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2009 Fiscal Year Final Research Report

Study of blow-up rings

Research Project

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Project/Area Number 19540054
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionMeiji University

Principal Investigator

GOTO Shiro  Meiji University, 理工学部, 教授 (50060091)

Co-Investigator(Kenkyū-buntansha) SAKURAI Hideto  明治大学, 研究・知財戦略機構, ポスト・ドクター (00409450)
Project Period (FY) 2007 – 2009
Keywords可換環 / Ress代数 / 随伴次数環 / Hilbert函数 / 重複度
Research Abstract

Commutative Algebra is one of the branches of algebra, which works on the sets equipped with two binary operations, such that addition and multiplication, such as the sets of numbers and the sets of functions. The purpose is to explore the structure of these sets with view-point from two binary operations. This is a very abstract approach but it contains good applications, like cryptography, to real societies. I have posed three concrete problems and have been trying to solve them. I obtain rather excellent and big results, which I have reported in several conferences of abroad.

  • Research Products

    (30 results)

All 2010 2009 2008 2007 Other

All Journal Article (15 results) Presentation (15 results)

  • [Journal Article] Quasi-socle ideals and Goto numbers of parameters2010

    • Author(s)
      S. Goto, S. Kimura, T.T. Phuong, H.L. Truong
    • Journal Title

      Journal of Pure and Applied Algebra 214

      Pages: 501-511

  • [Journal Article] Sequentially Cohen-Macaulayness versus parametric decomposition of powers of parameter ideals2010

    • Author(s)
      S. Goto, Y. Horiuchi, H. Sakurai
    • Journal Title

      Journal of Commutative Algebra 2

      Pages: 37-54

  • [Journal Article] uasi-socle ideals in local rings with Gorenstein tangent cones2009

    • Author(s)
      S. Goto, S. Kimura, N. Matsuoka, Tran Thi Phuong
    • Journal Title

      Journal of Commutative Algebra 1

      Pages: 603-620

  • [Journal Article] On vanishing of certain Ext modules2008

    • Author(s)
      S. Goto, F. Hayasaka, R. Takahashi
    • Journal Title

      J. Math. Soc. Japan 60

      Pages: 1045-1064

  • [Journal Article] The structure of Sally modules of rank one2008

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

      Mathematical Research Letters 15

      Pages: 881-892

  • [Journal Article] Sally modules of rank one2008

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

      Michigan Math. J. 57

      Pages: 359-381

  • [Journal Article] The leading ideal of a complete intersection of height two in a 2-dimensional regular local ring2008

    • Author(s)
      S. Goto, W. Heinzer, M.-K. Kim
    • Journal Title

      Communications in Algebra 36

      Pages: 1901-1910

  • [Journal Article] Quasi-socle ideals in Gorenstein local rings2008

    • Author(s)
      S. Goto, N. Matsuoka, R. Takahashi
    • Journal Title

      J. Pure and Appl. Alg. 212

      Pages: 969-980

  • [Journal Article] Quasi-socle ideals in Gorenstein numerical semigroup rings2007

    • Author(s)
      S. Goto, S. Kimura, N. Matsuoka
    • Journal Title

      J. Alg. 210

      Pages: 735-749

  • [Journal Article] Buchsbaum homogeneous algebras with minimal multiplicity2007

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

      J. Pure and Appl. Alg. 210

      Pages: 735-749

  • [Journal Article] Stanley-Reisner ideals whose powers have finite length cohomologies2007

    • Author(s)
      S. Goto, Y. Takayama
    • Journal Title

      Proc. Amer. Math. Soc. 135

      Pages: 2355-2364

  • [Journal Article] The leading ideal of a complete intersection of height two, Part II2007

    • Author(s)
      S. Goto, W. Heinzer, M.-K. Kim
    • Journal Title

      J. Alg. 312

      Pages: 709-732

  • [Journal Article] Quasi-socle ideals in Buchsbaum rings

    • Author(s)
      S. Goto, J. Horiuchi, H. Sakurai
    • Journal Title

      Nagoya Math. J. (to appear)

  • [Journal Article] Buchsbaumness in local rings possessing constant first Hilbert coefficients of parameters

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

      Nagoya Math. J (to appear)

  • [Journal Article] Vasconcelos, Cohen-Macaulayness versus the vanishing of the first Hilbert coefficient of parameter ideals

    • Author(s)
      L. Ghezzi, S. Goto, K. Ozeki, J. Hong, T.T. Phuong, W.V. Vasconcelos
    • Journal Title

      J. London Math. Soc (to appear)

  • [Presentation] Study of Hilbert functions and coefficients of parameters I, II, III, IV2010

    • Author(s)
      後藤四郎
    • Organizer
      he 5-th Japan-Vietnam Joint Seminar on Commutative Algebra, Institute of Mathematics Hanoi
    • Place of Presentation
      Hanoi (Vietnam)
    • Year and Date
      20100105-20100109
  • [Presentation] Cohen-Macaulayness versus vanishing of the first Hilbert coefficient of parameter ideals2009

    • Author(s)
      後藤四郎・大関一秀
    • Organizer
      第31回可換環論シンポジウム
    • Place of Presentation
      大阪
    • Year and Date
      20091124-20091127
  • [Presentation] Quasi-socle ideals and Goto numbers of parameters2009

    • Author(s)
      後藤四郎・木村了・Tran Thi Phuong
    • Organizer
      第31回可換環論シンポジウム
    • Place of Presentation
      大阪
    • Year and Date
      20091124-20091127
  • [Presentation] Quasi-socle ideals in Buchsbaum rings2009

    • Author(s)
      後藤四郎・堀内淳・櫻井秀人
    • Organizer
      第31回可換環論シンポジウム
    • Place of Presentation
      大阪
    • Year and Date
      20091124-20091127
  • [Presentation] Cohen-Macaulayness versus the vanishing of e_Q^1(A), the first Hilbert coefficient of parameters2009

    • Author(s)
      後藤四郎
    • Organizer
      International Conference on Commutative Algebra, honoring Wolmer V. Vasconcelos
    • Place of Presentation
      Recife (Olinda, Brazil)
    • Year and Date
      20090810-20090814
  • [Presentation] Cohen-Macaulayness versus the vanishing of e_Q^1(A)2009

    • Author(s)
      後藤四郎
    • Organizer
      the first Hilbert coefficient of parameters, PRIMA Congress
    • Place of Presentation
      UNSW, Sydney (Australia)
    • Year and Date
      20090706-20090710
  • [Presentation] The structure of Sally modules of rank2008

    • Author(s)
      後藤四郎
    • Organizer
      第53回代数学シンポジウム(いわて県民情報交流センター
    • Place of Presentation
      盛岡市アイーナ
    • Year and Date
      2008-08-05
  • [Presentation] The structure of Sally modules of rank2008

    • Author(s)
      後藤四郎, 大関一秀
    • Organizer
      日本数学会春季年会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-26
  • [Presentation] Quasi-socle ideals in numerical semi group rings2008

    • Author(s)
      後藤四郎, 木村了, 松岡直之
    • Organizer
      日本数学会春季年会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-26
  • [Presentation] Quasi-socle ideals in local rings with Gorenstein tangent cones2008

    • Author(s)
      後藤四郎, 木村了, 松岡直之
    • Organizer
      日本数学会春季年会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-26
  • [Presentation] Integral closures of monomial ideals2007

    • Author(s)
      後藤四郎
    • Organizer
      The 3-rd Japan-Vietnam Joint Seminar on Commutative Algebra
    • Place of Presentation
      Institute of Mathematics Hanoi (Vietnam)
    • Year and Date
      20071203-20071207
  • [Presentation] Quasi-socle ideals in local rings with Gorenstein tangent cones2007

    • Author(s)
      後藤四郎・木村了・松岡直之・Tran Thi Phuong
    • Organizer
      第29回可換環論シンポジウム
    • Place of Presentation
      名古屋
    • Year and Date
      20071119-20071122
  • [Presentation] Sally modules of rank one2007

    • Author(s)
      後藤四郎
    • Organizer
      Hilbert functions and syzygies in commutative algebra and conbinatorics: a conference in honor of Juergen Herzog on the occasion of his 65th birthday
    • Place of Presentation
      Cortona (Italy)
    • Year and Date
      20070916-20070922
  • [Presentation] Quasi-socle ideals in a Gorenstein local ring2007

    • Author(s)
      後藤四郎
    • Organizer
      the Conference Homological and Combinatorial Aspects in Commutative Algebra
    • Place of Presentation
      Busteni, Romania
    • Year and Date
      20070705-20070710
  • [Presentation] Quasi-socle ideals in a Gorenstein local ring2007

    • Author(s)
      後藤四郎, 松岡直之, 高橋亮
    • Organizer
      日本数学会秋季年会
    • Place of Presentation
      東北大学
    • Year and Date
      2007-09-23

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Published: 2011-06-18   Modified: 2016-04-21  

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