Preprints

  • S. Matsuzaki and Tomo Murao,
    (Co)homology of racks and multiple group racks for compact oriented surfaces in the 3-sphere. (arXiv:2310.13560 [math.GT])
  • Published/Accepted papers

    • S. Matsuzaki,
      A diagrammatic presentation and its characterization of non-split compact surfaces in the 3-sphere, J. Knot Theory Ramifications, Vol.30, No.9 (2021) 2150071 (32 pages).
      (arXiv:1905.03159v2 [math.GT], DOI:10.1142/S0218216521500711).
    • A. Ishii, M. Iwakiri, S. Kamada, J. Kim, S. Matsuzaki and K. Oshiro,
      Cocycles of G-Alexander biquandles and G-Alexander multiple conjugation biquandles, Topology Appl., 301 (2020) 107512 (31 pages).
      (arXiv:2002.11292 [math.AT], DOI:10.1016/j.topol.2020.107512).
    • Atsushi Ishii, Shosaku Matsuzaki and Tomo Murao,
      A multiple group rack and oriented spatial surfaces, J. Knot Theory Ramifications, Vol.29, No.7 (2020) 2050046 (20 pages).
      (arXiv:1905.03069v2 [math.GT], DOI:10.1142/s0218216520500467).
    • A. Ishii, M. Iwakiri, S. Kamada, J. Kim, S. Matsuzaki and K. Oshiro,
      Biquandle (co)homology and handlebody-links, J. Knot Theory Ramifications, Vol.27, No.11 (2018) 1843011 (33 pages).
      (arXiv:1801.07602 [math.GT], DOI:10.1142/s0218216518430113).
    • A. Ishii, M. Iwakiri, S. Kamada, J. Kim, S. Matsuzaki and K. Oshiro,
      A multiple conjugation biquandle and handlebody-links, Hiroshima Math. J. 48 (2018), 89-117.
      (arXiv:1702.01363 [math.GT], DOI:10.32917/hmj/1520478026).
    • N. Ito, S. Matsuzaki and K. Taniyama,
      Cycle arrangements of link projections, Kobe J. Math. 34 (2017), no. 1-2, 27-36.
    • S. Matsuzaki and M. Ozawa,
      Genera and minors of multibranched surfaces, Topology Appl. 230 (2017), 621-638.
    • K. Eto, S. Matsuzaki and M. Ozawa,
      An obstruction to embedding 2-dimensional complexes into the 3-sphere, Topology Appl. 198 (2016), 117-125.
    • S. Matsuzaki,
      Plane number of links, J. Knot Theory Ramifications 24 (2015), no. 7, 1550039, 5pp.
    • S. Matsuzaki,
      Multiplicity of finite graphs over the real line, Tokyo J. Math. 37 (2014), no. 1, 247-256.