Towards a Formal Theory of Graded Monads. - Soichiro Fujii 001; Shin-ya Katsumata; Paul-André Melliès (FoSSaCS, 2016)

Higher Dimensional Categories: Induction on Extensivity. - Thomas Cottrell; Soichiro Fujii 001; John Power (MFPS, 2018)

A 2-Categorical Study of Graded and Indexed Monads. - Soichiro Fujii 001 (CoRR, 2019)

Quantaloidal approach to constraint satisfaction. - Soichiro Fujii 001; Yuni Iwamasa; Kei Kimura (ACT, 2021)

Algorithms for Coloring Reconfiguration Under Recolorability Digraphs. - Soichiro Fujii 001; Yuni Iwamasa; Kei Kimura; Akira Suzuki 001 (ISAAC, 2022)

Hom weak ω-categories of a weak ω-category. - Thomas Cottrell; Soichiro Fujii 001 (Math. Struct. Comput. Sci., 2022)

Homotopy types of Hom complexes of graph homomorphisms whose codomains are cycles. - Soichiro Fujii 001; Yuni Iwamasa; Kei Kimura; Yuta Nozaki; Akira Suzuki 001 (J. Appl. Comput. Topol., 2025)

Homotopy types of Hom complexes of graph homomorphisms whose codomains are square-free. - Soichiro Fujii 001; Kei Kimura; Yuta Nozaki (Eur. J. Comb., 2026)