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2000 Fiscal Year Final Research Report Summary

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
Keywordscross ratio / modular form / nilpotent orbit / canonical curve / 2-bundle / affin surface / Jacobian conjecture / electrodynamics
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.

  • Research Products

    (14 results)

All Other

All Publications (14 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
  • [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
  • [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
  • [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
  • [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
  • [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
  • [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
  • [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
  • [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
  • [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
  • [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
  • [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
  • [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
  • [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

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Published: 2002-03-26  

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