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2009 Fiscal Year Final Research Report

Modern study on homogeneous spaces and unitary representations via duality

Research Project

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Project/Area Number 18204008
Research Category

Grant-in-Aid for Scientific Research (A)

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

Principal Investigator

YAMASHITA Hiroshi  Hokkaido University, 大学院・理学研究院, 教授 (30192793)

Co-Investigator(Kenkyū-buntansha) YOSHIDA Tomoyuki  北海道大学, 大学院・理学研究院, 教授 (30002265)
YAMAGUCHI Keizo  北海道大学, 大学院・理学研究院, 教授 (00113639)
SAITO Mutsumi  北海道大学, 大学院・理学研究院, 准教授 (70215565)
SHIBUKAWA Youichi  北海道大学, 大学院・理学研究院, 准教授 (90241299)
TACHIZAWA Kazuya  北海道大学, 大学院・理学研究院, 准教授 (80227090)
KAWAZOE Takeshi  慶應義塾大学, 総合政策学部, 教授 (90152959)
MATUMOTO Hisayosi  東京大学, 大学院・数理科学研究科, 准教授 (50272597)
TANIGUCHI Kenji  青山学院大学, 理工学部, 准教授 (20306492)
WACHI Akihito  北海道教育大学, 教育学部, 准教授 (30337018)
NISHIYAMA Kyo  青山学院大学, 理工学部, 教授 (70183085)
MATSUKI Toshihiko  京都大学, 大学院・理学研究科, 教授 (20157283)
SEKIGUCHI Jiro  東京農工大学, 大学院・共生科学技術研究部, 教授 (30117717)
ISHI Hideyuki  名古屋大学, 大学院・多元数理科学研究科, 准教授 (00326068)
SHIMENO Nobukazu  関西学院大学, 理工学部, 教授 (60254140)
Co-Investigator(Renkei-kenkyūsha) MORITA Hideaki  室蘭工業大学, 大学院・工学研究科, 准教授 (90435412)
Research Collaborator HIRAI Takeshi  京都大学, 名誉教授 (70025310)
Project Period (FY) 2006 – 2009
Keywords半単純リー群 / ユニタリ表現 / 冪零軌道 / 幾何学的不変量 / Howe双対性 / Whittaker模型 / 旗多様体 / 微分方程式系
Research Abstract

We have aimed at new development of representation theory of semisimple Lie groups and harmonic analysis on homogeneous spaces, by focusing our attention to various duality concerning representations and group orbits. Among other things, the Howe duality correspondence has been clearly understood in connection with generalized Whittaker models and isotropy representations for unitary highest weight modules. We have studied geometric invariants for discrete series and degenerate principal series representations. Significant achievements of this research projectinclude complex analytic continuation of the Matsuki duality on flag variety, classification of homomorphisms between generalized Verma modules, and numbers of contributions by other related researches.

  • Research Products

    (18 results)

All 2009 2008 2007 Other

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (5 results) Book (1 results) Remarks (7 results)

  • [Journal Article] A note on Howe duality correspondence and isotropy representations for unitary lowest weight modules of Mp(n, R)2009

    • Author(s)
      Noriyuki Abe, Hiroshi Yamashita
    • Journal Title

      Journal of Lie Theory 19

      Pages: 671-683

    • Peer Reviewed
  • [Journal Article] Kyo Nishiyama and Akihito Wachi, Intersection of harmonics and Capelli identities for symmetric pairs2008

    • Author(s)
      Soo Teck Lee
    • Journal Title

      J. Math. Soc. Japan 60

      Pages: 955-982

    • Peer Reviewed
  • [Journal Article] Equivalence of domains arising from duality of orbits on flag manifolds III2007

    • Author(s)
      Toshihiko Matsuki
    • Journal Title

      Transactions of American Mathematical Society 359

      Pages: 4773-4786

    • Peer Reviewed
  • [Journal Article] Derived functor modules arising as large irreducible constituents of degenerate principal series2007

    • Author(s)
      Hisayosi Matumoto
    • Journal Title

      Compositio Math. 143

      Pages: 222-256

    • Peer Reviewed
  • [Journal Article] Dynamical Yang-Baxter maps with an invariance condition2007

    • Author(s)
      Youichi Shibukawa
    • Journal Title

      Publications of the Research Institute for Mathematical Sciences 43

      Pages: 1157-1182

    • Peer Reviewed
  • [Presentation] Generalized Whittaker models for Harish-Chandra modules2009

    • Author(s)
      Hiroshi Yamashita
    • Organizer
      2009 Nankai summer school, Representation Theory and Harmonic Analysis
    • Place of Presentation
      Nankai Univ., China
    • Year and Date
      20090600
  • [Presentation] Unitary reflection groups and uniformization differential equations, Conference in honor of Professor Toshio Oshima's 60th birthday2009

    • Author(s)
      Jiro Sekiguchi
    • Organizer
      Differential Equations and Symmetric Spaces
    • Place of Presentation
      Univ. of Tokyo, Japan
    • Year and Date
      2009-01-14
  • [Presentation] Asymptotic cone of semisimple orbit for symmetric pairs2008

    • Author(s)
      Kyo Nishiyama
    • Organizer
      Functional Analysis X: Representation Theory
    • Place of Presentation
      Croatia
    • Year and Date
      2008-07-01
  • [Presentation] Matrix T-algebras and Jordan algebras, Hermitian Symmetric Spaces2008

    • Author(s)
      Hideyuki Ishi
    • Organizer
      Jordan Algebras and related problems
    • Place of Presentation
      Luminy, France
    • Year and Date
      2008-06-23
  • [Presentation] Critical modules of rings of differential operators of affine semigroup algebras2008

    • Author(s)
      Mutsumi Saito
    • Organizer
      AMS central sectional meeting, special session on D-modules
    • Place of Presentation
      Indiana Univ., USA
    • Year and Date
      2008-04-05
  • [Book] 簡約リー群の表現と冪零軌道2008

    • Author(s)
      山下博(述),阿部紀行(記)
    • Total Pages
      80
    • URL

      http://www.ms.u-tokyo.ac.jp/publication/lecturenote.html

  • [Remarks] NORThern workshop on Representation Theory of Lie Groups and Lie Algebras

    • URL

      http://www.math.sci.hokudai.ac.jp/coe/sympo/070306/

  • [Remarks] Representation Theory, Systems of Differential Equations and their Related Topics

    • URL

      http://www.math.sci.hokudai.ac.jp/coe/sympo/070702/index.html

  • [Remarks] 第46回実関数論・函数解析学合同シンポジウム

    • URL

      http://mathsoc.jp/section/fctanalysis/2007.html

  • [Remarks] Sapporo Lectures on Representations in Lie Theory: An introduction and the beyond

    • URL

      http://www.math.sci.hokudai.ac.jp/coe/sympo/070827/index.html

  • [Remarks] 北海道大学数学公開講演会

    • URL

      http://www.math.sci.hokudai.ac.jp/coe/sympo/070828/index.html

  • [Remarks] 「表現論シンポジウム」講演集の電子化・公開

    • URL

      http://www.math.sci.hokudai.ac.jp/coe/sympo/psrt/

  • [Remarks] The 9th workshop on Nilpotent Orbits and Representation Theory

    • URL

      http://www.math.sci.hokudai.ac.jp/sympo/100219/index_en.html

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Published: 2011-06-18   Modified: 2016-04-21  

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