Total positivity and two inequalities by Athanasiadis and Tzanaki

Lili Mu, Volkmar Welker

Let $\Delta$ be a $(d-1)$-dimensional simplicial complex and $h^{\Delta }=(h_0^{\Delta },\dots ,h_d^{\Delta })$ its $h$-vector. For a face uniform subdivision operation $\mathcal{F}$ we write $Δ_{\mathca…