Conic stability of polynomials and positive maps

Papri Dey, Stephan Gardoll, Thorsten Theobald

Given a proper cone $K\subseteq {\mathbb{R}}^n$, a multivariate polynomial $f\in \mathbb{C}[z]=\mathbb{C}[z_1,\dots ,z_n]$ is called $K$-stable if it does not have a root whose…