Associate professor at Department of Mathematics, Hokkaido University of Education, Japan. 

Research Interests:

Publications:

[19] A type $B$ analog of the Ish arrangement


[18] Vines and MAT-labeled graphs 


[17] Upper Embeddability of Graphs and Products of Transpositions Associated with Edges


[16] Vertex-weighted Digraphs and Freeness of Arrangements Between Shi and Ish


[15] The characteristic quasi-polynomials of hyperplane arrangements over residually finite Dedekind domains


[14] MAT-free graphic arrangements and a characterization of strongly chordal graphs by edge-labeling


[13] Freeness for restriction arrangements of the extended Shi and Catalan arrangements


[12] Enumeration of Flats of the Extended Catalan and Shi Arrangements with Species 


[11] Unit Ball Graphs on Geodesic Spaces


[10] Modular Construction of Free Hyperplane Arrangements


[9] Freeness of Hyperplane Arrangements between Boolean Arrangements and Weyl Arrangements of Type $ B_{\ell} $


[8] Vertex-weighted graphs and freeness of $ \psi $-graphical arrangements


[7] Signed graphs and the freeness of the Weyl subarrangements of type $ B_{\ell} $


[6] The Chromatic Symmetric Functions of Trivially Perfect Graphs and Cographs


[5] Order Quasisymmetric Functions Distinguish Rooted Trees


[4] A Generalization of APN Functions for Odd Characteristic


[3] The freeness of Ish arrangements


[2] Canonical Systems of Basic Invariants for Unitary Reflection Groups


[1] A canonical system of basic invariants of a finite reflection group

Peer-review International Conference Papers: 

[3] The characteristic quasi-polynomials for exceptional well-generated complex reflection groups


[2] Vines and MAT-labeled graphs


[1] The freeness of Ish arrangements

Preprints:




email: tsujie.shuhei∀a.hokkyodai.ac.jp

(replace ∀ by at sign)


Department of Mathematics, 

Faculty of Education, 

Hokkaido University of Education, Asahikawa Campus.