On Thu, Mar 03, 2011 at 06:28:57PM -0800, Andrey Novoseltsev wrote:
> Absolutely, all current polyhedral classes are immutable and I don't
> think that there are any plans to change it. This means that face
> lattices are also immutable, but, while they are finite, they may be
> quite large and should not be created unless necessary. On the other
> hand, one may be interested in some particular faces (e.g. all facets
> and a few of their intersections), in which case it would make sense
> to create them as elements of such a LazyPoset.
I am glad to see that we have the same need and can share the efforts
in this direction :-)
Btw: are you planning to come to Sage Days 30?
http://wiki.sagemath.org/days30
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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