Semidefinite Characterization and Computation of Real Radical Ideals

J. B. Lasserre, M. Laurent, P. Rostalski

For an ideal $I\subseteq \mathbb{R}[x]$ given by a set of generators, a new semidefinite characterization of its real radical $I(V_{\mathbb{R}}(I))$ is presented, provided it is zero-…