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math.AG2011
A new geometric description for Igusa's modular form
Alessio Fiorentino
The modular form notably appears in one of Igusa's classic structure theorems as a generator of the ring of full modular forms in genus 2, being exhibited by means of a c…
math.AG2011★ 2 cited
On a ring of modular forms related to the Theta gradients map in genus 2
Alessio Fiorentino
The level moduli space is mapped to the projective space by means of gradients of odd Theta functions, such a map turning out no to be injective in the genus 2 case. In…