Hi Bruce,
On Fri, Nov 22, 2013 at 05:04:14AM -0800, Bruce wrote:
> I am trying to test a conjecture by comparing the results of two
> calculations. One calculation works with Kirillov-Reshetikhin crystals and
> the result is an element of the free module on the Weight Lattice of the
> affine root system (in one example ['A',1,1]). The other calculation
> returns an element of the WeylCharacterRing of the (finite) root system
> (in the same example 'A1'). The ring of coefficients in both cases is the
> same. This uses the ambient lattice. It is trivial to compare these by
> hand but could I please have some suggestions how to get sage to compare
> them?
Can you send a quick sample of both? There is a conversion from the
weight lattice to the ambient lattice, so that should be easy, but
it's best to talk on a concrete example.
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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