Every real-rooted exponential polynomial is the restriction of a Lee-Yang polynomial

Lior Alon, Alex Cohen, Cynthia Vinzant

A Lee-Yang polynomial $p(z_1,\dots ,z_n)$ is a polynomial that has no zeros in the polydisc ${\mathbb{D}}^n$ and its inverse $ (\mathbb{C}\setminus\overline{\mathbb{D}})^{n…