On Sun, May 22, 2011 at 11:37:17AM +0200, Christian Nassau wrote:
> Thanks a lot for these hints! I need to implement a category of
> multi-graded modules/algebras over a Hopf algebra (the Steenrod
> algebra, specifically), so I thought subclassing AlgebrasWithBasis
> would be a good idea... I've now followed your example instead, and
> it all seems to work.
Good.
> (I did notice that there already is a category for graded modules,
> but it seems to be largely empty. I suppose that framework is still
> in the making.)
Yup. You may want to have a look at:
trac_9280-graded-algebras-example.patch
in the sage-combinat queue:
http://combinat.sagemath.org/patches/file/tip/
By the way I am also working on some infrastructure work for modules
over various types of objects. Don't hold your breath though: the new
algorithmic will be mostly for semigroup modules, and this is in
bigmess-nt.patch in the queue, and this name is fairly accurate :-)
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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