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2003 Fiscal Year Final Research Report Summary

Synthetic studies of foliations and discrete group actions

Research Project

Project/Area Number 13304005
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Geometry
Research InstitutionNihon University

Principal Investigator

MATSUMOTO Shigenori  Nihon University, College of Science and Technology, Professor, 理工学部, 教授 (80060143)

Co-Investigator(Kenkyū-buntansha) TSUBOI Takashi  University of Tokyo, Graduate school of Mathematical Sciences, Professor, 大学院・数理科学研究科, 教授 (40114566)
MORITA Shigeyuki  University of Tokyo, Graduate school of Mathematical Sciences, Professor, 大学院・数理科学研究科, 教授 (70011674)
INABA Takashi  Chiba University, Graduate school of Natural Sciences, Professor, 大学院・自然科学研究科, 教授 (40125901)
KANAI Masahiko  Nagoya University, Graduate school of Mathematics, Professor, 大学院・多元数理研究科, 教授 (70183035)
NAKAYAMA Hiromichi  Hiroshima University, Faculty of Integate Sciences, Assistant Professor, 総合科学部, 助教授 (30227970)
Project Period (FY) 2001 – 2003
Keywordsfoliations / locally free lie group actions / foliated cohomology / parameter rigidity / horocycle flow / Ruelle invariant / unique ergodicity / minimal set
Research Abstract

The purpose of this project is to study the geometic and dynamical properties of foliations, or more generally, of discrete group actions. Throughout the project, we have obtained the following results.
1.When a solvable Lie group G acts on a closed manifold M, it determines the orbit foliation. Assume another G action on M with the same orbit foliation is given. We consider the problem whether or not the two actions are C^∞ conjugate up to an isomorphism of G. We interpreted this problem in terms of the foliated cohomology of the orbit foliations, and gave some examples of actions for which this problem has a positive answer.
2.Some groups of the sense preserving diffeomorphisms of the closed interval are shown to be perfect. The examples are, the group of Lipschitz homeomorphism, the group of C^∞ diffeomorphisms which are C^∞ tangent to the identity at the end points, and the group of C^1 diffeomorphisms C^1 tangent to the identity at the end points.
3.Suppose two codimension one foliations on a closed 3-manifold intersect transversely. Can it possible to isotope one foliation so that it is also tangent to the other, but in a different way? We considered this problem and have shown that the stable and unstable foliations of the suspension flow of hyperbolic toral automorphisms have unique intersection property, but those of geodesic flows of hyperbolic surfaces have not.

  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] 松元重則: "Leafwise cohomology and rigidity of certain Lie group actions"Ergodic Theory and Dynamical Systems. 23. 1839-1866 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 稲葉尚志: "Open Engel manifolds admitting compact characteristic leaves"Bulletin of the Australian Mathematical Society. 68. 213-219 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 稲葉尚志: "Invariant fiber measures of angular flows and the Ruelle invariant"Journal of the Mathematical Society of Japan. 56. 17-29 (2004)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 森田茂之: "Generators of the tautologous algebras of the moduli spaces of curves"Topology. 42. 787-819 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 坪井俊: "Regular projective Anosov flows on the Seifert fibered spaces"Journal of the Mathematical Society of Japan. (to appear).

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 松元重則: "On the global rigidity of split Anosov IR^n-actions"Journal of the Mathematical Society of Japan. 55. 39-46 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 松元重則: "Affine flows on 3-manifolds"American Mathematical Society. 93 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Matsumoto: "Leafwise cohomology of certain Lie group actions"Ergodic Theory and Dynamical Systems. 23. 1839-1866 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Inaba: "Open Engel manifolds admitting compact charactaristic leaves"Bulletine of the Australian Mathematical Society. 68. 213-219 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Inaba: "Invariant fiber measures of angular flows and the Ruelle invariant"Journal of the Mathematical Society of Japan. 56. 17-29 (2004)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Morita: "Generators for the tautologous algebra of the moduli space of curves"Topology. 42. 787-819 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Tsuboi: "Regular projective Anosov flows on the Seiferl fibered spaces"Journal of the Mathematical Society of Japan. (to appear).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Matsumoto: "On the global rigidity of split Anosov R^n-actions"Journal of the Mathematical Society of Japan. 55. 39-46 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Matsumoto: "Affine flows on 3-manifolds"Memoirs of the American Mathematical Societies. 771. 94 (2003)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2005-04-19  

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