The fibers of the ramified Prym map

P. Frediani, J. C. Naranjo, I. Spelta

We study the ramified Prym map ${\mathcal{P}}_{g,r}⟶{\mathcal{A}}_{g-1+\frac{r}{2}}^{\delta }$ which assigns to a ramified double cover of a smooth irreducible curve of genus $g$ ra…