Framed sheaves on projective space and Quot schemes

Alberto Cazzaniga, Andrea T. Ricolfi

We prove that, given integers $m\ge 3$, $r\ge 1$ and $n\ge 0$, the moduli space of torsion free sheaves on ${\mathbb{P}}^m$ with Chern character $(r,0,\dots ,0,-n)$ that are trivia…