#17840: Factorization of multivariate polynomials over the integers
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Reporter: bruno | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.6
Component: factorization | Resolution:
Keywords: multivariate | Merged in:
integer polynomial | Reviewers:
Authors: Bruno Grenet | Work issues:
Report Upstream: N/A | Commit:
Branch: | 0e773f480e56b1b6496ab99f0a9d34623c364998
u/bruno/factorization_of_multivariate_polynomials_over_the_integers|
Stopgaps:
Dependencies: |
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Changes (by bruno):
* status: needs_work => needs_review
Comment:
Replying to [comment:12 bruno]:
> It would be interesting to have such an example of a non-working case.
Though I do not know for which ring(s) do the polynomials belong to the
class `MPolynomial_libsingular`.
I haven't been able to find a non-field integral domain `D`, different
from `ZZ`, such that `D['x','y']` belongs to `MPolynomial_libsingular`. So
I add a doctest for `Zmod(4)['x','y']` for which the factorization indeed
fails.
--
Ticket URL: <http://trac.sagemath.org/ticket/17840#comment:14>
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