Shin’ya Okazaki. On constituent links of genus two handlebody-knots. Journal of Knot Theory and Its Ramifications. 2024
Shin'ya Okazaki. An invariant derived from the Alexander polynomial for handlebody-knots. Osaka J. Math. 2020. 57. 3. 737-750
Shin'ya Okazaki. Bridge genus and braid genus of lens space. Proceedings of International Conference on Topology and Geometry 2013 joint with $6$th Japan-Mexico Topology Symposium, Topology and its Applications. 2015. 196. 786-794