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Research for the spaces with actions of algebraic groups or Weyl groups

Research Project

Project/Area Number 11640043
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Algebra
Research InstitutionHimeji Institute of Technology

Principal Investigator

SEKIGUCHI Jiro  Faculty of Science Material Science, Himeji Institute of Technology Professor, 理学部, 教授 (30117717)

Co-Investigator(Kenkyū-buntansha) FUKUI Tetsuo  Faculty of Life and Env., Mukogawa Women's Univ. Associate Professor, 生活環境学部, 助教授 (70218890)
MASUDA Kayo  Faculty of Science Material Science, Himeji Institute of Technology Associate Professor, 理学部, 助教授 (40280416)
FUJIWARA Takeshi  Faculty of Science Material Science, Himeji Institute of Technology Associate Professor, 理学部, 助教授 (10202293)
Project Period (FY) 1999 – 2000
Project Status Completed (Fiscal Year 2000)
Budget Amount *help
¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 2000: ¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 1999: ¥1,600,000 (Direct Cost: ¥1,600,000)
Keywordscross ratio / modular form / nilpotent orbit / canonical curve / 2-bundle / affin surface / Jacobian conjecture / electrodynamics / 2-buridle / electro dynonrics / 単純リー環 / ベキ零軌道 / 対称対 / 正20面体 / コード理論
Research Abstract

1. J.Sekiguchi studied the closure ordering of adjoint nilpotent orbits in so(p, q). This research is a joint work with D.Z.Djokovic and N.Lemire and is to appear in Tohoku Math.J.
2. J.Sekiguchi studied solutions of the homogenization of the icosahedral equation introduced by F.Klein. This research is a joint work with E.Bannai, M.Koike and A.Munemasa. A partial result is to appear in Advanced Studies in Pure Math.
3. T.Fujiwara studied the "nef" condition for 2-bundles constructed by the projectified canonical curves in P^3(C).
4. K.Masuda studied the following. Let X be an algebraic surface with A^1_*-fibration defined over C and let ψ be an etale endomorphism of X.Then she showed that ψ becomes an automorphism in several cases. This research is a joint work with M.Miyanishi and is to appear in Math. Annalen.
5. T.Fukui studied wave propagation in linear electrodynamics with Y.N.Obukhov and G.F.Rubilar and the result is to appear in Physical Reviews D.

Report

(3 results)
  • 2000 Annual Research Report   Final Research Report Summary
  • 1999 Annual Research Report

Research Products

(21 results)

All Other

All Publications (21 results)

  • [Publications] J,Sekiguchi: "Configurations of seven lines on the neal projective plane and the root system of type"J.Math.Soc.Japan. 51. 987-1013 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] J.Sekiguchi: "Cross ratio varieties for root systems II"Kyushu Math.J.. 54. 7-37 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] E.Bannai,M.Koike A,Munemasa and J.Selciguchi: "Some results on modular forms"Advances Studies in Pure Math. (出版予定).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] T.Usa: "2-bundles constructedfrom projected canonical curves in p3(C)"Rpt.Sci.H.I.T.. 11. 1-10 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Masuda and M,Miyanishi: "Etale endomorphisms of algebraic surfaces with G_m-actions"Math.Annalen. (出版予定).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y,N.Obukhov,T.Fukui and G F.Rubilar: "Wave proragation in linear electrodynamics"Physical Reviews. (出版予定).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] J.Sekiguchi: "Configurations of seven lines on the real projective plane and the root system of type E_7."J.Math.Soc.Japan. vol.51. 987-1013 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] J.Sekiguchi: "Cross ratio varieties for root systems II."Kyushu Math.. vol.54. 7-37 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] E.Bannai, M.Koike, A.Munemasa and J.Sekiguchi: "Some results on modular forms-Subgroups of the modular group whose ring of modular forms is a polynomial ring."Advanced Studies in Pure Math.. (To appear)in.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] D.Z.Djokovic, N.Lemire and J.Sekiguchi: "The closure ordering of nilpotent orbits in so(p, q)."Tohoku Math.J.. (To appear)in.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] T.Usa: "Notes on formulae for Ogus derivations."Rpt.Sci.H.I.T.. vol.10. 1-15 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] T.Usa: "2-bundles constructed from projected canonical curves in P^3(C)."Rpt.Sci.H.I.T.. vol.11. 1-10 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Masuda and M.Miyanishi: "Etale endomorphisms of algebraic surfaces with G_m-actions."Math.Annalen.. (To appear)in.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Yu.N.Obukhov, T.Fukui, and G.F.Rubilar: "Wave propagation in linear electrodynamics."Phys.Rev.. D62. 044050-1-5 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] E.Bannai,M.Koike,A.Munemasa and J.Sekiguchi: "Some results on modular forms"To appear in Advanced Studies in Pure Mathematics.

    • Related Report
      2000 Annual Research Report
  • [Publications] D.Z.Djokovic,N.Lemire and J.Selciguchi: "The closure ordering of nilpotent orbits in so (p,q)"To appear in Tohoku Mathematical Journal.

    • Related Report
      2000 Annual Research Report
  • [Publications] T.Usa: "2-bundles constructed from projected canonical curves in IP^3 (C)"Rpt.Sci.H.I.T.. 11. 1-10 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] K.masuda and M.Miyanishi: "Etale endomoyshisms of algebraic surfaces with G _m-actions"To appear in Mathematische Annalen.

    • Related Report
      2000 Annual Research Report
  • [Publications] Yu.N.Obukhor,T.Kukui and G.F.Rubilar: "Wave propagation in linear electrodynamics"Physcal Review D. 62. 1-5 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] J.Sekiguchi: "Configurations of seven lines on the real projective plane and the root system of type E_7"Journal of Mathematical Society of Japan. 51. 987-1013 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] J.Sekiguchi: "Cross ratio varieties for root systems II"Kyushu Journal of Mathmatics. (発表予定).

    • Related Report
      1999 Annual Research Report

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Published: 1999-03-31   Modified: 2016-04-21  

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