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2000 Fiscal Year Final Research Report Summary

Geometry of webs, Hamiltonian systems and complex dynamics

Research Project

Project/Area Number 10440014
Research Category

Grant-in-Aid for Scientific Research (B).

Allocation TypeSingle-year Grants
Section一般
Research Field Geometry
Research InstitutionOchanomizu University (1999-2000)
Hokkaido University (1998)

Principal Investigator

NAKAI Isao  Ochanomizu University, Faculty of Science, Professor, 理学部, 教授 (90207704)

Co-Investigator(Kenkyū-buntansha) SATO Hajime  Nagoya University, Graduate School of Mathematics, Profe, 大学院・多元数理科学研究科, 教授 (30011612)
YOSHINO Masatomi  Chuo University, Faculty of Economics, Professor, 経済学部, 教授 (00145658)
SUWA Tatsuo  Hokkaido University, Graduate School of Science, Professor, 大学院・理学研究科, 教授 (40109418)
MATSUMOTO Shigenori  Nihon University, College of Science and Technology, Professor, 理工学部, 教授 (80060143)
KIKKAWA Michihika  Shimane University, President, 学長 (70032430)
Project Period (FY) 1998 – 2000
KeywordsWEB / Foliation / Complex dynamics / Quasi group / Caustics / Chern connection / difraction / co-tidal
Research Abstract

We defined a canonical affine connection for integrable first order partial differential equations of finite type, and investigated its singularities along the locus where the foliation structure of solutions degenerates. We proved there exists one to one correspondence of the moduli space of equations and the space of curvature forms in some cases. We proved also the triangulability of the mapping cylinder of generic smooth mappings of manifolds. As an application we proved a naturality formula of the stiefel-homology functor of constructible functions on manifolds to homology classes.

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] I.Nakai: "Web geometry and the equivalence problem of first order differential equations"Web geometry and related topics, world Scientific. (in press).

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Takebe: "Wess-Zumino-Witten model on elliptic corves at the critical level"J.Phys.A. (To appear). (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Majima: "Quadratic Relations for confluent Hypergeometric Functions"Tohoku Math.J.. 52. 489-513 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Yoshino: "Global solvability of Monge Ampere type equations"Comm.Partial Differential equations. 25. 1925-1950 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Sato: "Integrability of Contact Schwarzian derivativer and its linearization"Geometry, Integrability and Quantization Cord Press. 225-228 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Sowa: "Nash residne of Singular holomorphic foliations"Asian J.Math. (in press). (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] I.Nakai: "Web geometry and the equivalence Problem of first order differential equations"Web geometry and related topics, World Scientific. (in Press).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Takebe: "Wess-Zomino-Witten model on elliptic Corves at the Critical Level"J.Phys.A. (To appear in 2001).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Majima: "Quadratic Relations' for Confluent Hypergeometric Functions"Tohoku Math.J.. 52. 489-513 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Yoshino: "Global Solvability of Monge-Ampere type equations"Comm.Partial Differential equations. 25. 1925-1950 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Sato: "Integrability of Contact Schwarzian derivations and its linearization"Geometry, Integrability and Quantization, Coral Press. 225-228 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Suwa: "Nash residne and Singular holomorphic foliations"Asian J.Math. (in press).

    • 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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