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Super-groups and super-geometry from Hopf-algebraic view-point

Research Project

Project/Area Number 17K05189
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Algebra
Research InstitutionUniversity of Tsukuba

Principal Investigator

MASUOKA AKIRA  筑波大学, 数理物質系, 教授 (50229366)

Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywordsスーパー・ホップ代数 / スーパー代数群 / スーパー・リー群 / ホップ代数 / スーパー幾何学 / スーパー・リー代数 / スーパー・スキーム / スーパー解析多様体 / ハリシュ・チャンドラ対 / スーパースキーム
Outline of Final Research Achievements

Seven papers were published from international scientific journals, two of which resulted from international joint research. There were presented three lectures, which include one invited lecture at an international conference.
Obtained were fundamental results on algebraic supergroups and super Lie groups. Hopf-algebraic idea and techniques were applied. Among others, the PI concretely constructed the quotient superscheme G/H of an algebraic supergroup G by a closed super-subgroup H, and showed desirable properties of the superscheme; the result contributes much to representation theory of algebraic supergroups. Pursuing an analytic analogue of the algebraic argument brought some new results on homogeneous superspaces G/H of super Lie groups.

Academic Significance and Societal Importance of the Research Achievements

スーパー幾何学は、スーパー・ストリング理論のインパクトから再び興味を呼んでいる研究分野ではあるが、一般論が十分整備されているとは言えず、膨大な数の文献の中には信頼できないものも多い。研究代表者は、この状況を打開する目的で、ホップ代数のアイデアとテクニックを応用して、当該一般論を展開する基本的方法を提示した。それは、通常の(非スーパー)コンテクストにおける議論を踏襲・一般化するのではなく、それに帰着させる方法であって、目的はある程度達成できたと思う。

Report

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

    (13 results)

All 2021 2020 2019 2018 2017 Other

All Int'l Joint Research (1 results) Journal Article (7 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 6 results,  Open Access: 2 results,  Acknowledgement Compliant: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results,  Invited: 2 results) Remarks (1 results) Funded Workshop (1 results)

  • [Int'l Joint Research] Sobolev Institute of Mathematics(ロシア連邦)

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Geometric construction of quotients in super-symmetry2021

    • Author(s)
      Akira Masuoka, Yuta Takahashi
    • Journal Title

      Transformation Groups

      Volume: 26 Issue: 1 Pages: 347-375

    • DOI

      10.1007/s00031-020-09583-3

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Twisted forms of differential Lie algebras over C(t) associated with complex simple Lie algebras2021

    • Author(s)
      Akira Masuoka, Yuta Shimada
    • Journal Title

      Arnold Mathematical Journal

      Volume: 7 Issue: 1 Pages: 107-134

    • DOI

      10.1007/s40598-020-00155-7

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hopf-algebraic techniques applied to super Lie groups over a complete field2020

    • Author(s)
      Mitsukazu Hoshi, Akira Masuoka, Yuta Takahashi
    • Journal Title

      Journal of Algebra

      Volume: 562 Pages: 28-93

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On the notion of Krull super-dimension2020

    • Author(s)
      Akira Masuoka, Alexadr Zubkov
    • Journal Title

      Journal of Pure and Applied Algebra

      Volume: 224 Issue: 5 Pages: 106245-106274

    • DOI

      10.1016/j.jpaa.2019.106245

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] On functor points of affine supergroups2018

    • Author(s)
      Akira Masuoka, Taiki Shibata
    • Journal Title

      Journal of Algebra

      Volume: 503 Pages: 534-572

    • DOI

      10.1016/j.jalgebra.2018.02.002

    • NAID

      120007133902

    • Related Report
      2018 Research-status Report 2017 Research-status Report
  • [Journal Article] Solvability and nilpotency for algebraic supergroups2017

    • Author(s)
      Akira Masuoka, Alexandr N. Zubkov
    • Journal Title

      Journal of Pure and Applied Algebra

      Volume: 221 Issue: 2 Pages: 339-365

    • DOI

      10.1016/j.jpaa.2016.06.012

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Algebraic supergroups and Harish-Chandra pairs over a commutative ring2017

    • Author(s)
      MASUOKA, Akira, SHIBATA, Taiki
    • Journal Title

      Transactions of American Mathematical Society

      Volume: 369 Issue: 5 Pages: 3443-3481

    • DOI

      10.1090/tran/6751

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] Geometric construction of G/H in supersymmetry2018

    • Author(s)
      増岡彰
    • Organizer
      第51回環論および表現論シンポジューム
    • Related Report
      2018 Research-status Report
  • [Presentation] デサントから見た微・差分ガロア理論2018

    • Author(s)
      増岡彰
    • Organizer
      Functional Equations and Transcendence
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] Survey on Hopf crossed products2018

    • Author(s)
      Akira Masuoka
    • Organizer
      Joint Mathematics Meetings 2018, MAA, AMS
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Remarks] Akira Masuoka

    • URL

      https://sites.google.com/site/akira298math/home

    • Related Report
      2020 Annual Research Report 2019 Research-status Report
  • [Funded Workshop] Hopf-algebra conference in Tsukuba 20192019

    • Related Report
      2018 Research-status Report

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Published: 2017-04-28   Modified: 2022-01-27  

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