#20435: factorisation of polynomials over integers has wrong parent
------------------------+----------------------------
Reporter: chapoton | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.2
Component: algebra | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
------------------------+----------------------------
{{{
sage: x,y=polygen(ZZ,'x,y')
sage: p=x**2-y**2
sage: p.parent()
Multivariate Polynomial Ring in x, y over Integer Ring
sage: factor(p)
(x - y) * (x + y)
sage: factor(p)[0][0].parent()
Multivariate Polynomial Ring in x, y over Multivariate Polynomial Ring in
x, y over Integer Ring
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/20435>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/sage-trac.
For more options, visit https://groups.google.com/d/optout.
