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2008 Fiscal Year Final Research Report

Affine quotient maps and invariant differential operators

Research Project

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Project/Area Number 17340037
Research Category

Grant-in-Aid for Scientific Research (B)

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

Principal Investigator

NISHIYAMA Kyo  Kyoto University, 大学院・理学研究科, 准教授 (70183085)

Co-Investigator(Kenkyū-buntansha) KATO Shinichi  京都大学, 大学院・理学研究科, 教授 (90114438)
MATSUKI Toshihiko  京都大学, 大学院・理学研究科, 教授 (20157283)
KIKUCHI Katsuhiko  京都大学, 大学院・理学研究科, 助教 (50283586)
Co-Investigator(Renkei-kenkyūsha) OHTA Takuya  東京電機大学, 工学部, 教授 (30211791)
OCHIAI Hiroyuki  名古屋大学, 大学院・多元数理研究科, 教授 (90214163)
KOBAYASHI Toshiyuki  東京大学, 数理科・学研究科, 教授 (80201490)
SEKIGUCHI Jiro  東京農工大学, 大学院・共生科学技術研究院, 教授 (30117717)
YAMASHITA Hiroshi  北海道大学, 大学院・理学研究院, 教授 (30192793)
WACHI Akihito  北海道工業大学, 創生工学部, 准教授 (30337018)
Research Collaborator SOOTECK Lee  シンガポール国立大学, 理学部, 准教授
PETER Trapa  ユタ大学, 数学教室, 准教授
Project Period (FY) 2005 – 2008
Keywordsアフィン商多様体 / 不変式論 / ユニタリ表現 / 冪零軌道
Research Abstract

図形や空間の対称性は群の作用によって記述される。この研究では空間の対称性が二つの群の可換な作用で記述されている時に、二つの作用に対応する二種類の不変量(距離やエネルギー、角度などに相当する幾何学的不変量)がどのように関係するのかを、不変式論や表現論を用いて研究した。空間の対称性が良い場合に、群軌道、空間上の関数空間や群の作用で不変な微分作用素たちの間に対応がある(テータ対応・カペリ恒等式)ことを明らかにしたのが主要な結果である。

  • Research Products

    (52 results)

All 2009 2008 2007 2006 2005 Other

All Journal Article (17 results) (of which Peer Reviewed: 17 results) Presentation (34 results) Remarks (1 results)

  • [Journal Article] A note on the Capelli identities for symmetric pairs of Hermitian type2009

    • Author(s)
      Kyo Nishiyama and Akihito Wachi
    • Journal Title

      in Proceedings of "Infinite Dimensional Harmonic Analysis IV"edited by Joachim Hilgert et. al.

      Pages: 223-254

    • Peer Reviewed
  • [Journal Article] An inclusion between sets of orbits and surjectivity of the restriction map of rings of invariants2008

    • Author(s)
      Ohta, Takuya
    • Journal Title

      Hokkaido Math. J 37, no.3

      Pages: 437-454

    • Peer Reviewed
  • [Journal Article] Intersection of harmonics and Capelli identities for symmetric pairs2008

    • Author(s)
      Lee, Soo Teck, Nishiyama, Kyo, Wachi, Akihito
    • Journal Title

      J. Math. Soc. Japan 60, no.4

      Pages: 955-982

    • Peer Reviewed
  • [Journal Article] Subrepresentation theorem for $p$-adic symmetric spaces2008

    • Author(s)
      Kato, Shin-ichi ; Takano, Keiji
    • Journal Title

      Int. Math. Res. Not. IMRN no.11, ID rnn028

      Pages: 40

    • Peer Reviewed
  • [Journal Article] Multiplicity- free theorems of the restrictions of unitary highest weight modules with respect to reductive symmetric pairs2008

    • Author(s)
      Kobayashi, Toshiyuki
    • Journal Title

      Representation theory and automorphic forms 255

      Pages: 45-109

    • Peer Reviewed
  • [Journal Article] 階数3のmultiplicityfree作用に関する不変式と不変微分作用素2008

    • Author(s)
      菊地克彦
    • Journal Title

      数理解析研究所講究録別冊 B7

      Pages: 101-120

    • Peer Reviewed
  • [Journal Article] Equivalence of domains arising from duality of orbits on flag manifolds2007

    • Author(s)
      Matsuki, Toshihiko
    • Journal Title

      III.Trans. Amer. Math. Soc. 359, no.10

      Pages: 4773-4786

    • Peer Reviewed
  • [Journal Article] Visible actions on symmetric spaces2007

    • Author(s)
      Kobayashi, Toshiyuki
    • Journal Title

      Transform. Groups 12, no. 4

      Pages: 671-694

    • Peer Reviewed
  • [Journal Article] Theta lifting of nilpotent orbits for symmetric pairs2006

    • Author(s)
      Nishiyama, Kyo, Ochiai, Hiroyuki, Zhu, Chen-Bo
    • Journal Title

      Trans. Amer. Math. Soc. 358, no.6

      Pages: 2713-2734

    • Peer Reviewed
  • [Journal Article] Central elements in the universal enveloping algebras for the split realization of the orthogonal Lie algebras2006

    • Author(s)
      Wachi, Akihito
    • Journal Title

      Lett. Math. Phys. 77, no.2

      Pages: 155-168

    • Peer Reviewed
  • [Journal Article] Equivalence of domains arising from duality of orbits on flag manifolds2006

    • Author(s)
      Matsuki, Toshihiko
    • Journal Title

      II. Proc. Amer. Math. Soc. 134, no.12

      Pages: 3423-3428

    • Peer Reviewed
  • [Journal Article] Equivalence of domains arising from duality of orbits on flag manifolds2006

    • Author(s)
      Matsuki, Toshihiko
    • Journal Title

      Trans. Amer. Math. Soc. 358, no.5

      Pages: 2217-2245

    • Peer Reviewed
  • [Journal Article] A note on affine quotients and equivariant double fibrations2005

    • Author(s)
      Nishiyama, Kyo
    • Journal Title

      Infinite dimensional harmonic analysis III

      Pages: 197-212

    • Peer Reviewed
  • [Journal Article] Nilpotent orbits of Z_4-graded Lie algebra and geometry of moment maps associated to the dual pair (U(p, q), U(r, s))2005

    • Author(s)
      Ohta, Takuya
    • Journal Title

      Publ. Res. Inst. Math. Sci 41, no.3

      Pages: 723-756

    • Peer Reviewed
  • [Journal Article] A remark on Schubert cells and the duality of orbits on flat manifolds2005

    • Author(s)
      Gindikin, Simon, Matsuki, Toshihiko
    • Journal Title

      J. Math. Soc. Japan 57, no.1

      Pages: 157-165

    • Peer Reviewed
  • [Journal Article] Isotropy repre-sentation for Harish-Chandra modules2005

    • Author(s)
      Yamashita, Hiroshi
    • Journal Title

      Infinite dimensional harmonic analysis III

      Pages: 325-351

    • Peer Reviewed
  • [Journal Article] Multiplicity-free representations and visible actions on complex manifolds2005

    • Author(s)
      Kobayashi, Toshiyuki
    • Journal Title

      Publ. Res. Inst. Math. Sci 41, no.3

      Pages: 497-549

    • Peer Reviewed
  • [Presentation] The number of nilpotent orbits for symmetric pairs2009

    • Author(s)
      Akihito Wachi
    • Organizer
      The 8th Workshop on Nilpotent Orbits and Representation Theory
    • Place of Presentation
      滋賀県大津市
    • Year and Date
      20090300
  • [Presentation] Saito free divisors and integrable connections2009

    • Author(s)
      Jiro Sekiguchi
    • Organizer
      微分方程式のモノドロミーをめぐる諸問題
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      20090203-06
  • [Presentation] Unitary reflection groups and uniformization differential equations2009

    • Author(s)
      Jiro Sekiguchi
    • Organizer
      「微分方程式と対称空間」大島利雄先生還暦記念研究集会
    • Place of Presentation
      東京大学
    • Year and Date
      20090113-16
  • [Presentation] 旗多様体の直積上の軌道の有限性について I, II2009

    • Author(s)
      落合啓之・西山享
    • Organizer
      2009日本数学会年会
    • Place of Presentation
      東京大学駒場
    • Year and Date
      2009-03-28
  • [Presentation] Analysis and geometry on homogeneous spaces2009

    • Author(s)
      Toshihiko Matsuki
    • Organizer
      微分方程式と対称空間・大島利雄先生還暦記念研究集会
    • Place of Presentation
      東京大学大学院数理科学研究科
    • Year and Date
      2009-01-14
  • [Presentation] Sp(n)の可約なmultiplicity-free 作用に関する不変式と不変微分作用素2008

    • Author(s)
      菊地克彦, 反橋拓朗
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      東京工業大学
    • Year and Date
      20080924-27
  • [Presentation] Symmetric pair and orbits on the flag variety 1-62008

    • Author(s)
      Kyo Nishiyama
    • Organizer
      Summer School on Lie Theory
    • Place of Presentation
      NCTS (National Center for Theoretical Science), NCKU (National Cheng-Kung University)
    • Year and Date
      20080811-19
  • [Presentation] Geometric invariants associated with the discrete series representations2008

    • Author(s)
      Hiroshi Yamashita
    • Organizer
      NCTS 2008 Winter Workshop on Representation Theory
    • Place of Presentation
      National Center for Theoretical Sciences, Taiwan.
    • Year and Date
      20080126-29
  • [Presentation] Introduction to the geometry of Kc-orbits on the flag varieties and nilpotent orbits I, II2008

    • Author(s)
      Kyo Nishiyama
    • Organizer
      NCTS Winter Workshop on Representation Theory
    • Place of Presentation
      NCTS, National Tsing-Hua University, Hsinchu, Taiwan
    • Year and Date
      20080126-28
  • [Presentation] 半単純軌道の漸近錐と退化主系列表現2008

    • Author(s)
      西山享
    • Organizer
      RIMS研究集会「表現論と非可換調和解析における新しい視点」
    • Place of Presentation
      数理解析研究所420号室
    • Year and Date
      2008-09-16
  • [Presentation] Asymptotic cone of semisimple orbit for symmetric pairs2008

    • Author(s)
      Kyo Nishiyama
    • Organizer
      Analysis X-Representation Theory-
    • Place of Presentation
      IUC, Dubrovnik, Croatia
    • Year and Date
      2008-07-01
  • [Presentation] Duality of orbits on flag manifolds and Stein extensions of symmetric spaces2008

    • Author(s)
      Toshihiko Matsuki
    • Organizer
      日露ワークショップHarmonicanalysis on homogeneous spaces andquantization
    • Place of Presentation
      Russia
    • Year and Date
      2008-02-19
  • [Presentation] あるベキ零的群作用に対する不変式環2007

    • Author(s)
      落合啓之
    • Organizer
      2007年度表現論ワークショップ
    • Place of Presentation
      名古屋大学
    • Year and Date
      20071225-27
  • [Presentation] Representations of reductive groups and invariant theory/Affinequotients and the Correspondence of orbits2007

    • Author(s)
      Kyo Nishiyama
    • Organizer
      International conference on Recent Advances in Mathematics and its applications
    • Place of Presentation
      Dept of Math, KU Post Graduate Center, Belgaum, Karnataka INDIA
    • Year and Date
      20070927-29
  • [Presentation] Saito free divisors arizing from some of 14 exceptional families of Arnol'd2007

    • Author(s)
      J. Sekiguchi
    • Organizer
      International conference Analysis and Geometry on Complex Varieties
    • Place of Presentation
      Krasnoyarsk, Russia
    • Year and Date
      20070815-20
  • [Presentation] Nilpotent Orbits and Associated Cycles for Unitary Highest Weight Representations 1-82007

    • Author(s)
      Kyo Nishiyama, Hiroshi Yamashita
    • Organizer
      2007 Nankai Summer School on Representation Theory and Harmonic Analysis
    • Place of Presentation
      中国 南開大学 Chern Institute of Mathematics
    • Year and Date
      20070614-23
  • [Presentation] 北部研究集会「リー群とリー代数の表現論」2007

    • Author(s)
      落合啓之
    • Organizer
      北海道大学
    • Place of Presentation
      北海道大学
    • Year and Date
      20070306-09
  • [Presentation] Resolution of null fibers and closed orbits on partial flag varieties2007

    • Author(s)
      Kyo Nishiyama
    • Organizer
      Bstable ideals and nilpotent orbits
    • Place of Presentation
      INDAM, University of Rome 1, Italy
    • Year and Date
      2007-10-09
  • [Presentation] Isotropy representations and Howe duality correspondence2007

    • Author(s)
      Hiroshi Yamashita
    • Organizer
      Conference on Infinite- Dimensional Harmonic Analysis
    • Place of Presentation
      University of Tokyo
    • Year and Date
      2007-09-10
  • [Presentation] Generalized Schubert cells and the complex crown2007

    • Author(s)
      Toshihiko Matsuki
    • Organizer
      玉原ワークショップ2007 Geometry and representations in Lie theory
    • Place of Presentation
      東京大学玉原セミナーハウス
    • Year and Date
      2007-08-21
  • [Presentation] ベキ零軌道の関口対応2006

    • Author(s)
      落合啓之
    • Organizer
      Encounter with Mathematics 38「幾何学と表現論-Kostant-関口対応をめぐって」
    • Place of Presentation
      中央大学
    • Year and Date
      20061208-09
  • [Presentation] ベキ零軌道の魅力2006

    • Author(s)
      関口次郎
    • Organizer
      第38回Encounter with Mathematics "幾何学と表現論"
    • Place of Presentation
      中央大学
    • Year and Date
      20061200
  • [Presentation] 階数3 のmultiplicity- free 空間上の不変式と不変微分作用素2006

    • Author(s)
      菊地克彦
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      大阪市立大学
    • Year and Date
      20060919-22
  • [Presentation] Capelli identities for symmetric pairs2006

    • Author(s)
      Akihito Wachi
    • Organizer
      Representation Theory and Prehomogeneous Vector Spaces
    • Place of Presentation
      IRMA, Strasbourg
    • Year and Date
      20060900
  • [Presentation] Lie algebras of logarithmic free divisors and curves with simple singularities2006

    • Author(s)
      Jiro Sekiguchi
    • Organizer
      Workshop "Represen- tations of Quivers, Singularities and Lie Theory"
    • Place of Presentation
      Morningside Center of Mathematics, Chinese Academy of Sciences, China
    • Year and Date
      20060900
  • [Presentation] Weighted homogeneous Saito singularities in three dimensional space2006

    • Author(s)
      Jiro Sekiguchi
    • Organizer
      Joint RFBR-JSPS Symposium "Geometry and Analysis on Complex Algebraic Varieties"
    • Place of Presentation
      Moscow Independent University, Russia
    • Year and Date
      20060800
  • [Presentation] 低階数のmultiplicity-free作用に関する不変式2006

    • Author(s)
      菊地克彦
    • Organizer
      2005年度表現論ワークショップ
    • Place of Presentation
      横浜市立大学
    • Year and Date
      20060329-31
  • [Presentation] A conormal bundle on flag varieties--construction of invariants2006

    • Author(s)
      Hiroyuki Ochiai
    • Organizer
      Topics in the Geometry of Flag Varieties and Representation Theory
    • Place of Presentation
      京都大学
    • Year and Date
      20060321-23
  • [Presentation] Resolution of the null fiber and conormal bundles of closed orbits on a flag variety2006

    • Author(s)
      Kyo Nishiyama
    • Organizer
      Representation Theory and Prehomogeneous Vector Spaces
    • Place of Presentation
      IRMA, Strasbourg, France
    • Year and Date
      2006-09-13
  • [Presentation] 旗多様体上の軌道対応とリーマン対称空間のスタイン拡張2006

    • Author(s)
      松木敏彦
    • Organizer
      第53回幾何学シンポジウム
    • Place of Presentation
      金沢大学
    • Year and Date
      2006-08-06
  • [Presentation] Capelli identities for symmetric pairs2005

    • Author(s)
      Akihito Wachi
    • Organizer
      SNU-HU 3rd Joint Symposium on Mathematics
    • Place of Presentation
      ソウル大学
    • Year and Date
      20051000
  • [Presentation] 表現の次数とshifted Schur2005

    • Author(s)
      落合啓之
    • Organizer
      RIMS共同研究「Capelli恒等式の新局面」
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      20050905-09
  • [Presentation] 旗多様体上の余法束の概均質性と不変式2005

    • Author(s)
      落合啓之
    • Organizer
      Integral transformations on homogeneous spaces
    • Place of Presentation
      玉原国際セミナーハウス
    • Year and Date
      2005-08-24
  • [Presentation] 旗多様体上の軌道対応に関する領域の同一性IIの補足2005

    • Author(s)
      松木敏彦
    • Organizer
      数理解析研究所研究集会
    • Place of Presentation
      数理解析研究所
    • Year and Date
      2005-07-25
  • [Remarks] 山下博述, 阿部紀行記 : 簡約リー群の表現と冪零軌道 (Representations and nilpotent orbits of reductive Lie groups. Communicated by T. Oshima), Lecture Notes in Mathematical Sciences vol.3, 東京大学数理科学研究科.

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Published: 2010-06-10   Modified: 2016-04-21  

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