Toshinori Sakai. Number of Crossings in Hamiltonian Cycles on Given n Points. Journal of Information Processing. 2025. 33. 1020-1024
Toshinori Sakai. Weights of Convex Quadrilaterals and Empty Triangles in Weighted Point Sets. Discrete and Computational Geometry, Graphs, and Games. 2025. LNCS 14364. 387-397
Toshinori Sakai, Satoshi Matsumoto. Numbers of Weights of Convex Quadrilaterals in Weighted Point Sets. Indonesian Journal of Combinatorics. 2024. 8. 1. 1-12
Toshinori Sakai, Jorge Urrutia. Non-crossing Monotone Paths and Cycles through Specified Points of Labeled Point Sets. Thai Journal of Mathematics. 2023. 21. 4. 855-861
Jin Akiyama, Hiro Ito, Toshinori Sakai, Yushi Uno. Twenty Years of Progress of JCDCG^3. Graphs and Combinatorics. 2020. 36. 2. 181-203
The Maximum Number of Crossings in a Geometric Cycle on Given n Points
(The 26th Japan Conference on Discrete and Computational Geometry, Graphs, and Games (JCDCG^3 2024) 2024)
Numbers of weights of convex quadrilaterals in weighted point sets
(The 25th Indonesia-Japan Conference on Discrete and Computational Geometry, Graphs, and Games 2023)
Weights of Convex Quadrilaterals in Weighted Point Sets
(The 24th Japan Conference on Discrete and Computational Geometry, Graphs, and Games (JCDCG^3 2022) 2022)
Unidirectional monotonic paths through specified points in labeled point sets in convex position
(The 23rd Thailand-Japan Conference on Discrete and Computational Geometry, Graphs, and Games 2021)
Maximum Overlaps of Folded Triangles and Quadrilaterals
(The 22nd Japan Conference on Discrete and Computational Geometry, Graphs, and Games (JCDCG^3 2019) 2019)