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Characters of groups and algebras as special functions and their applications

Research Project

Project/Area Number 24740033
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Algebra
Research Institution防衛大学校(総合教育学群、人文社会科学群、応用科学群、電気情報学群及びシステム工学群)

Principal Investigator

MIZUKAWA Hiroshi  防衛大学校(総合教育学群、人文社会科学群、応用科学群、電気情報学群及びシステム工, その他部局等, 准教授 (60531762)

Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords指標の理論 / 帯球関数 / 対称関数 / 分割恒等式 / 直交多項式 / 代数学 / 表現論 / 組合せ論 / 指標 / 確率論 / 有限群の表現論
Outline of Final Research Achievements

In this study, some results are obtained by using the orthogonality of group or algebra characters. First result is related to stochastic models called Poker-dice game and Ehrenfest's urn model. Their ergodic properties and cut-off phenomenons are analyzed by using representation theoretical method. Second result is a formula on certain algebraic relations of Schur functions. Some formulas are proved by the representation of an affine Lie algebra and the theory of the symmetric functions. Furthermore the representation theoretic meaning of these formulas is revealed. The last result is a combinatorial formula of (class) regular partitions. The relation between the product of all parts of the class regular partitions and that of multiplicities are given.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (11 results)

All 2014 2013 2012 Other

All Journal Article (2 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (8 results) (of which Invited: 4 results) Remarks (1 results)

  • [Journal Article] Schur function identities arising from the basic representation of $A^{(2)}_{2}$2014

    • Author(s)
      H. Mizukawa, T. Nakajima, R. Seno and H.-F. Yamada
    • Journal Title

      Letters in Mathematical Physics

      Volume: 104 Issue: 10 Pages: 1317-1331

    • DOI

      10.1007/s11005-014-0717-y

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Poker dice game and multivariate Krawtchouk polynomials2013

    • Author(s)
      水川裕司
    • Journal Title

      数理解析研究所講究録

      Volume: 1870 Pages: 16-24

    • Related Report
      2013 Research-status Report
  • [Presentation] r-正則分割の組合せ論2014

    • Author(s)
      水川裕司,山田裕史
    • Organizer
      組合せ論的表現論と表現論的組合せ論
    • Place of Presentation
      京都大学
    • Year and Date
      2014-10-30
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] 分割恒等式と対称群の指標表2014

    • Author(s)
      水川裕司,山田裕史
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      広島大学
    • Year and Date
      2014-09-26
    • Related Report
      2014 Annual Research Report
  • [Presentation] Schur function identities arising from the basic representation of A^(2)_22013

    • Author(s)
      水川裕司,中島達洋,山田裕史
    • Organizer
      表現論と組合せ論
    • Place of Presentation
      京都大学
    • Related Report
      2013 Research-status Report
  • [Presentation] A^(2)_2の基本表現から得られるシューア関数の恒等式2013

    • Author(s)
      水川裕司,中島達洋,山田裕史
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      愛媛大学
    • Related Report
      2013 Research-status Report
  • [Presentation] Interactions between Ehrenfest's urns arising from group actions2013

    • Author(s)
      Hiroshi Mizukawa
    • Organizer
      International workshop on Noncommutative analysis and its future prospectives
    • Place of Presentation
      北海道生大学
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] 環積が作用する確率モデルと多変数 Krawtchouk 多項式2012

    • Author(s)
      水川裕司
    • Organizer
      数理解析研究所 表現論セミナー
    • Place of Presentation
      数理解析研究所
    • Related Report
      2012 Research-status Report
    • Invited
  • [Presentation] Multivariate Krawtchouk Polynomials2012

    • Author(s)
      Hiroshi Mizukawa
    • Organizer
      FoPSAaC
    • Place of Presentation
      名古屋大学
    • Related Report
      2012 Research-status Report
    • Invited
  • [Presentation] Poker dice game and multivariate Krawtchouk polynomials2012

    • Author(s)
      水川裕司
    • Organizer
      Combinatorial Representation Theory and Related Topics
    • Place of Presentation
      数理解析研究所
    • Related Report
      2012 Research-status Report
  • [Remarks] research gate

    • URL

      https://www.researchgate.net/profile/Hiroshi_Mizukawa?ev=hdr_xprf

    • Related Report
      2013 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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