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arXiv 2008.05253math.NTmath.AG
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关于奇次超椭圆曲线上给定阶点的个数

On the number of point of given order on odd degree hyperelliptic curves

John Boxall

摘要:

对于整数$N\geq 3$和$g\geq 1$,以Weierstrass点为基点,研究了落在亏格$g$的超椭圆曲线上的有序除$N$的点集的基数的界.这使我们重新审视除多项式介绍康托在1995年和加强整除结果证明了他。几个例子进行了讨论。

英文摘要:

For integers $N\geq 3$ and $g\geq 1$, we study bounds on the cardinality of the set of points of order dividing $N$ lying on a hyperelliptic curve of genus $g$ embedded in its jacobian using a Weierstrass point as base point. This leads us to revisit division polynomials introduced by Cantor in 1995 and strengthen a divisibility result proved by him. Several examples are discussed.

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