Rchr
J-GLOBAL ID:200901097671393866   Update date: Sep. 01, 2020

Sekizawa Masami

セキザワ マサミ | Sekizawa Masami
Affiliation and department:
Research field  (1): Geometry
Research theme for competitive and other funds  (6):
  • 数学教育
  • 子どものための科学の本
  • 各種バンドルのリーマン幾何学
  • Mathematical education
  • Scientif books for children
Show all
MISC (38):
  • On curvatures of linear frame bundles with naturally lifted metrics. Rend. Sem. Mat. Univ. Pol. Torino. 2005. 63. 283-295
  • On the three-dimensional hypersurfaces with type number two in H^4 and S^4 treated in intrinsic way. Rendiconti del Circolo Matematico di Palermo, Serie II. 2004. 72. Suppl. 107-126
  • On Riemannian manifolds whose tangent sphere bundles can have nonnegative sectional curvature. Universitatis Jagellonicae Acta Mathematica, Fasciculus XI. 2002. 245-256
  • Can tangent sphere bundles over Riemannian manifolds have strictly positive sectional curvature?. Global Differential Geometry: The Mathematical Legacy of Alfred Gray, Contemporary Mathematics. 2001. 288. 110-118
  • Curvatures of tangent sphere bundles with arbitrary constant radius. Proceeding of the First Seminar on Geometry and Topology. 2001. 148-166
more...
Books (13):
  • 数の理論 入門
    丸善 2004
  • 微分幾何学入門
    日本評論社 2003
  • リーマン幾何学入門
    日本評論社 2001
  • 問題解決への数学
    丸善 2001
  • 算数があぶない
    岩波書店 2000
more...
Education (4):
  • - 1969 Tokyo University of Science Graduate School of Science
  • - 1969 Tokyo University of Science Graduate School, Division of Natural Science
  • - 1967 Tokyo University of Science
  • - 1967 Tokyo University of Science Faculty of Science
Professional career (1):
  • 理学博士
Association Membership(s) (1):
日本数学会
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