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Study of the arithmetic and geometry related to the L-functions of algebraic varieties

Research Project

Project/Area Number 18540005
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionHokkaido University of Education

Principal Investigator

GOTO Yasuhiro  Hokkaido University of Education, 教育学部, 准教授 (40312425)

Research Collaborator YUI Noriko  カナダクイーンズ大学, 数理科学研究科, 教授
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥600,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2006: ¥1,300,000 (Direct Cost: ¥1,300,000)
Keywords代数幾何 / 数論 / カラビーヤウ多様体 / ゼータ関数 / L関数 / 形式群 / モジュラリティ / 国際研究者交流 / カナダ / 特異点解消 / 代数学 / 国際情報交換
Research Abstract

重み付きフェルマー型多様体に積, 商, 変形及び特異点解消という操作を施して作られる代数体上の3次元カラビーヤウ多様体を考察し, ゼータ関数を具体的に計算することによってそのL関数を求めた。その結果を用いて, モチーフの観点からモジュラリティの成立する3次元カラビーヤウ多様体を構成した。また, 上記多様体の一部である3次元デルサルト型多様体を正標数の体上で考え, その形式群の高さを求めるアルゴリズムを与えるとともに, 計算機実験により高さの値分布に関する新たな知見を得た。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (13 results)

All 2009 2008 2007 2006 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (11 results) Remarks (1 results)

  • [Journal Article] The L-series of cubic hypersurface fourfolds,"Mirror Symmetry V"(International Press/AMS)2007

    • Author(s)
      Yasuhiro Goto
    • Journal Title

      Appendix B to the paper 'The L-series of Calabi-Yau Orbifolds of CM Type' by N.Yui

      Pages: 239-249

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] Singularities and resolutions2009

    • Author(s)
      Yasuhiro Goto
    • Organizer
      CYMS Seminar
    • Place of Presentation
      Queen's University, カナダ
    • Year and Date
      2009-03-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Singularities and resolutions2009

    • Author(s)
      後藤泰宏
    • Organizer
      Calabi-Yau and Mirror Symmetry Seminar
    • Place of Presentation
      カナダ・クイーンズ大学大学院数理科学研究科
    • Year and Date
      2009-03-10
    • Related Report
      2008 Annual Research Report
  • [Presentation] On the L-series of some Calabi-Yau threefolds over the rationals2009

    • Author(s)
      Yasuhiro Goto
    • Organizer
      Fields Institute weekend workshop on Arithmetic and Geometry of Algebraic Varieties with Special Emphasis on Calabi-Yau Varieties and Mirror Symmetry
    • Place of Presentation
      トロント大学Fields研究所, カナダ
    • Year and Date
      2009-03-08
    • Related Report
      2008 Final Research Report
  • [Presentation] On the L-ries of some Calabi-Yau threefolds over the rationals2009

    • Author(s)
      後藤泰宏
    • Organizer
      Arithmetic and Geometry of Algebraic Varieties with Special Emphasis on Calabi-Yau Varieties and Mirror Symmetry
    • Place of Presentation
      カナダ・トロント大学Fields数理科学研究所
    • Year and Date
      2009-03-08
    • Related Report
      2008 Annual Research Report
  • [Presentation] Zeta-functions and L-series of some K3-fibered Calabi-Yau threefolds2008

    • Author(s)
      Yasuhiro Goto
    • Organizer
      Algebraic Geometry in Positive Characteristics and Related Topics
    • Place of Presentation
      名古屋大学
    • Year and Date
      2008-11-06
    • Related Report
      2008 Final Research Report
  • [Presentation] Zeta-functions and L-series of some K3-fibered Calabi-Yau threefolds2008

    • Author(s)
      後藤泰宏
    • Organizer
      Algebraic Geometry in positive characteristic and related topics
    • Place of Presentation
      名古屋大学大学院多元数理科学研究科
    • Year and Date
      2008-11-06
    • Related Report
      2008 Annual Research Report
  • [Presentation] Zeta-functions and L-series of some Calabi-Yau threefolds2008

    • Author(s)
      Yasuhiro Goto
    • Organizer
      Tsuda College Mini-Workshop on Number Theory and Physics at the Crossroads
    • Place of Presentation
      津田塾大学
    • Year and Date
      2008-08-04
    • Related Report
      2008 Final Research Report
  • [Presentation] Zeta-functions and L-series of some Calabi-Yau threefolds2008

    • Author(s)
      後藤泰宏
    • Organizer
      Tsuda College Mini-Workshop on Number Theory and Physics at the Crossroads
    • Place of Presentation
      津田塾大学大学院数学・計算機科学研究所
    • Year and Date
      2008-08-04
    • Related Report
      2008 Annual Research Report
  • [Presentation] Zeta-functions and L-series of certain Calabi-Yau threefolds2008

    • Author(s)
      Yasuhiro Goto
    • Organizer
      AMS Joint Mathematical Meeting 2008, Modular Forms and Modularity Session
    • Place of Presentation
      サンディエゴ, アメリカ
    • Year and Date
      2008-01-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Zeta-functions and L-series of certain Calabi-Yau threefolds2008

    • Author(s)
      後藤 泰宏
    • Organizer
      AMS Joint Mathematical Meeting 2008, Modular Forms and Modularity Session
    • Place of Presentation
      アメリカ,サンディエゴ,コンベンションセンター
    • Year and Date
      2008-01-07
    • Related Report
      2007 Annual Research Report
  • [Presentation] Formal groups of Calabi-Yau threefolds in positive characteristic2006

    • Author(s)
      Yasuhiro Goto
    • Organizer
      Canadian Mathematical Society Winter 2006 Meeting
    • Place of Presentation
      Toronto, カナダ
    • Year and Date
      2006-12-11
    • Related Report
      2008 Final Research Report
  • [Remarks] 北海道教育大学研究者総覧内の後藤泰宏の項目。

    • URL

      http://kensoran.hokkyodai.ac.jp/

    • Related Report
      2008 Final Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

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