On Mon, Apr 11, 2011 at 05:59:25PM +0200, Florent hivert wrote:
> In the forthcoming days, taking change of my vacation and the sage-days 30,
> I'll start a big cleanup in Partition and Permutation. The goals of this
> cleanup are the following:
>
> - use a much more compact and memory efficient
Hi!
Due to #9944, #9138 and #5, it will hopefully soon be possible to
move many methods from sage.rings.ring.Ring to
sage.categories.rings.Rings.ParentMethods, including cached methods.
The benefit of moving the code is that a MatrixSpace, which sometimes
is a ring and sometimes isn't, could
