The Cone Generated by Positive Semidefinite Mean Polynomials

Mehdi Ghasemi, Salma Kuhlmann

We study the cone ${\mathcal{M}}_{n,2d}$ of nonnegative mean polynomials---real $n$-variate forms of degree $2d$ that can be expressed as weighted power means $M_{q,p}(Y,w)$ with $q>…