Masaharu ISHIKAWA
Mathematical Institute Tohoku University Researches: Topology, Singularity Theory
office: Math. bldg. in Aobayama Campus, 5th fl. Room 504
phone: (022) 795-6384
E-mail:
pages in Japanese
List of Papers and Preprints
- S. Baader, M. Ishikawa: Legendrian framings for two-bridge links preprint.
- M. Ishikawa: Compatible contact structures of fibered Seifert links in homology 3-spheres, preprint.
- D. Futer, M. Ishikawa, Y. Kabaya, T. Mattman, K. Shimokawa: Finite surgeries on three-tangle pretzel knots, Algebraic & Geometric Topology 9 (2009) 743-771.
- M. Ishikawa: On the contact structure of a class of real analytic germs of the form $f\bar{g}$, Singularities --- Niigata-Toyama 2007, Advanced Studies in Pure Mathematics 56, pp. 201-223, 2009.
- S. Baader, M. Ishikawa: Legendrian graphs and quasipositive diagrams, Annales de la Faculte des Sciences de Toulouse, XVIII (2009), no. 2, 285-305.
- M. Ishikawa, T.W. Mattman and K. Shimokawa: Exceptional surgery and boundary slopes, Osaka J. Math. 43 (2006), no. 4, 807-821.
- M. Ishikawa: On the Thurston-Bennequin invariant of graph divide links, Math. Proc. Camb. Phil. Soc. 139 (2005), 487-495.
- M. Ishikawa, T.C.Nguyen, M.Oka: On topological types of reduced sextics, Kodai Math. J. 27 (2004), no. 3, 237-260.
- M. Ishikawa: Positive open book decompositions of Stein fillable 3-manifolds along prescribed links, Topology 45 (2006), no. 2, 325-342.
- M. Ishikawa: Plumbing constructions of connected divides and Milnor fibrations, Indag. Mathem., N.S., 13 (2002), no. 4, 499-514.
- M. Ishikawa: Tangent circle bundles admit positive open book decompositions along arbitrary links, Topology 43 (2004), 215-232.
- M. Ishikawa: The Z_2-coefficient Kauffman state model on divides, preprint.
- W. Gibson, M. Ishikawa: Links and gordian numbers associated with generic immersions of intervals, Topology Appl. 123 (2002), no. 3, 609-636.
- M. Ishikawa: Half plane models for divides, their knots and Dowker-Thistlethwaite codes, Interdisciplinary Information Sciences 7 (2001), no. 1, 17-24.
- W. Gibson, M. Ishikawa: Links of oriented divides and fibrations in link exteriors, Osaka J. Math. 39 (2002) no. 3, 681-703.
- M. Ishikawa: The bifurcation set of a complex polynomial function of two variables and the Newton polygons of singularities at inifnity, J. Math. Soc. Japan 54 (2002), no. 1, 161-196.
Notes and Programs
- A note on relations between Culler-Shalen norms and the Newton polygons of A-polynomials, download.
- Links of plane curves, fiberedness, quasipositivity and Jones polynomials, abstract.
- Gui Pdivide version 1.0
Updated on: 6 October 2009