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arXiv 0802.4027math.NT
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全二次正秩扭转的椭圆曲线

Elliptic curves with all quadratic twists of positive rank

Tim Dokchitser, Vladimir Dokchitser

摘要:

我们观察到存在数域上的椭圆曲线,它们的二次扭转必须具有正秩,假设Birch-Swinnerton-Dyer猜想。我们给这样的曲线的分类,在他们的本地行为,并将它们的Galois行动的泰特模块。特别是,他们的存在表明,戈德菲尔德的猜想并不直接延伸到椭圆曲线在数域。

英文摘要:

We observe that there are elliptic curves over number fields all of whose quadratic twists must have positive rank, assuming the Birch-Swinnerton-Dyer conjecture. We give a classification of such curves in terms of their local behaviour, and characterise them in terms of the Galois action on the Tate module. In particular, their existence shows that Goldfeld's conjecture does not extend directly to elliptic curves over number fields.

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