2 problems

Let $X$ be the four-manifold in the twisted-index construction, let $J$ be its chamber parameter, and let ${\boldsymbol k}$ denote the flux or cohomology class appearing in the zer…

Let $Q$ be a quiver without loops or oriented cycles, with vertex set $Q_0$ and dimension vector $d$. Let $Z_{Q,d}(u)$ be the meromorphic form on the torus … defined in the source,…