Laface, Roberto; Martinez, Cèsar
(Catania : Dipartimento di Matematica e Informatica dell'Università di Catania, 2017)
We prove an extension of the Babbage-Enriques-Petri theorem for semi-canonical curves. We apply this to show that the Prym variety of a generic element of a codimension $k$ subvariety of $\kr_g$ is not isogenous to another ...