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Fingerprint Dive into the research topics where Yukio Otsu is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

Sphere Theorem Mathematics
Alexandrov Space Mathematics
Positive Curvature Mathematics
Ricci Curvature Mathematics
Singular Point Mathematics
Convergence Theorem Mathematics
Differentiable Mathematics
Hausdorff Dimension Mathematics

Research Output 1989 1994

  • 150 Citations
  • 3 h-Index
  • 4 Article
90 Citations (Scopus)

The Riemannian structure of Alexandrov spaces

Otsu, Y. & Shioya, T., Jan 1 1994, In : Journal of Differential Geometry. 39, 3, p. 629-658 30 p.

Research output: Contribution to journalArticle

Alexandrov Space
Singular Point
Hausdorff Dimension
26 Citations (Scopus)

On manifolds of positive Ricci curvature with large diameter

Otsu, Y., Jan 1 1991, In : Mathematische Zeitschrift. 206, 1, p. 255-264 10 p.

Research output: Contribution to journalArticle

Positive Curvature
Ricci Curvature
1 Citation (Scopus)

A remark on the gromov convergence theorem

Otsu, Y., Jan 1 1990, In : Proceedings of the American Mathematical Society. 108, 2, p. 491-494 4 p.

Research output: Contribution to journalArticle

Convergence Theorem
Riemannian Manifold
33 Citations (Scopus)

A new version of differentiable sphere theorem

Otsu, Y., Shiohama, K. & Yamaguchi, T., Jun 1 1989, In : Inventiones Mathematicae. 98, 2, p. 219-228 10 p.

Research output: Contribution to journalArticle

Sphere Theorem