On Monday, September 5, 2022 at 1:09:59 AM UTC-7 Dima Pasechnik wrote:
> On Mon, Sep 5, 2022 at 4:06 AM Nils Bruin <nbr...@sfu.ca> wrote:
> > On Sunday, 4 September 2022 at 10:31:42 UTC-7 george...@gmail.com
> wrote:
> >> I am about to submit a math paper to a journal. I would like to include
> a proper citation for Sage. The Sage web page says:
> >>
> >> "Also, be sure to find out which components of SageMath, e.g. NumPy,
> PARI, GAP, Sage-Combinat, that your calculation uses and properly attribute
> those systems."
> >>
> >> My question is: which component am I using?
> >>
> >> I am doing the following:
> >>
> >> x, y, z = var('x, y, z')
> >> factor(x^6+y^6)
> >> factor(x^6-y^6)
> >> expand((3*x^2+y^2)*(x^2+3*y^2))
>
> >
> > That kind of use generally attracts a "using a computational algebra
> system" since it's such a routine operation. In fact, people wouldn't blink
> at no explanation at all or a comment about "manual computation".
>
> But that's bad practice, detrimental in particular to CASs which don't
> enjoy much funding, in general.
> Every time a grant application to support such a CAS is made, it's a
> struggle to justify it, not the least due to lack of citations.
+1
>
> In this case (symbolics computations like this), it's 'ginac' alone, I
> believe.
>
When using factor, ginac/pynac may call out to Singular,
see https://trac.sagemath.org/ticket/32613
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