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math.AG2002
Polarized Pushouts for Finite Fields
Sean Keel
Let p: Y--> X be a surjection between schemes projective over the algebraic closure of a finite field. Let L be a line bundle on X such that p^*(L) is globally generated. I give a…
math.AG2002
Oort's conjecture for A_g
Sean Keel, Lorenzo Sadun
We prove the conjecture of Oort that a compact subvariety of the moduli space of principally polarized Abelian varieties of genus g has codimension strictly greater than g, for g >…