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Paramodular Abelian Varieties of Odd Con...
Brumer, Armand...
Paramodular Abelian Varieties of Odd Conductor by Brumer, Armand ( Author )
N.A
31-07-2023
A precise and testable modularity conjecture for rational abelian surfaces A with trivial endomorphisms, End_Q A = Z, is presented. It is consistent with our examples, our non-existence results and recent work of C. Poor and D. S. Yuen on weight 2 Siegel paramodular forms. We obtain fairly precise information on ell-division fields of semistable abelian varieties A, mainly when A[ell] is reducible, by considering extension problems for groups schemes of small rank. Our general results imply, for instance, that the least prime conductor of an abelian surface is 277.
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Article
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37.08 KB
English
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MYR 0.01
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http://arxiv.org/abs/1004.4699
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