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Representation Theory of Symmetric Spaces over Finite or Local Fields

Research Project

Project/Area Number 22540017
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionKyoto University

Principal Investigator

KATO Shin-ichi  京都大学, 理学(系)研究科(研究院), 教授 (90114438)

Co-Investigator(Renkei-kenkyūsha) TAKANO Keiji  明石工業高等専門学校, 一般科目, 准教授 (40332043)
Project Period (FY) 2010-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords対称空間 / 表現論 / 簡約群 / 有限体 / 局所体 / 代数群
Research Abstract

We studied representations and harmonic analysis of symmetric spaces associated to reductive groups over finite or p-adic fields as a generalization of the representation theory of these groups. In the case of symmetric spaces over p-adic fields, we succeeded in constructing new examples of relatively cuspidal representations. We established criteria for tempered representations in the form analogous to the case of relatively cuspidal representations or square-integral representations. This is a natural extension of the criteria for group case. In the finite fields case, we studied a construction of relatively cuspidal representations on symmetric spaces by cohomological induction.

Report

(5 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Annual Research Report
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (12 results)

All 2014 2013 2012 2011 2010 Other

All Journal Article (3 results) (of which Peer Reviewed: 1 results) Presentation (9 results)

  • [Journal Article] Discrete series for symmetric spaces over p-adic fields2011

    • Author(s)
      加藤信一,高野啓児
    • Journal Title

      数理解析研究所講究録

      Volume: 1767 Pages: 14-24

    • URL

      http://hdl.handle.net/2433/171452

    • Related Report
      2013 Final Research Report
  • [Journal Article] Discrete series for symmetric spaces over p-adic fields2011

    • Author(s)
      加藤信一・高野啓児
    • Journal Title

      数理解析研究所講究録

      Volume: 1,767 Pages: 14-24

    • Related Report
      2011 Annual Research Report
  • [Journal Article] Square integrability of representations on p-adic symmetric spaces2010

    • Author(s)
      S.Kato and K.Takano
    • Journal Title

      Journal of Functional Analysis

      Volume: 258 Issue: 5 Pages: 1427-1451

    • DOI

      10.1016/j.jfa.2009.10.026

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Presentation] GL(n;F)-distinguished rep- resentations of Res_E/F GL(n)2014

    • Author(s)
      高野啓児
    • Organizer
      Workshop 2014, Structure of L^2(H¥G) --local Galois case--
    • Place of Presentation
      岡山大学理学部
    • Year and Date
      2014-03-29
    • Related Report
      2013 Final Research Report
  • [Presentation] Relative subrepresentation theorem and some related topics2013

    • Author(s)
      高野啓児
    • Organizer
      第16回白馬整数論オータムワークショップ「球等質空間H¥G上の調和解析」
    • Place of Presentation
      白馬ハイマウントホテル
    • Year and Date
      2013-11-09
    • Related Report
      2013 Final Research Report
  • [Presentation] Relatively cuspidal/ dis- crete /tempered representations for sym- metric spaces I, II2013

    • Author(s)
      高野啓児
    • Organizer
      第16回白馬整数論オータムワークショップ「球等質空間H¥G上の調和解析」
    • Place of Presentation
      白馬ハイマウントホテル
    • Year and Date
      2013-11-08
    • Related Report
      2013 Final Research Report
  • [Presentation] 対称空間に付随した表現について2013

    • Author(s)
      加藤信一
    • Organizer
      釧路表現論研究小集会
    • Place of Presentation
      北海道教育大学釧路校
    • Year and Date
      2013-08-22
    • Related Report
      2013 Annual Research Report 2013 Final Research Report
  • [Presentation] Lusztig-Yunによるウェイト重複度公式の(-q)-累次について2012

    • Author(s)
      加藤信一
    • Organizer
      北見代数群セミナー
    • Place of Presentation
      北見工業大学
    • Year and Date
      2012-08-28
    • Related Report
      2013 Final Research Report
  • [Presentation] Relatively cuspidal/discrete/tempered representations for symmetric spaces I , II

    • Author(s)
      高野啓児
    • Organizer
      第16回 白馬整数論オータムワークショップ,「球等質空間 H\G 上の調和解析」
    • Place of Presentation
      白馬ハイマウントホテル
    • Related Report
      2013 Annual Research Report
  • [Presentation] Relative subrepresentation theorem and some related topics

    • Author(s)
      高野啓児
    • Organizer
      第16回 白馬整数論オータムワークショップ,「球等質空間 H\G 上の調和解析」
    • Place of Presentation
      白馬ハイマウントホテル
    • Related Report
      2013 Annual Research Report
  • [Presentation] GL(n;F)-distinguished representations of Res_E/F GL(n)

    • Author(s)
      高野啓児
    • Organizer
      Workshop 2014, Structure of L^2(H\G) --local Galois case--
    • Place of Presentation
      岡山大学理学部
    • Related Report
      2013 Annual Research Report
  • [Presentation] Lusztig-Yun によるウェイト重複度公式の (-q)類似について

    • Author(s)
      加藤信一
    • Organizer
      北見代数群セミナー
    • Place of Presentation
      北見工業大学
    • Related Report
      2012 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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