Schubert compactifications of matrix pencils

Vincenzo Galgano, Fulvio Gesmundo, Hanieh Keneshlou

The Schubert compactification of a linear space of matrices $L\subseteq {\text{Mat}}_{n\times m}$ is a natural compactification of $L$ in the Grassmannian $\text{Gr}(n,n+m)$. T…