| Region crossing change is an unknotting operation A Shimizu Journal of the Mathematical Society of Japan 66 (3), 693-708, 2014 | 57* | 2014 |
| The warping degree of a knot diagram A Shimizu Journal of Knot Theory and Its Ramifications 19 (07), 849-857, 2010 | 34 | 2010 |
| The warping degree of a link diagram A Shimizu | 15 | 2011 |
| The warping polynomial of a knot diagram A Shimizu Journal of Knot Theory and Its Ramifications 21 (14), 1250124, 2012 | 14 | 2012 |
| The half-twisted splice operation on reduced knot projections N Ito, A Shimizu Journal of Knot Theory and Its Ramifications 21 (11), 1250112, 2012 | 14 | 2012 |
| The complete splitting number of a lassoed link A Shimizu Topology and its Applications 159 (4), 959-965, 2012 | 12 | 2012 |
| A game based on knot theory A Shimizu Asia Pac. Math. Newsl 2 (4), 22-23, 2012 | 9 | 2012 |
| Region crossing change on spatial-graph diagrams K Hayano, A Shimizu, R Shinjo Journal of Knot Theory and Its Ramifications 24 (08), 1550045, 2015 | 8 | 2015 |
| Biquandle virtual brackets S Nelson, K Oshiro, A Shimizu, Y Yaguchi Journal of Knot Theory and Its Ramifications 28 (11), 1940003, 2019 | 7 | 2019 |
| The reductivity of spherical curves A Shimizu Topology and its Applications 196, 860-867, 2015 | 7 | 2015 |
| ON REGION UNKNOTTING NUMBERS (Intelligence of Low-dimensional Topology) A Shimizu 数理解析研究所講究録 1766, 15-22, 2011 | 6 | 2011 |
| The warping matrix of a knot diagram A Shimizu Contemp. Math 670, 337-344, 2016 | 5 | 2016 |
| Warping labeling for twisted knots and twisted virtual braids K Negi, A Shimizu, M Prabhakar arXiv preprint arXiv:2406.08505, 2024 | 4 | 2024 |
| Unknotting operations on knots and links A Shimizu Journal of Knot Theory and Its Ramifications 30 (02), 2171001, 2021 | 4 | 2021 |
| Region crossing change on spatial theta-curves A Shimizu, R Takahashi Journal of Knot Theory and Its Ramifications 29 (05), 2050028, 2020 | 4 | 2020 |
| Cross-index of a graph A Kawauchi, A Shimizu, Y Yaguchi Kyungpook Mathematical Journal 59 (4), 797-820, 2019 | 4 | 2019 |
| On the orientations of monotone knot diagrams A Kawauchi, A Shimizu Journal of Knot Theory and Its Ramifications 26 (10), 1750053, 2017 | 4 | 2017 |
| Unknottability of spatial graphs by region crossing changes Y Funakoshi, K Noguchi, A Shimizu Osaka Journal of Mathematics 60 (3), 671-682, 2023 | 3 | 2023 |
| Lower bounds for the warping degree of a knot projection A Ohya, A Shimizu Journal of Knot Theory and Its Ramifications 31 (13), 2250091, 2022 | 3 | 2022 |
| Prime alternating knots of minimal warping degree two A Shimizu Journal of Knot Theory and Its Ramifications 29 (08), 2050060, 2020 | 3 | 2020 |
