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Computing division polynomials. (English) Zbl 0864.12007

Summary: Recurrence relations for the coefficients of the \(n\)-th division polynomial for elliptic curves are presented. These provide an algorithm for computing the general division polynomial without using polynomial multiplications; also a bound is given for the coefficients, and their general shape is revealed, with a means for computing the coefficients as explicit functions of \(n\).

MSC:

12Y05 Computational aspects of field theory and polynomials (MSC2010)
14Q05 Computational aspects of algebraic curves
11G05 Elliptic curves over global fields
11Y16 Number-theoretic algorithms; complexity
Full Text: DOI

References:

[1] Alfred V. Aho, John E. Hopcroft, and Jeffrey D. Ullman, The design and analysis of computer algorithms, Addison-Wesley Publishing Co., Reading, Mass.-London-Amsterdam, 1975. Second printing; Addison-Wesley Series in Computer Science and Information Processing. · Zbl 0326.68005
[2] R. Fricke, Die elliptischen Funktionen und ihre Anwendungen, Vol. 2, Teubner, Leipzig, 1922. · JFM 48.0432.01
[3] Joseph H. Silverman, The arithmetic of elliptic curves, Graduate Texts in Mathematics, vol. 106, Springer-Verlag, New York, 1986. · Zbl 0585.14026
[4] H. Weber, Lehrbuch der Algebra. III, 3rd ed., Chelsea, New York, 1961.
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