2010/1/12 YannLC <yannlaiglecha...@gmail.com>:
>
>
> On Jan 12, 3:44 pm, John Cremona <john.crem...@gmail.com> wrote:
>> No, the van Hoeij / Belabas algorithms are for univariate polynomials,
>> over Q (and then over number fields).  Pari does not have multivariate
>> polynomial factorization
>
> It might not be implemented in Pari, but the algorithm has been
> further extended and works also for bivariate factorization over
> finite fields.
> See [20] here: http://www.ufr-mi.u-bordeaux.fr/~belabas/research/
>

That looks good.  I'll email Karim and ask if he plans to have this in
pari any time soon.

John

> Yann
>
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