Wow -- staggering. I'm also rather impressed by how firefox renders .py files in the repository!
John On 29/10/2007, William Stein <[EMAIL PROTECTED]> wrote: > > On 10/29/07, John Cremona <[EMAIL PROTECTED]> wrote: > > > > ok, I'm off to read the Sage p-adic documentation before I risk making > > more of a fool of myself! > > You might also want to have a look here at some source code, since > the p-adic documentation might be rather lacking: > > http://www.sagemath.org/hg/sage-main/file/22f456794143/sage/rings/padics/ > > > > > John > > > > On 29/10/2007, William Stein <[EMAIL PROTECTED]> wrote: > > > > > > On 10/29/07, John Cremona <[EMAIL PROTECTED]> wrote: > > > > On 29/10/2007, Martin Albrecht <[EMAIL PROTECTED]> wrote: > > > > > On Monday 29 October 2007, John Cremona wrote: > > > > > > Since you have a lot more things to add to your list, you should > > > > > > delete the p-adic arithmetic item, since that already exists in > > > > > > pari. > > > > > > (I am not saying taht the capabilities are the same, but I have been > > > > > > using pari/gp for p-adic arithmetic for years). > > > > > > > > > > as far as I know is the p-adics project in Sage way more ambitious > > > > > than what > > > > > is implemented in Pari and thus I think it is okay to list it. I > > > > > might be > > > > > wrong, though, as I never work with it. > > > > > > > > I'm sure your right about the ambitiousness! But it's not true to say > > > > that "arithmetic with $p$-adic numbers" was "not implemented before in > > > > the > > > > open-source world", that's all. Even if you added "advanced" before > > > > "arithmetic", some pari people might object since pari does have (for > > > > example) quite a lot of p-adic analytic functions, polynomial > > > > factorization and root-finding, ... > > > > > > > > > There are numerous models and variants of p-adic arithmetic that > > > David Roe has spent months and months implementing for Sage which are not > > > available at all in any other open source package. At least one > > > of them ("lazy p-adics") is also not available in any other package. > > > So in fact it is true to say that "certain models of arithmetic with > > > $p$-adic numbers" was "not implemented before in the open source > > > world". There are also new algorithms for arithmetic in polynomial > > > rings over the p-adics (and with matrices?) that are only in Sage. > > > > > > -- William > > > > > > > > > > > > > > > > -- > > John Cremona > > > > > > > > > > -- > William Stein > Associate Professor of Mathematics > University of Washington > http://wstein.org > > > > -- John Cremona --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://sage.scipy.org/sage/ and http://modular.math.washington.edu/sage/ -~----------~----~----~----~------~----~------~--~---
