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Oort's conjecture for $A_{g} \otimes {\mathbb {C}}$

Author(s): Sean Keel; Lorenzo Sadun
Journal: J. Amer. Math. Soc. 16 (2003), 887-900.
MSC (2000): Primary 14K10
Posted: May 30, 2003
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Abstract: 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 $g$, in characteristic zero, for $g \geq 3$.

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Additional Information:

Sean Keel
Affiliation: Department of Mathematics, University of Texas at Austin, Austin, Texas 78712
Email: keel@math.utexas.edu

Lorenzo Sadun
Affiliation: Department of Mathematics, University of Texas at Austin, Austin, Texas, 78712
Email: sadun@math.utexas.edu

DOI: 10.1090/S0894-0347-03-00431-4
PII: S 0894-0347(03)00431-4
Received by editor(s): May 1, 2002
Posted: May 30, 2003
Additional Notes: The first author was partially supported by NSF grant DMS-9988874
The second author was partially supported by Texas ARP grant 003658-152
Copyright of article: Copyright 2003, American Mathematical Society

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