Hermite normal forms and $\delta$-vector

Takayuki Hibi, Akihiro Higashitani, Nan Li

Let $δ(\Pc) = (δ_0, δ_1,..., δ_d)$ be the $\delta$-vector of an integral polytope $\Pc \subset \RR^N$ of dimension $d$. Following the previous work of characterizing the $\delta$-vectors wit…