On Fri, Jan 27, 2012 at 1:21 AM, davidp <davide...@gmail.com> wrote:
> I just noticed this post to the arXiv. Is Meinholf Geck in touch with
> Sage?
>
> --Dave
I'm not sure, but he mentions Sage numerous times on page 1, and
suggests Sage was the inspiration for him writing the code in Python.
Also, he explains how to use his package within Sage.
>
> Title: PyCox: Computing with (finite) Coxeter groups and Iwahori-Hecke
> algebras
> Authors: Meinolf Geck
> Categories: math.RT
> Comments: 31 pages
> MSC-class: 20C40, 20C08
> \\
> We introduce the computer algebra package {\sf PyCox}, written
> entirely in
> the {\sf Python} language. It implements a set of algorithms - in a
> spirit
> similar to the older {\sf CHEVIE} system - for working with Coxeter
> groups and
> Hecke algebras. This includes a new variation of the traditional
> algorithm for
> computing Kazhdan-Lusztig cells and $W$-graphs, which works
> efficiently for all
> groups of rank $\leq 8$ (except $E_8$). Our experiments suggest a re-
> definition
> of Lusztig's "special" representations which, conjecturally, should
> also apply
> to the unequal parameter case.
> \\ ( http://arxiv.org/abs/1201.5566 , 39kb)
>
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--
William Stein
Professor of Mathematics
University of Washington
http://wstein.org
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