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Arithmetic geometry of the moduli spaces of algebraic curves and abelian varieties, and its applications

Research Project

Project/Area Number 17K05179
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Algebra
Research InstitutionSaga University

Principal Investigator

Ichikawa Takashi  佐賀大学, 理工学部, 教授 (20201923)

Co-Investigator(Kenkyū-buntansha) 庄田 敏宏  関西大学, システム理工学部, 教授 (10432957)
中村 健太郎  佐賀大学, 理工学部, 准教授 (90595993)
Project Period (FY) 2017-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords代数曲線 / アーベル多様体 / モジュライ空間 / リーマン・ロッホ同型写像 / マンフォード曲線 / アーベル微分 / 周期積分 / KP階層 / マンフォード形式 / リーマン面 / アーベル積分 / 代数曲線のモジュライ空間 / 数論幾何 / 数理物理
Outline of Final Research Achievements

Using an explicit formula of abelian differentials on generalized Tate curves, we give infinite product expressions of the Riemann-Roch isomorphism and the Mumford isomorphism defined for families of algebraic curves, and study the degeneration of quasi-periodic solutions of the KP hierarchy with application to its solutions obtained as mixtures of quasi-periodic and soliton solutions. Furthermore, we construct the universal Mumford curve, and show explicit formulas of its (universal) abelian differentials, period integrals and compactified Jacobians. As a nonabelian extension of this result, we give asypmtotic explicit formulas of unipotent peirods using multiple polylogarithm functions and zeta values.

Academic Significance and Societal Importance of the Research Achievements

代数曲線、アーベル多様体のモジュライ空間の数論幾何的研究に新しい知見を与えると共に、弦理論の測度関数、ソリトン方程式、ファインマン積分などの理論物理や数理物理への応用も視野に入れることができた。

Report

(6 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (19 results)

All 2021 2020 2019 2018 2017

All Journal Article (10 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 10 results,  Open Access: 4 results) Presentation (9 results) (of which Int'l Joint Research: 5 results,  Invited: 9 results)

  • [Journal Article] An explicit formula of the normalized Mumford form2021

    • Author(s)
      Takashi Ichikawa
    • Journal Title

      Letters in Mathematical Physics

      Volume: 111 Issue: 1 Pages: 1-13

    • DOI

      10.1007/s11005-020-01339-0

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Chern-Simons invariant and Deligne-Riemann-Roch isomorphism2021

    • Author(s)
      Takashi Ichikawa
    • Journal Title

      Transactions of the American Mathematical Society

      Volume: 374 Issue: 4 Pages: 2987-3005

    • DOI

      10.1090/tran/8320

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A reducibility for a triply periodic minimal surface2019

    • Author(s)
      Toshihiro Shoda
    • Journal Title

      Advanced Studies in Pure Mathematics

      Volume: 82

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Stability of triply periodic minimal surfaces2019

    • Author(s)
      Norio Ejiri, Toshihiro Shoda
    • Journal Title

      Differential Geometry and its Applications

      Volume: 67 Pages: 101555-101555

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Klein's formulas and arithmetic of Teichmueller modular forms2018

    • Author(s)
      Takashi Ichikawa
    • Journal Title

      Proc. Amer. Math. Soc.

      Volume: 146 Issue: 12 Pages: 5105-5112

    • DOI

      10.1090/proc/14244

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] On limits of triply periodic minimal surfaces2018

    • Author(s)
      Ejiri Norio、Fujimori Shoichi、Shoda Toshihiro
    • Journal Title

      Annali di Matematica Pura ed Applicata (1923 -)

      Volume: 197 Issue: 6 Pages: 1739-1748

    • DOI

      10.1007/s10231-018-0746-8

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] On birfurcation and local rigidity of triply periodic minimal surface in R32018

    • Author(s)
      Miyuki Koiso, Paolo Piccione, Toshihiro Shoda
    • Journal Title

      Annales de l'Institut Fourier

      Volume: 68

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] A construction of a two-parameter family of triply periodic minimal surfaces2018

    • Author(s)
      Norio Ejiri, Shoichi Fujimori, Toshihiro Shoda
    • Journal Title

      Kobe Journal of Mathematics

      Volume: 35

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] The Morse index of a triply periodic minimal surface2018

    • Author(s)
      Ejiri Norio、Shoda Toshihiro
    • Journal Title

      Differential Geometry and its Applications

      Volume: 58 Pages: 177-201

    • DOI

      10.1016/j.difgeo.2018.01.006

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Local epsilon isomorphisms for rank two p-adic representations of Gal(\bar{Q}_p/Q_p) and a functional equation of Kato's Euler system2017

    • Author(s)
      Kentaro Nakamura
    • Journal Title

      Cambridge Journal of Mathematics

      Volume: 5 Issue: 3 Pages: 281-368

    • DOI

      10.4310/cjm.2017.v5.n3.a1

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Periods of generalized Tate curves2020

    • Author(s)
      市川尚志
    • Organizer
      リーマン面に関連する位相幾何学
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] Laplacian の第一固有値の上限を与える閉曲面上の計量について2018

    • Author(s)
      庄田 敏宏
    • Organizer
      京都大学数理研研究集会「部分多様体の幾何学の深化と展開」
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] Construction of zeta element for rank two universal deformation2018

    • Author(s)
      Kentaro Nakamura
    • Organizer
      Iwasawa Theory and Related Topics (University of Heidelberg)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Construction of zeta element for rank two universal deformation2018

    • Author(s)
      Kentaro Nakamura
    • Organizer
      Japan-Taiwan Joint Conference on Number Theory 2018(長崎五島カンパーナホテル)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Construction of zeta element for rank two universal deformation2018

    • Author(s)
      Kentaro Nakamura
    • Organizer
      p-adic cohomology and arithmetic geometry(東北大学)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Construction of zeta element for rank two universal deformation2018

    • Author(s)
      中村 健太郎
    • Organizer
      代数的整数論とその周辺(RIMS)
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] Examples of Teichmueller modular forms2018

    • Author(s)
      Takashi Ichikawa
    • Organizer
      Branched Coverings, Degenerations, and Related Topics 2018
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Chern-Simons invariant, Deligne-Riemann-Roch isomorphism and Liouville action2017

    • Author(s)
      市川尚志
    • Organizer
      リーマン面に関連する位相幾何学
    • Related Report
      2017 Research-status Report
    • Invited
  • [Presentation] Ruelle zeta values and the Deligne-Riemann-Roch isomorphism2017

    • Author(s)
      Takashi Ichikawa
    • Organizer
      Zeta functions and trace formulas in Fukuoka
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited

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Published: 2017-04-28   Modified: 2023-01-30  

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