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math.AG2013
A Picard modular fourfold and the Weyl group W(E_6)
Bert van Geemen, Kenji Koike
We study the geometry of a Picard modular fourfold which parametrizes abelian fourfolds of Weil type for the field of cube roots of unity. We find a projective model of this fourfo…
math.AG2013
Some equations for the universal Kummer variety
Bert van Geemen
We give a method to find quartic Heisenberg invariant equations for Kummer varieties and we give some explicit examples. From these equations for g-dimensional Kummer varieties one…