#14345: newton_sloprs for polynomial over ZpCA requires a prime, and
newton_polygon
doesn't exist
-------------------------+--------------------------------------------------
Reporter: robharron | Owner: roed
Type: defect | Status: new
Priority: minor | Milestone: sage-5.9
Component: padics | Keywords: newton slopes, ZpCA
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
-------------------------+--------------------------------------------------
Here's the bug:
{{{
R = PolynomialRing(ZpCA(5), 'x')
sage: x = R.gen()
sage: f = x^2 + 1
sage: f.newton_slopes()
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
<ipython-input-79-687b034aeac7> in <module>()
----> 1 f.newton_slopes()
TypeError: newton_slopes() takes exactly one argument (0 given)
sage: f.newton_polygon()
---------------------------------------------------------------------------
AttributeError Traceback (most recent call
last)
<ipython-input-87-e7bcefa164b7> in <module>()
----> 1 f.newton_polygon()
/Users/rharron/Programming/sage/local/lib/python2.7/site-
packages/sage/structure/element.so in
sage.structure.element.Element.__getattr__
(sage/structure/element.c:3527)()
/Users/rharron/Programming/sage/local/lib/python2.7/site-
packages/sage/structure/misc.so in
sage.structure.misc.getattr_from_other_class
(sage/structure/misc.c:1488)()
AttributeError: 'Polynomial_padic_flat' object has no attribute
'newton_polygon'
}}}
ZpCR and Qp work fine. The problem appears to be that polynomials over
ZpCA don't know they're over a p-adic ring.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14345>
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 http://groups.google.com/group/sage-trac?hl=en.
For more options, visit https://groups.google.com/groups/opt_out.
