A Normal (0, 1)-Polytope None of Whose Regular Triangulations Is Unimodular. - Hidefumi Ohsugi; Takayuki Hibi (Discret. Comput. Geom., 1999)

Toric Ideals and an Infinite Family of Normal (0, 1)-Polytopes without Unimodular Regular Triangulations. - Hidefumi Ohsugi (Discret. Comput. Geom., 2002)

Hamiltonian Tournaments and Gorenstein Rings. - Hidefumi Ohsugi; Takayuki Hibi (Eur. J. Comb., 2002)

Gröbner bases of certain zero-dimensional ideals arising in coding theory. - Hidefumi Ohsugi; Daisuke Ikegami; Tomonori Kitamura; Takayuki Hibi (Adv. Appl. Math., 2003)

Normalized volumes of configurations related with root systems and complete bipartite graphs. - Hidefumi Ohsugi; Takayuki Hibi (Discret. Math., 2003)

The h-Vector of a Gorenstein Toric Ring of a Compressed Polytope. - Hidefumi Ohsugi; Takayuki Hibi (Electron. J. Comb., 2005)

Special simplices and Gorenstein toric rings. - Hidefumi Ohsugi; Takayuki Hibi (J. Comb. Theory A, 2006)

Gröbner bases of Hilbert ideals of alternating groups. - Takashi Wada 004; Hidefumi Ohsugi (J. Symb. Comput., 2006)

Simple Polytopes Arising From Finite Graphs. - Hidefumi Ohsugi; Takayuki Hibi (ITSL, 2008)

Normality of cut polytopes of graphs is a minor closed property. - Hidefumi Ohsugi (Discret. Math., 2010)

Smooth Fano Polytopes Whose Ehrhart Polynomial Has a Root with Large Real Part. - Hidefumi Ohsugi; Kazuki Shibata (Discret. Comput. Geom., 2012)

Gröbner bases of toric ideals and their application. - Hidefumi Ohsugi (ISSAC, 2014)

Gorenstein cut polytopes. - Hidefumi Ohsugi (Eur. J. Comb., 2014)

The Face Vector of a Half-Open Hypersimplex. - Takayuki Hibi; Nan Li; Hidefumi Ohsugi (J. Integer Seq., 2015)

The number of edges of the edge polytope of a finite simple graph. - Takayuki Hibi; Aki Mori; Hidefumi Ohsugi; Akihiro Shikama (Ars Math. Contemp., 2016)

A Gröbner basis characterization for chordal comparability graphs. - Hidefumi Ohsugi; Takayuki Hibi (Eur. J. Comb., 2017)

Symmetric edge polytopes and matching generating polynomials. - Hidefumi Ohsugi; Akiyoshi Tsuchiya (Comb. Theory, 2021)

The h*-Polynomials of Locally Anti-Blocking Lattice Polytopes and Their γ-Positivity. - Hidefumi Ohsugi; Akiyoshi Tsuchiya (Discret. Comput. Geom., 2021)

The number of $4$-cycles and the cyclomatic number of a finite simple graph. - Takayuki Hibi; Aki Mori; Hidefumi Ohsugi (Australas. J Comb., 2023)

PQ-Type Adjacency Polytopes of Join Graphs. - Hidefumi Ohsugi; Akiyoshi Tsuchiya (Discret. Comput. Geom., 2023)

Number of facets of symmetric edge polytopes arising from join graphs. - Aki Mori; Kenta Mori; Hidefumi Ohsugi (Eur. J. Comb., 2025)