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arxiv: 0807.4822 · v1 · submitted 2008-07-30 · 🧮 math.NT · math.AG

Sur le corps des modules de certaines vari\'et\'es

classification 🧮 math.NT math.AG
keywords fieldcurveshavingmodulisameadmitassociatecertaines
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To every covering of curves, we associate several varieties having the same field of moduli and same fields of definition. We deduce examples of curves having Q (the field of rationals) as field of moduli, that admit models over any completion of Q but no model over Q.

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