Rank 2 sheaves on toric 3-folds: classical and virtual counts

Amin Gholampour, Martijn Kool, Benjamin Young

Let $\mathcal{M}$ be the moduli space of rank 2 stable torsion free sheaves with Chern classes $c_i$ on a smooth 3-fold $X$. When $X$ is toric with torus $T$, we describe the $T$-f…