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Modular invariant theory of finite cyclic groups

Research Project

Project/Area Number 22740009
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Algebra
Research InstitutionShizuoka University

Principal Investigator

TANIMOTO Ryuji  静岡大学, 教育学部, 准教授 (20547062)

Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Keywordsモジュラー不変式論 / 計算不変式論 / グレブナー基底 / 有限巡回群
Research Abstract

We studied computational algebraic methods in modular invarianttheory of finite cyclic groups, and we constructed the following algorithms. We constructed, via defining a Reynolds-like operator, an algorithm for computing generators of modular invariant rings of cyclic groups of prime order. Furthermore, given a polynomial ring over a field of positive characteristic pand an automorphism of order pof the polynomial ring, we constructed the image membership algorithm for the twisted derivation associated with the automorphism

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (25 results)

All 2013 2012 2011 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (22 results)

  • [Journal Article] Representations of G_ of codimension two2013

    • Author(s)
      Edited by Kayo Masuda, Hideo Kojima and Takashi Kishimoto
    • Journal Title

      Affine Algebraic Geometry

      Pages: 279-284

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] The image membership algorithm for twisted derivations in modular invariant theory2012

    • Author(s)
      谷本 龍二
    • Journal Title

      Saitama Mathematical Journal

      Volume: 29 Pages: 55-64

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] The image membership algorithm for twisted derivations in modular invariant theory2012

    • Author(s)
      Ryuji Tanimoto
    • Journal Title

      Saitama Mathematical Journal

      Volume: 29

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Presentation] 対称式の第一基本定理から計算不変式論へ2013

    • Author(s)
      谷本 龍二
    • Organizer
      長岡高専数学談話会
    • Place of Presentation
      長岡工業高等専門学校
    • Year and Date
      2013-03-08
    • Related Report
      2012 Final Research Report
  • [Presentation] ねじれ微分の像への所属判定アルゴリズムについて2012

    • Author(s)
      谷本 龍二
    • Organizer
      第10回アフィン代数幾何学研究集会
    • Place of Presentation
      関西学院大学
    • Year and Date
      2012-09-06
    • Related Report
      2012 Final Research Report
  • [Presentation] 素数位数の自己同型に付随するねじれ微分の像について2012

    • Author(s)
      谷本 龍二
    • Organizer
      第2回多項式環論セミナー
    • Place of Presentation
      静岡大学
    • Year and Date
      2012-08-21
    • Related Report
      2012 Final Research Report
  • [Presentation] The image membership algorithm for twisted derivations in modular invariant theory2012

    • Author(s)
      谷本 龍二
    • Organizer
      グレブナー若手集会
    • Place of Presentation
      慶應義塾大学
    • Year and Date
      2012-07-14
    • Related Report
      2012 Final Research Report
  • [Presentation] On modular invariants of p-cyclic groups2012

    • Author(s)
      谷本 龍二
    • Organizer
      第9回アフィン代数幾何学研究集会
    • Place of Presentation
      関西学院大学
    • Year and Date
      2012-03-14
    • Related Report
      2012 Final Research Report
  • [Presentation] On modular invariants of p-cyclic groups2012

    • Author(s)
      谷本龍二
    • Organizer
      第9回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1405教室
    • Year and Date
      2012-03-14
    • Related Report
      2011 Annual Research Report
  • [Presentation] 有限巡回群の計算不変式論(II)2012

    • Author(s)
      谷本 龍二
    • Organizer
      グレブナー若手集会
    • Place of Presentation
      静岡大学
    • Year and Date
      2012-02-17
    • Related Report
      2012 Final Research Report
  • [Presentation] 有限巡回群の計算不変式論(I)2012

    • Author(s)
      谷本 龍二
    • Organizer
      グレブナー若手集会
    • Place of Presentation
      静岡大学
    • Year and Date
      2012-02-17
    • Related Report
      2012 Final Research Report
  • [Presentation] 有限巡回群の計算不変式論(I)2012

    • Author(s)
      谷本龍二
    • Organizer
      グレブナー若手集会
    • Place of Presentation
      静岡大学理学部C棟215
    • Year and Date
      2012-02-17
    • Related Report
      2011 Annual Research Report
  • [Presentation] 有限巡回群の計算不変式論(II)2012

    • Author(s)
      谷本龍二
    • Organizer
      グレブナー若手集会
    • Place of Presentation
      静岡大学理学部C棟215
    • Year and Date
      2012-02-17
    • Related Report
      2011 Annual Research Report
  • [Presentation] Computational invariant theory for cyclic groups2011

    • Author(s)
      谷本 龍二
    • Organizer
      射影多様体の幾何とその周辺 2011
    • Place of Presentation
      高知大学
    • Year and Date
      2011-11-03
    • Related Report
      2012 Final Research Report
  • [Presentation] Computational invariant theory for cyclic groups2011

    • Author(s)
      谷本龍二
    • Organizer
      射影多様体の幾何とその周辺2011
    • Place of Presentation
      高知大学理学部数学大セミナー室
    • Year and Date
      2011-11-03
    • Related Report
      2011 Annual Research Report
  • [Presentation] Wild p-cyclic group actions on algebras over fields of positive characteristic p2011

    • Author(s)
      谷本 龍二
    • Organizer
      第8回アフィン代数幾何学研究集会
    • Place of Presentation
      関西学院大学
    • Year and Date
      2011-09-02
    • Related Report
      2012 Final Research Report
  • [Presentation] Wild p-cyclic group actions on algebras over fields of positive characteristic p2011

    • Author(s)
      谷本龍二
    • Organizer
      第8回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1405教室
    • Year and Date
      2011-09-02
    • Related Report
      2011 Annual Research Report
  • [Presentation] 有限群の計算不変式論2011

    • Author(s)
      谷本 龍二
    • Organizer
      第1回多項式環論セミナー
    • Place of Presentation
      静岡県コンベンションアーツセンター
    • Year and Date
      2011-08-11
    • Related Report
      2012 Final Research Report
  • [Presentation] 有限群の計算不変式論2011

    • Author(s)
      谷本龍二
    • Organizer
      第1回多項式環論セミナー
    • Place of Presentation
      静岡県コンベンションアーツセンター会議室903
    • Year and Date
      2011-08-11
    • Related Report
      2011 Annual Research Report
  • [Presentation] 正標数のアフィン空間へのG_ 作用について2011

    • Author(s)
      谷本 龍二
    • Organizer
      第16回代数学若手研究会
    • Place of Presentation
      筑波大学
    • Year and Date
      2011-03-08
    • Related Report
      2012 Final Research Report
  • [Presentation] 正標数のアフィン空間へのG_a作用について2011

    • Author(s)
      谷本龍二
    • Organizer
      第16回代数学若手研究会
    • Place of Presentation
      筑波大学(茨城県)
    • Year and Date
      2011-03-08
    • Related Report
      2010 Annual Research Report
  • [Presentation] The image membership algorithm for twisted derivations in modular invariant theory

    • Author(s)
      谷本 龍二
    • Organizer
      グレブナー若手集会
    • Place of Presentation
      慶應義塾大学 矢上キャンパス14棟(創想館) 631A/B室 (神奈川県)
    • Related Report
      2012 Annual Research Report
  • [Presentation] 素数位数の自己同型に付随するねじれ微分の像について

    • Author(s)
      谷本 龍二
    • Organizer
      第2回多項式環論セミナー
    • Place of Presentation
      静岡大学 教育学部 I棟412室 (静岡県)
    • Related Report
      2012 Annual Research Report
  • [Presentation] ねじれ微分の像への所属判定アルゴリズムについて

    • Author(s)
      谷本 龍二
    • Organizer
      第10回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 1405教室 (大阪府)
    • Related Report
      2012 Annual Research Report
  • [Presentation] 対称式の第一基本定理から計算不変式論へ

    • Author(s)
      谷本 龍二
    • Organizer
      長岡高専数学談話会
    • Place of Presentation
      長岡工業高等専門学校 420講義室 (新潟県)
    • Related Report
      2012 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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