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D.12.4.10 cantorred

Procedure from library hyperel.lib (see hyperel_lib).

Usage:
cantorred(D,h,f);

Return:
list N

Note:
Cantor's algorithm - reduction.
important: Divisor D has to be semireduced!
Computes reduced divisor div(N[1],N[2])= div(D[1],D[2]).
The divisors are defined over the basering.
Curve C: y^2+h(x)y=f(x) is defined over the basering.

Example:
 


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.