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Twists of genus three Jacobians
Meagher, Stephen...
Twists of genus three Jacobians by Meagher, Stephen ( Author )
N.A
07-08-2023
We give a criterion to distinguish between a genus three Jacobian and its [-1] twist in terms of the product of the 36 even theta nulls. We also express the product of the 36 theta nulls in terms of the discriminant of a genus three curve. The results are arithmetic in nature and thus add to previous work over C on the product of the even theta nulls. They generalize previous work of Ritzenthaler and Lachaud for Abelian threefolds which are (2,2,2) isogenous to a product of elliptic curves. This answers a 2003 of letter of Jean-Pierre Serre to Jaap Top.
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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/0711.0415
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