Properties of the complementarity set for the cone of copositive matrices

O. I. Kostyukova

For a proper cone $K$ and its dual cone $K^{\ast }$ in ${\mathbb{R}}^n$, the complementarity set of $K$ is defined as $\mathbb{C}(K)=\{(x,y):x\in K,y\in K^{\ast },x^{\top }y=0\}$. It is kno…