On Thu, Jun 23, 2011 at 2:40 PM, mmarco <[email protected]> wrote: > I am trying to write an implementation of the Braid group in sage, and > i am finding more dificulties than expected. The reason is that the > categories that would be involved have very few implemented objects. > For instance, the first very basic functionality i am implementing is > just the naive free group arithmetic (with lists of integers). So i > wonder if there is not implementation of the free group in sage > already done (i have looked for it, to no avail).
I think free groups are not yet implemented. It would be nice to have them. They are of course in GAP (and GAP does have a braid groups package). > > > Another question i wonder is if the category framework would give > support to group actions; and if it doesn't, which would be the > apropriate aproach to implement them. > > -- > To post to this group, send an email to [email protected] > To unsubscribe from this group, send an email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/sage-devel > URL: http://www.sagemath.org > -- To post to this group, send an email to [email protected] To unsubscribe from this group, send an email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
