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2012 Fiscal Year Final Research Report

Representation theory of algebraic groups, quantum groups and Hecke algebras

Research Project

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Project/Area Number 20244001
Research Category

Grant-in-Aid for Scientific Research (A)

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

Principal Investigator

SHOJI Toshiaki  名古屋大学, 多元数理科学研究科, 名誉教授 (40120191)

Co-Investigator(Kenkyū-buntansha) OKADA Soichi  名古屋大学, 大学院・多元数理科学研究科, 教授 (20224016)
IYAMA Osamu  名古屋大学, 大学院・多元数理科学研究科, 教授 (70347532)
ISHI Hideyuki  名古屋大学, 大学院・多元数理科学研究科, 准教授 (00326068)
KOMORI Ysushi  立教大学, 理学部数学科, 准教授 (80343200)
MIYACHI Hyoe  大阪市立大学, 大学院・理学研究科, 准教授 (90362227)
NAGAO Kentaro  名古屋大学, 大学院・多元数理科学研究科, 助教 (10585574)
Co-Investigator(Renkei-kenkyūsha) MIYACHI Hyoe  大阪市立大学, 大学院・理学研究科, 准教授 (90362227)
SHINODA Ken-ichi  上智大学, 理工学部, 名誉教授 (20053712)
TANISAKI Toshiyuki  大阪市立大学, 大学院・理学研究科, 教授 (70142916)
KANEDA Masaharu  大阪市立大学, 大学院・理学研究科, 教授 (60204575)
ATIKI Susumu  大阪市立大学, 大学院・理学研究科, 教授 (40212641)
WADA Kentaro  信州大学, 理学部, 助教 (60583862)
Project Period (FY) 2008 – 2012
Keywords有限簡約群 / 複素鏡映群 / 指標層 / 対称空間 / Kostka多項式
Research Abstract

Proved the Springer correspondence between the intersection cohomologies arising from the exotic nilpotent cone and irreducible characters of Weyl groups of type C. By using this, proved the conjecture of Achar-Henderson concerning with Poincare polynomials of such intersection cohomologies.

  • Research Products

    (35 results)

All 2013 2012 2011 2010 2009 2008

All Journal Article (20 results) (of which Peer Reviewed: 19 results) Presentation (15 results)

  • [Journal Article] Exotic sym metric space over a finite field.2013

    • Author(s)
      T. Shoji and K. Sorlin
    • Journal Title

      Transformation Groups

      Volume: Vol. 18

    • Peer Reviewed
  • [Journal Article] Periodicities of T-systems and Y-systems, Dilogarithm Identities, and Cluster Algebras I:type B_r.2013

    • Author(s)
      R. Inoue, O. Iyama , B. Keller, A. Kuniba and T. Nakanishi.
    • Journal Title

      Publ. Res. Inst. Math. Sci.

      Volume: Vol.49 Pages: 1-48

    • Peer Reviewed
  • [Journal Article] Iwaoris's question for affine Hecke algebras.2012

    • Author(s)
      T. Shoji and N. Xi
    • Journal Title

      Contemporary Math.

      Volume: Vol. 565 Pages: 243-259

    • Peer Reviewed
  • [Journal Article] Preprojective algebras and c-sortable words.2012

    • Author(s)
      C. Aimot, O. Iyama, I. Reiten and G. Todorov
    • Journal Title

      Porc. London Math. Soc

      Volume: Vol. 104 Pages: 513-539

    • Peer Reviewed
  • [Journal Article] Kahler immersions of homogeneous Kahler manifolds into complex space forms. Asian2012

    • Author(s)
      S. Di, J. Antonio, H. Ishi and A. Loi
    • Journal Title

      J. Math.

      Volume: 16 Pages: 479-787

    • Peer Reviewed
  • [Journal Article] Derived categories of small toric Calabi-Yau 3-folds and curve counting invariants. Q.2012

    • Author(s)
      J. Math.
    • Journal Title

      J. Math.

      Volume: 63 Pages: 965-1007

    • Peer Reviewed
  • [Journal Article] Motivic Donaldson-Thomas invariants of the conifold and the refined topological vertex.2012

    • Author(s)
      A. Morisson, S. Mozgovoy, K. Nagao and B. Szendroi
    • Journal Title

      Adv. Math.

      Volume: 230 Pages: 2065-2093

    • Peer Reviewed
  • [Journal Article] Cluster tilting for higher Auslander algebras.2011

    • Author(s)
      O. Iyama
    • Journal Title

      Adv. Math

      Volume: 226 Pages: 1-61

    • Peer Reviewed
  • [Journal Article] Unitary holomorphic multiplier representations over a homogeneous bounded domain.2011

    • Author(s)
      H. Ishi
    • Journal Title

      Adv. Pure Appl. Math.

      Volume: 2 Pages: 405-419

    • Peer Reviewed
  • [Journal Article] Decomposition matrices for d-Harish-Chandra series; the exceptional rank two cases.2011

    • Author(s)
      M. Chlouveraki and H. Miyachi
    • Journal Title

      LMS. J. Comput. Math.

      Volume: 14 Pages: 271-290

    • Peer Reviewed
  • [Journal Article] Counting invariant of perverse coherent sheaves and its wall-crossing.2011

    • Author(s)
      K. Nagao and H. Nakajima
    • Journal Title

      Int. Math. Res. Not.

      Volume: Vol. 2011 Pages: 3885-3938

  • [Journal Article] Cyclotomic Q-Schur algebras associated to the Ariki-Koike algebra.2010

    • Author(s)
      T. Shoji and K. Wada
    • Journal Title

      Representation Theory.

      Volume: 14 Pages: 379-416

    • Peer Reviewed
  • [Journal Article] Periodicities of T-systems and Y-systems.2010

    • Author(s)
      R. Inoue, O. Iyama, A. Kuniba, T. Nakanishi and J. Suzuki
    • Journal Title

      Nagoya Math. J.

      Volume: 197 Pages: 59-174

    • Peer Reviewed
  • [Journal Article] (q,t)-deformations of multivariate hook product formulas.2010

    • Author(s)
      S. Okada
    • Journal Title

      J. Algebraic Combin.

      Volume: 32 Pages: 399-416

    • Peer Reviewed
  • [Journal Article] Runner removal Morita equivalences.2010

    • Author(s)
      J. Chuang and H. Miyachi
    • Journal Title

      Progr. Math.

      Volume: 84 Pages: 55-79

    • Peer Reviewed
  • [Journal Article] Cluster structures for 2-Calabi -Yau categories and unipotent groups.2009

    • Author(s)
      A.B. Buan, O. Iyama, I. Reiten and J. Scott
    • Journal Title

      Compos. Math.

      Volume: 145 Pages: 1035-1079

    • Peer Reviewed
  • [Journal Article] Fomin-Zelevin -sky mutation and tilting modules over Calabi-Yau algebras.2008

    • Author(s)
      Iyama and I. Reiten
    • Journal Title

      Amer. J. math

      Volume: 130 Pages: 1087-1149

    • Peer Reviewed
  • [Journal Article] Cluster tilting for onedimensional hypersurface singularities2008

    • Author(s)
      I. Burdan, O. Iyama, B. Keller and I. Reiten
    • Journal Title

      Adv. Math

      Volume: 217 Pages: 2443-2484

    • Peer Reviewed
  • [Journal Article] Instanton calculus and chiral one-point functions in supersymmetric gauge theories.2008

    • Author(s)
      S. Fjii, H. Kanno, S. Moriyama and S. Okada
    • Journal Title

      Adv. Theor. Math. Physics.

      Volume: 12 Pages: 1401-1428

    • Peer Reviewed
  • [Journal Article] Rouquier blocks in Chevalley groups of type E.2008

    • Author(s)
      H. Miyachi
    • Journal Title

      Adv. Math.

      Volume: 217 Pages: 2841-2871

    • Peer Reviewed
  • [Presentation] Character sheaves on an exotic symmetric space2013

    • Author(s)
      T. Shoji
    • Organizer
      Conference in memory of Tony A. Springer
    • Place of Presentation
      Hong Kong University of Science and Technology, Hong Kong
    • Year and Date
      2013-01-05
  • [Presentation] Gindikin-Wallach set for a homogeneous cone2012

    • Author(s)
      H. Ishi
    • Organizer
      Workshop on Harmonic analysis and probabilities.
    • Place of Presentation
      Angers, France
    • Year and Date
      2012-09-04
  • [Presentation] Symmetric functions and branching rules for spinor represent-ations2012

    • Author(s)
      S. Okada
    • Organizer
      2012 Shanghai conference on algebraic combinatorics.
    • Place of Presentation
      Shanghai Jiaotong University, Shanghai, China
    • Year and Date
      2012-08-18
  • [Presentation] Character sheaves on a symmetric space and Kostka polynomials2012

    • Author(s)
      T. Shoji
    • Organizer
      MSJ-SI 2012
    • Place of Presentation
      Schubert calculus, 大阪市立大学
    • Year and Date
      2012-07-27
  • [Presentation] Donaldson-Thomas theory and mapping class group2012

    • Author(s)
      K. Nagao
    • Organizer
      Workshop on geometry of derived categories and representation theory. Northwestern University
    • Place of Presentation
      Boston, USA.
    • Year and Date
      2012-05-03
  • [Presentation] Two parameter deformations of multivariate hook product formulae2011

    • Author(s)
      S. Okada
    • Organizer
      International conference on Asymptotics and special functions.
    • Place of Presentation
      City University of Hong Kong. Hong Kong
    • Year and Date
      2011-06-01
  • [Presentation] Tilting and cluster tilting for stable categories of Cohen-Macaulay modules2011

    • Author(s)
      O. Iyama
    • Organizer
      Workshop on matrix factorization
    • Place of Presentation
      University of Bielefeld, Germany
    • Year and Date
      2011-05-07
  • [Presentation] On the Wallach set for a homogeneous bounded domain2011

    • Author(s)
      H. Ishi
    • Organizer
      Workshop on Recent developments in harmonic analysis and their applications.
    • Place of Presentation
      Marrakech
    • Year and Date
      2011-04-28
  • [Presentation] Motivic Donaldson-Thomas invariants and wall-crossing2011

    • Author(s)
      K. Nagao
    • Organizer
      Workshop on derived categories. Newton Institute for mathematical Sciences
    • Place of Presentation
      Cambridge, U.K.
    • Year and Date
      2011-04-16
  • [Presentation] Character sheaves associated to the enhanced nilpotent cone2011

    • Author(s)
      T. Shoji
    • Organizer
      Workshop on Chevalley groups, reflections groups, braid groups.
    • Place of Presentation
      Les Houches, France.
    • Year and Date
      2011-01-27
  • [Presentation] Cluster transformations and their quantization2010

    • Author(s)
      K. Nagao
    • Organizer
      Japan-China workshop on geometry.
    • Place of Presentation
      Xi-an, China.
    • Year and Date
      2010-09-07
  • [Presentation] The enhanced nilpotent cone and the Kostka functions associated to complex reflection groups2010

    • Author(s)
      T. Shoji
    • Organizer
      iated to complex reflection groups. The 5th international conference on represent-ation theory.
    • Place of Presentation
      Xi-an, China
    • Year and Date
      2010-08-14
  • [Presentation] Symmetric functions and spinor representations2010

    • Author(s)
      S. Okada
    • Organizer
      Workshop on Whittaker functions, Crystal bases and quantum groups. Banff Center
    • Place of Presentation
      Banff, Canada.
    • Year and Date
      2010-06-10
  • [Presentation] Stable categories of Cohen-Macaulay modules and cluster categories2010

    • Author(s)
      O. Iyama
    • Organizer
      Workshop on interactions between algebraic geometry and non commutative algebra.
    • Place of Presentation
      Oberwolfach Institute. Germany.
    • Year and Date
      2010-05-14
  • [Presentation] A compound determinant identity and its application2009

    • Author(s)
      S. Okada
    • Organizer
      Joint meeting of KMS and AMS, Special session of algebraic combinatorics. Ewha Womans University
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2009-12-16

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Published: 2014-08-29  

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