Existence of regular unimodular triangulations of dilated empty simplices. - Takayuki Hibi; Akihiro Higashitani; Koutarou Yoshida (Eur. J. Comb., 2018)

Gorenstein simplices with a given δ-polynomial. - Takayuki Hibi; Akiyoshi Tsuchiya; Koutarou Yoshida (Discret. Math., 2019)

Ehrhart Polynomials with Negative Coefficients. - Takayuki Hibi; Akihiro Higashitani; Akiyoshi Tsuchiya; Koutarou Yoshida (Graphs Comb., 2019)