Re: FFELT: how to recover the field?

[Jeroen Demeyer <jdemeyer@cage.ugent.be>]

Bill Allombert wrote:
> Why are sqrtn(x,p) and x^(1/p) less obvious ?

Karim Belabas wrote:
> What's wrong with sqrtn(x,p) ?

Okay, true.  I guess I was thinking too much as a programmer instead of
a mathematician.  By the way, these functions don't work for finite
field POLMODs, so it's not *that* obvious :-)


Karim Belabas wrote:
> It doesn't seem to be possible currently (only x.p and x.pol work).
> I'll add x.mod to the allowed member functions

Maybe you could also add lift(x) to make things more analogous to POLMODs.


Thanks!
Jeroen.