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2010 Fiscal Year Final Research Report

Induction and restriction of representations

Research Project

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Project/Area Number 20540194
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Basic analysis
Research InstitutionKinki University

Principal Investigator

FUJIWARA Hidenori  Kinki University, 産業理工学部, 教授 (50108643)

Research Collaborator ALI Baklouti  SFAX大学(TUNISIA), 理学部, 教授
JEAN Ludwig  METZ大学(FRANCE), 理学部, 教授
Project Period (FY) 2008 – 2010
Keywordsリー群 / 可解リー群 / 冪零リー群 / ユニタリ表現 / 軌道の方法 / Plancherel公式 / 誘導表現 / 既約分解
Research Abstract

In a field of pure mathematics called representation theory of Lie groups, I carried out for exponential solvable Lie groups, where the exponential map is a diffeomorphism from Lie algebra onto Lie group, a research related to the irreducible decomposition of induced representation from a 1-dimensional unitary character of a subgroup (monomial representation) and obtained the following results.
1. If the multiplicity of a monomial representation in its irreducible decomposition is of discrete type, we could describe explicitly its Plancherel formula and show the commutativity of the associated algebra of invariant differential operators. We also found a negative example on a certain problem of Duflo.
2. Gathering the results obtained until now by Grants-in-Aid for Scientific Research, I published a research book entitled "Unitary representations of exponential solvable Lie groups"(Sugaku-shobo, 2010, 352 pages).

  • Research Products

    (6 results)

All 2010 2009 2008

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (3 results) Book (1 results)

  • [Journal Article] Harmonic analysis related to unitary representations of exponential solvable Lie groups : Orbit method2010

    • Author(s)
      H.Fujiwara
    • Journal Title

      Sugaku Expositions AMS 23

      Pages: 169-187

    • Peer Reviewed
  • [Journal Article] A variant of the Frobenius reciprocity for restricted representations on nilpotent Lie groups dans 《Infinite Dimensional Harmonic Analysis IV》2008

    • Author(s)
      Baklouti, H. Fujiwara, J. Ludwig
    • Journal Title

      World Scientific Publishing Co.

      Pages: 13-31

    • Peer Reviewed
  • [Presentation] Monomial representations with multiplicities of discrete type2009

    • Author(s)
      H.Fujiwara
    • Organizer
      日本・チュニジア研究集会
    • Place of Presentation
      Sfax
    • Year and Date
      20091100
  • [Presentation] On polynomial conjectures2008

    • Author(s)
      H.Fujiwara
    • Organizer
      Workshop Analysis, Geometry and Group Representations for Homogeneous Spaces
    • Place of Presentation
      Leiden
    • Year and Date
      20081100
  • [Presentation] Monomial representations of exponential solvable Lie groups2008

    • Author(s)
      H.Fujiwara
    • Organizer
      CIRM
    • Place of Presentation
      Marseille
    • Year and Date
      20081100
  • [Book] 指数型可解リー群のユニタリ表現-軌道の方法2010

    • Author(s)
      藤原英徳
    • Total Pages
      336
    • Publisher
      数学書房

URL: 

Published: 2012-01-26   Modified: 2016-04-21  

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