• 51 Citations
  • 4 h-Index
20022017
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Fingerprint Dive into the research topics where Masaharu Ishikawa is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 1 Similar Profiles
Divides Mathematics
Singularity Mathematics
Fibration Mathematics
Open Book Decomposition Mathematics
Contact Structure Mathematics
Knot Mathematics
Tangles Mathematics
Unknotting number Mathematics

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Research Output 2002 2017

  • 51 Citations
  • 4 h-Index
  • 19 Article
1 Citation (Scopus)

On Innermost Circles of the Sets of Singular Values for Generic Deformations of Isolated Singularities

Inaba, K., Ishikawa, M., Kawashima, M. & Thang, N. T., 2017 Jun 1, In : Acta Mathematica Vietnamica. 42, 2, p. 237-247 11 p.

Research output: Contribution to journalArticle

Isolated Singularity
Cusp
Singular Values
Circle
Singularity
1 Citation (Scopus)

On linear deformations of Brieskorn singularities of two variables into generic maps

Inaba, K., Ishikawa, M., Kawashima, M. & Nguyen, T. T., 2017 Mar 1, In : Tohoku Mathematical Journal. 69, 1, p. 85-111 27 p.

Research output: Contribution to journalArticle

Cusp
Singularity
Fold
Polynomial Maps
Complex Variables
2 Citations (Scopus)

Stable maps and branched shadows of 3-manifolds

Ishikawa, M. & Koda, Y., 2017 Apr 1, In : Mathematische Annalen. 367, 3-4, p. 1819-1863 45 p.

Research output: Contribution to journalArticle

Stable Map
Factorization
Hyperbolic Volume
Dehn Surgery
Coincidence
1 Citation (Scopus)

Virtual unknotting numbers of certain virtual torus knots

Ishikawa, M. & Yanagi, H., 2017 Oct 1, In : Journal of Knot Theory and its Ramifications. 26, 11, 1750070.

Research output: Contribution to journalArticle

Unknotting number
Virtual Knot
Torus knot
Unknot
Diagram

Construction of spines of two-bridge link complements and upper bounds of their Matveev complexities

Ishikawa, M. & Nemoto, K., 2016 Jul 1, In : Hiroshima Mathematical Journal. 46, 2, p. 149-162 14 p.

Research output: Contribution to journalArticle

Spine
Complement
Cyclic Branched Coverings
Upper bound
Meridian