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The greatest common valuation of ϕn and ψn2 at points on elliptic curves
Journal of Number Theory ( IF 0.7 ) Pub Date : 2021-06-01 , DOI: 10.1016/j.jnt.2021.04.015
Paul Voutier , Minoru Yabuta

Given a minimal model of an elliptic curve, E/K, over a finite extension, K, of Qp for any rational prime, p, and any point PE(K) of infinite order, we determine precisely min(v(ϕn(P)),v(ψn2(P))), where v is a normalised valuation on K and ϕn(P) and ψn(P) are polynomials arising from multiplication by n on this model of the curve.



中文翻译:

最大的共同价值φ ñψn2 在椭圆曲线上的点

给定椭圆曲线的最小模型, /, 在有限扩展K对于任何有理素数p和任何点() 无限阶,我们精确地确定 分钟(v(φn()),v(ψn2())),其中v是对K的归一化估值,并且φn()ψn()是在该曲线模型上乘以n产生的多项式。

更新日期:2021-06-11
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