Sadayoshi Kojima

教授(任期付)

  • 371 Citations
  • 10 h-Index
1979 …2019
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  • 4 Similar Profiles
Hyperbolic 3-manifold Mathematics
Dehn Filling Mathematics
Configuration Space Mathematics
Pairing Mathematics
Projective Structure Mathematics
Circle packing Mathematics
Knot Mathematics
Torus Mathematics

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Research Output 1979 2019

  • 371 Citations
  • 10 h-Index
  • 31 Article
  • 1 Comment/debate
  • 1 Editorial

On the moduli space of equilateral plane pentagons

Klaus, S. & Kojima, S., 2019 Sep 1, In : Beitrage zur Algebra und Geometrie. 60, 3, p. 487-497 11 p.

Research output: Contribution to journalArticle

Open Access
Equilateral
Pentagon
Algebraic Surfaces
Moduli Space
Genus
2 Citations (Scopus)

Normalized entropy versus volume for pseudo-Anosovs

Kojima, S. & McShane, G., 2018 Apr 5, In : Geometry and Topology. 22, 4, p. 2403-2426 24 p.

Research output: Contribution to journalArticle

Pseudo-Anosov
Entropy
Automorphisms
Linear Inequalities
Torus
5 Citations (Scopus)

Minimal dilatations of pseudo-Anosovs generated by the magic 3-manifold and their asymptotic behavior

Kin, E., Kojima, S. & Takasawa, M., 2013 Oct 10, In : Algebraic and Geometric Topology. 13, 6, p. 3537-3602 66 p.

Research output: Contribution to journalArticle

Dehn Filling
Dilatation
Cusp
Foliation
Asymptotic Behavior
2 Citations (Scopus)

Entropy, weil-petersson translation distance and gromov norm for surface automorphisms

Kojima, S., 2012 Jul 23, In : Proceedings of the American Mathematical Society. 140, 11, p. 3993-4002 10 p.

Research output: Contribution to journalArticle

Automorphisms
Torus
Entropy
Hyperbolic Volume
Norm
33 Citations (Scopus)

A numerical algorithm for block-diagonal decomposition of matrix -algebras with application to semidefinite programming

Murota, K., Kanno, Y., Kojima, M. & Kojima, S., 2010 Jun 1, In : Japan Journal of Industrial and Applied Mathematics. 27, 1, p. 125-160 36 p.

Research output: Contribution to journalArticle

Semidefinite Programming
Matrix Algebra
Numerical Algorithms
Eigenvalue Computation
Decomposition