Sequences associated to elliptic curves
Abstract
Let be an elliptic curve defined over a field (with ) given by a Weierstrass equation and let be a point. Then for each and some we can write the - and -coordinates of the point as \begin{equation*} \lbrack n]P=\left( \frac{\phi_n(P)}{\psi_n^2(P)}, \frac{\omega_n(P) }{\psi_n^3(P)} \right) =\left( \frac{\gamma^2 G_n(P)}{F_n^2(P)}, \frac{\gamma^3 H_n(P)}{F_n^3(P)}\right) \end{equation*} where , and \begin{equation*} F_n(P) = \gamma^{1-n^2}\psi_n(P), G_n(P) = \gamma ^{-2n^{2}}\phi_{n}(P),H_{n}(P) = \gamma ^{-3n^{2}} \omega_n(P) \end{equation*} are suitably normalized division polynomials of . In this work we show the coefficients of the elliptic curve can be defined in terms of the sequences of values and of the suitably normalized division polynomials of evaluated at a point . Then we give the general terms of the sequences and associated to Tate normal form of an elliptic curve. As an application of this we determine square and cube terms in these sequences.
Keywords
Cite
@article{arxiv.1909.12654,
title = {Sequences associated to elliptic curves},
author = {Betül Gezer},
journal= {arXiv preprint arXiv:1909.12654},
year = {2019}
}