• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

1998 Fiscal Year Final Research Report Summary

Mathematical problems on manifolds

Research Project

Project/Area Number 07404001
Research Category

Grant-in-Aid for Scientific Research (A)

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

Principal Investigator

ODA Tadao  Graduate School of Science, Tohoku University, Professor, 大学院・理学研究科, 教授 (60022555)

Co-Investigator(Kenkyū-buntansha) TAKAGI Izumi  Graduate School of Science, Tohoku University, Professor, 大学院・理学研究科, 教授 (40154744)
ISHIDA Masanori  Graduate School of Science, Tohoku University, Professor, 大学院・理学研究科, 教授 (30124548)
NISHIKAWA Seiki  Graduate School of Science, Tohoku University, Professor, 大学院・理学研究科, 教授 (60004488)
SUNADA Toshikazu  Graduate School of Science, Tohoku University, Professor, 大学院・理学研究科, 教授 (20022741)
MORITA Yasuo  Graduate School of Science, Tohoku University, Professor, 大学院・理学研究科, 教授 (20011653)
Project Period (FY) 1995 – 1998
Keywordstoric variety / intersection cohomology / fundamental group / Laplacian / discrete spectrum / reaction-diffusion equation / Kaehler manifold / conformally flat manifold
Research Abstract

Through close contact and discussion among the investigators, comprehensive study was made on various problems on manifolds.
1. Toric varieties were studied from the aspects of algebraic geometry, algebraic analysis and differential geometry, and new results were obtained on intersection cohomology, morphisms to toric varieties, classification of toric Fano manifolds and Einstein-Kaehler metrics.
2. Arithmetic varieties were studies, and new results were obtained on rational points on Abelian surfaces, the Tate conjecture on the second etale cohomology, crystal fundamental group and rho-adic Hodge theory.
3. Rigidity results were obtained for non-Archimedean varieties.
4. Various new results were obtained on the global analysis, hyperbolic geometry and fundamental groups of differentiable manifolds, Riemannian manifolds, and conformally flat manifolds.
5. Laplacian and Schroedinger operators were studies from the viewpoint of analysis and mathematical physics, and new interesting results were obtained on the discrete analog on graphs.
6. Global study was made on reaction-diffusion equations, and new results were obtained on the stability of solutions.
7. Various new results were obtained on the stability of vector bundles on Kaehler manifolds and Einstein-Hermitian metics.
8. Pseudo-differential operators, maximal operators, bounded linear operators, operator algebras were studies from the viewpoint of real analysis, complex analysis and Fourier analysis.

  • Research Products

    (34 results)

All Other

All Publications (34 results)

  • [Publications] Tadao ODA: "Recent topics on toric varieties" Amer.Math.Soc.Transl. (2). 172. 77-91 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Yasuo MORITA: "Remarks on a conjecture of Batyrev and Manin" Tohoku Math.J.49. 437-448 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Seiki NISHIKAWA: "Dirichlct problem at infinity for harmonic maps between Car not spaces" Proc.Japan Acad.Ser.A. 73. 168-169 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Motoko KOTANI: "Asymptotic behavior of the transition probability of a random walk on an infinite graph" J.Funct.Anal.159. 664-689 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] W.-M.Nl: "On the location and profile of spike-laper solutions to a singularly perturbed semiliuem Dirichlet problem" Duke Math.J.94. 597-618 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Masa-Nori ISHIDA: "The strong rigidity theoren for non-Archimedeau unifnmizction" Tohoku Math.J.50. 537-555 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 坂東重稔: "Einstein-Kahler訂量の存在問題-正スカラー曲率の場合" 数学. 50. 358-367 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hitoshi ARAI: "Generalited Dirichlet growth, thesrem and applications to hypoelleptic and ^∂_-^b equations" Comm.in Partial Differential Equations. 22. 2061-2088 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hitoshi ARAI: "Morrey spack on spack of homageneons, type and estimates for □^b and Cauchy-Szegs prsiection" Math.Nachr.185. 5-20 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Katsuei KENMOTSU: "On Veronese-Boruvke spheres" Arch.Math.33. 37-40 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hiroyasu IZEKI: "The Teichmiillen distance on the space of flat conforual structures" Conformal Geometry and Dyuamies. 2. 1-24 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Shoetsu OGATA: "Signature defects and eta functions of degenerations of abeeiau varlitels" Japanese J.Math.23. 319-364 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Koji FUJIWARA: "The second bounded cohomology of a group acting on a Gromov-hyperbolic space" Proc.London Math.Soc. (3). 76. 70-94 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Koji FUJIWARA: "Maximal and pointwise ergodec thesreve for word-hyperbolic groups" Ergodic Theory and Dymamical Sysdems. 18. 843-874 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Koji HASEGAWA: "Commuting difference operatbrs as commuting transfer uneffects" Comm.Math.Physics. 187. 289-32〓 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Fumihiko NAKANO: "Calculation of the Hall conductivitg by Abel limis" Ann.Inst.Henri Poincare, Plysigve theor.69. 441-455 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Takeshi KAJIWARA: "The functor of a toric varelty with enough invariant and effective Carten divishs" Tohoku Math.J.50. 139-157 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tadao ODA: "Recent topics on toric varieties" Amer.Math.Soc.Transl.(2). 172. 77-91 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yasuo MORITA: "Remarks on a conjecture of Batyrev and Manin." Tohoku Math.J.49. 437-448 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Seiki NISHIKAWA: "Dirichlet problem at infinity for harmonic maps between Carnot spaces." Proc.Japan Acad.Ser.A.73. 168-169 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Motoko KOTANI: "Asymptotic behavior of the transi-tion probability of a random walk on an infinite graph." J.Funct.Anal.159. 664-689 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Wei-Ming NI: "On the location and profile of spike-layer solution to a singularly perturbed semilinear Dirichlet problem" Duke Math.J.94. 597-618 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Masa-Nori ISHIDA: "The strong rigidity theorem for non-Arthimedean uniformization." Tohoku Math.J.50. 537-555 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Shigetoshi BANDO: "The existence problem on Ein-stein Kahler metrics-The case of positive scalar curvature." Sugaku. 50. 358-367 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hitoshi ARAI: "Generalized Dirichlet growth theorem and applications to hypoelliptic and *_b equations." Comm.Partial Differential Equations.22. 2061-2088 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hitoshi ARAI: "Morrey spaces on spaces of homoge-neous type and estimates for *_b and Cauchy-Szego projection." Math.Nachr.185. 5-20 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Katsuei KENMOTSU: "On Veronese-Boruvka spheres." Arch.Math.33. 37-40 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hiroyasu IZEKI: "The Teichmuller distance on the space of flat conformal structures." Conformal Geometry and Dynamics.2. 1-24 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Shoetsu OGATA: "Signature defects and eta functions of degenerations of abelian varieties." Japanese J.of Math.23. 319-364 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Koji FUJIWARA: "The second bounded cohomology of a group acting on a Gromov-hyperbolic space." Proc.London Math.Soc.(3). 76. 70-94 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Koji FUJIWARA: "Maximal and pointwise ergodic theorems for word-hyperbolic groups." Ergodic Theory and Dynamical Systems. 18. 843-874 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Koji HASEGAWA: "Commuting difference operators as commuting transfer matrices." Comm.Math.Physics. 187. 289-325 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Fumihiko NAKANO: "Calculation of the Hall conduc-tivity by Abel limit." Ann.Inst.Henri Poincare, Phys.Theor.69. 441-455 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Takeshi KAJIWARA: "The functor of a toric variety with enough invariant effective Cartier divisors." Tohoku Math.J.50. 139-157 (1998)

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

URL: 

Published: 1999-12-08  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi