Imaginary Projections: Complex Versus Real Coefficients

Stephan Gardoll, Mahsa Sayyary Namin, Thorsten Theobald

Given a multivariate complex polynomial $p\in \mathbb{C}[z_1,\dots ,z_n]$, the imaginary projection $\mathcal{I}(p)$ of $p$ is defined as the projection of the variety $\mathcal{V…