On Mon, Nov 10, 2014 at 02:28:15AM -0800, Andrew wrote:
> OK, I have figured out how to make left cells but now the question is
> where to put this?
Thanks for investigating! I guess this would be a cell method of
Coxeter groups, possibly only provided by certain
implementations. Would you have an example of input and output to
settle on the specifics?
I just made a quick grep in the sources of Coxeter 3, and there is a
file wgraph.cpp, with functions like OrientedGraph::cells. Cells are
also mentioned quite some in INTRO.tex. So for our Coxeter groups
using Coxeter 3 as backend implementation, it's probably just a matter
of wrapping those functions to make them accessible as well from
Sage. And they are likely to be very efficient given Coxeter 3's
emphasis on computing KL polynomials.
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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