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Study on the structures and representations of infinite dimensional algebraic groups and Lie algebras, and applications to quasiperiodic structures

Research Project

Project/Area Number 26400005
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

MORITA Jun  筑波大学, 数理物質系, 教授 (20166416)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsalgebraic group / Lie algebra / aperiodic structure / 代数群 / リー代数 / 準周期構造 / 単純群 / シュアー乗法因子群 / 分類問題 / 同型問題 / ルート系 / 建物理論 / 表現 / 非周期構造
Outline of Final Research Achievements

The structures and representations of Kac-Noody groups as infinite dimensional algebraic groups are studied. In particular, the so-called simplicity problem is studied. In fact, the simplicity of some rank two Kac-Moody groups is established. On the other hand, the classification of locally extended affine Lie algebras is studied. Especially the classification problem, the maximality problem and the minimality problem are studied for locally affine Lie algebras. Furthermore, quasiperiodic and aperiodic structures are studied. And also associated algebraic structures are studied. In particular, using their representations, algorithms and programs are newly refined,

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (13 results)

All 2017 2016 2015 2014 Other

All Int'l Joint Research (5 results) Journal Article (3 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 3 results,  Acknowledgement Compliant: 3 results) Presentation (4 results) (of which Int'l Joint Research: 4 results,  Invited: 4 results) Remarks (1 results)

  • [Int'l Joint Research] Saint Petersburg University(ロシア連邦)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] Bar-Ilan University(Israel)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] Xiamen University(China)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] Bar-Ilan University(Israel)

    • Related Report
      2015 Research-status Report
  • [Int'l Joint Research] Heinrich-Heine-Universitaet(Germany)

    • Related Report
      2015 Research-status Report
  • [Journal Article] Locally loop algebras and locally affine Lie algebras2015

    • Author(s)
      Jun Morita, Yoji Yoshii
    • Journal Title

      Journal of Algebra

      Volume: 440 Pages: 379-442

    • DOI

      10.1016/j.jalgebra.2015.05.018

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Word maps in Kac-Moody setting2015

    • Author(s)
      Elena Klimenko, Boris Kunyavskii, Jun Morita, Eugene Plotkin
    • Journal Title

      Toyama Mathematical Journal

      Volume: 37 Pages: 25-54

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Simplicity of some twin tree automorphism groups with trivial commutation relations2014

    • Author(s)
      Jun Morita, Bertrand Remy
    • Journal Title

      Canad. Math. Bull.

      Volume: 57 Pages: 390-400

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Lac-Moody groups, simple groups and Schur multipliers2017

    • Author(s)
      Jun Morita
    • Organizer
      Japan-Korea Workshop on Algebras and Combinatorics
    • Place of Presentation
      Kusunoki Hall, Kumamoto University, Kumamoto City, Kumamoto Prefecture, Japan
    • Year and Date
      2017-02-09
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] LTR to Kac-Moody groups2016

    • Author(s)
      Jun Morita
    • Organizer
      Summer Seminar on Lie Algebras
    • Place of Presentation
      Kyoiku Gakubu 2nd Building, Iwate University, Morioka City, Iwate Prefecture, Japan
    • Year and Date
      2016-08-26
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Tits systems, Kac-Moody groups and their applications2016

    • Author(s)
      Jun Morita
    • Organizer
      The 7th International Conference on Representation Theory
    • Place of Presentation
      Xiamen University, Xiamen, China
    • Year and Date
      2016-07-18
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Some topics on Kac-Moody groups2016

    • Author(s)
      Jun Morita
    • Organizer
      Infinite Dimensional Lie (Super)algebras and Their Representations
    • Place of Presentation
      University of Isfahan, Isfahan, Iran
    • Year and Date
      2016-05-25
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Remarks] WELCOME TO MORITA'S HOME PAGE

    • Related Report
      2016 Annual Research Report

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Published: 2014-04-04   Modified: 2022-02-16  

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