Chow polynomials and chain polynomials of matroids are not log-concave

Gergely Bérczi, Basile Coron, Christopher Eur +1

The Hilbert--Poincaré series of the Chow rings of the toric varieties of matroids, often called the \emph{Chow polynomials}, and the $f$-polynomial of their boundary complexes, cal…