A generalization of APN functions for odd characteristic. - Masamichi Kuroda; Shuhei Tsujie (Finite Fields Their Appl., 2017)

The freeness of Ish arrangements. - Takuro Abe; Daisuke Suyama; Shuhei Tsujie (J. Comb. Theory A, 2017)

The Chromatic Symmetric Functions of Trivially Perfect Graphs and Cographs. - Shuhei Tsujie (Graphs Comb., 2018)

Vertex-Weighted Graphs and Freeness of ψ-Graphical Arrangements. - Daisuke Suyama; Shuhei Tsujie (Discret. Comput. Geom., 2019)

Signed graphs and the freeness of the Weyl subarrangements of type Bℓ. - Daisuke Suyama; Michele Torielli; Shuhei Tsujie (Discret. Math., 2019)

Freeness of Hyperplane Arrangements between Boolean Arrangements and Weyl Arrangements of Type $ B_{ ell} $. - Michele Torielli; Shuhei Tsujie (Electron. J. Comb., 2020)

Unit Ball Graphs on Geodesic Spaces. - Masamichi Kuroda; Shuhei Tsujie (Graphs Comb., 2021)

Freeness for restriction arrangements of the extended Shi and Catalan arrangements. - Norihiro Nakashima; Shuhei Tsujie (Discret. Math., 2023)

Vertex-weighted digraphs and freeness of arrangements between Shi and Ish. - Takuro Abe; Tan Nhat Tran; Shuhei Tsujie (Eur. J. Comb., 2024)

Upper embeddability of graphs and products of transpositions associated with edges. - Shuhei Tsujie; Ryo Uchiumi (Ars Math. Contemp., 2025)