大学院・工学研究科, 教授 (40169347)

Co-Investigator(Renkei-kenkyūsha) S.M.BHATWADEKAR  Tata Institute, Fundamental Research, Professor
A.K.DUTTA  Indian Statistical Institute, Associate Professor
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2008: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2007: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords可換環論 / アフィン代数幾何学 / ファイブレーション / 国際研究者交流 / インド
Research Abstract

可換ネーター正規環R上、余次元1のファイバー環がすべて1変数多項式環であるような忠実平坦R-代数Aについて考察し、Aの構造を解明するとともに、その応用を与えた。関連して、R上1変数多項式環のネーター部分環Aについて考察し、R上有限生成でないネーター部分環の具体例をさまざま構成するとともに、AがR上有限生成であるための条件を求めた。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (10 results)

All 2008 2007

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (4 results)

  • [Journal Article] Accuracy of powers of accurate elements2008

    • Author(s)
      N.Onoda, and T.Sugatani
    • Journal Title

      Toyama Math. J Vol.31

      Pages: 59-67

    • NAID

      120002599128

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] On finite generation of R-subalgebras of R [X]2008

    • Author(s)
      A.K.Dutta, and N.Onoda
    • Journal Title

      J.Algebra Vol.320

      Pages: 57-80

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] On finite generation of R-subalgebras of R[X]2008

    • Author(s)
      A. K. Dutta, N. Onoda
    • Journal Title

      Journal of Algebra 320

      Pages: 57-80

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Accuracy of powers of accurate elements2008

    • Author(s)
      N. Onoda, T. Sugatani
    • Journal Title

      Toyama Mathematical Journal 31

      Pages: 59-67

    • NAID

      120002599128

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Some results on codimension-one A^1-fibrations2007

    • Author(s)
      A.K.Dutta, and N.Onoda
    • Journal Title

      J.Algebra Vol.313

      Pages: 905-921

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Some results on codimension-one A^1-fibrations2007

    • Author(s)
      A. K. Dutta and N. Onoda
    • Journal Title

      Journal of Algebra 313

      Pages: 905-921

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] On codimension-one A^1-fibrations2008

    • Author(s)
      小野田信春
    • Organizer
      アフィン代数幾何学研究、On codimension-one集会
    • Place of Presentation
      関西学院大学大阪梅田キャンパス
    • Year and Date
      2008-09-03
    • Related Report
      2008 Final Research Report
  • [Presentation] On codimension-one A^1-fibrations2008

    • Author(s)
      Nobuharu Onoda
    • Organizer
      アフィン代数幾何学研究集会
    • Place of Presentation
      関西学院大学大阪梅田キャンパス
    • Year and Date
      2008-09-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] On codimension-one A^1-fibrations over Noetherian normal domains2007

    • Author(s)
      小野田信春
    • Organizer
      第29回可換環論シンポジウム
    • Place of Presentation
      ウェルシティなごや
    • Year and Date
      2007-11-20
    • Related Report
      2008 Final Research Report
  • [Presentation] On codimension-one A^1-fibrations over Ncetherian normal domains2007

    • Author(s)
      Nobuharu Onoda
    • Organizer
      第29回可換環論シンポジウム
    • Place of Presentation
      ウェルシティなごや
    • Year and Date
      2007-11-20
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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