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math.AG2023
General birationality and Hyperelliptic Theta divisors
Fabrizio Catanese
We first state a condition ensuring that having a birational map onto the image is an open property for families of irreducible normal non uniruled varieties. We give then some cri…
math.AG2023
Geometric Endomorphisms of the Hesse moduli space of elliptic curves
Fabrizio Catanese, Edoardo Sernesi
We consider the geometric map , called Cayleyan, associating to a plane cubic the adjoint of its dual curve. We show that and the classical Hessian…