Hello,
I've found an problem with comparison of elements in certain rings. Here is
a piece of Sage to illustrate the issue:
sage: R = PolynomialRing(GF(4), ('x', 'y'))
sage: x, y = R.gens()
sage: I = R.ideal([x^2 + y^2, x + y^3])
sage: S = R.quotient(I, 'ab')
sage: a, b = S.gens()
sage: c, d, e
On Monday, 30 May 2016 17:19:54 UTC+1, Nils Bruin wrote:
>
> Currently, u.__cmp__ uses the former to test equality, and it should
> probably use the latter. The reasoning is argued in the code. It looks like
> univariate polynomial ideals should just get a containment test implemented
>
Thanks,
Hi Simon,
On Tuesday, May 31, 2016 at 9:18:15 AM UTC+1, Simon King wrote:
>
> Hi Alec,
>
> On 2016-05-30, Alec Edgington >
> wrote:
> > Thanks, that seems to be the problem. I also note the code comment "The
> > whole quotient stuff relies in I.reduce(x) ret