Hey Andrew,
One of the things that I don't like about (my understanding of) the
> CombinatorialFreeModule approach to modules is that it is very hard for the
> (uneducated/unenlightened/unwashed) user to construct their own bases for
> modules: To construct a new basis you have to explicitly de
On Tuesday, 11 November 2014 01:08:08 UTC+11, Nicolas M. Thiery wrote:
>
>
> Another approach is to have a single parent, with elements having
> potentially several internal representations, and coercions being
> handled internally as well. That's what Éric is using in
> Sage-Manifolds:
>
>
On 11/10/14 2:47 PM, Andrew wrote:
>
>
> On Tuesday, 11 November 2014 01:08:08 UTC+11, Nicolas M. Thiery wrote:
>
> On Thu, Nov 06, 2014 at 04:51:40PM -0800, Anne Schilling wrote:
> > Wouldn't it make most sense to use the quadratic relation
> >
> > $(T_r-q)(T_r-v)=0$
> >
>
On Tuesday, 11 November 2014 00:42:58 UTC+11, Jean Michel wrote:
>
> You should look at the latest version of chevie
>
> http://webusers.imj-prg.fr/~jean.michel/gap3/gap3-jm4.tar.gz
>
> or
>
> http://webusers.imj-prg.fr/~jean.michel/gap3/gap3-jm5.tar.gz
>
> where I implemented the latest stuf
On Tuesday, 11 November 2014 01:08:08 UTC+11, Nicolas M. Thiery wrote:
>
> On Thu, Nov 06, 2014 at 04:51:40PM -0800, Anne Schilling wrote:
> > Wouldn't it make most sense to use the quadratic relation
> >
> > $(T_r-q)(T_r-v)=0$
> >
> > since the other ones can be obtained by appropriate spec
On Thu, Nov 06, 2014 at 04:51:40PM -0800, Anne Schilling wrote:
> Wouldn't it make most sense to use the quadratic relation
>
> $(T_r-q)(T_r-v)=0$
>
> since the other ones can be obtained by appropriate specialization?
I definitely vote for this as well. That's what Alain always
recommended to m
Dear Andrew,
On Mon, Nov 10, 2014 at 04:24:40AM -0800, Andrew wrote:
>
> Yes, I agree, using coxeter3 will almost certainly be much more efficient.
> I had a brief look at this and thought it looked two hard since I have only
> a fleeting interest in this:)
>
> In terms of syntax, chevie has a
Hi Nicolas,
Yes, I agree, using coxeter3 will almost certainly be much more efficient.
I had a brief look at this and thought it looked two hard since I have only
a fleeting interest in this:)
In terms of syntax, chevie has a *LeftCells* function that returns all of
the cells of the Coxeter gr
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 h
OK, I have figured out how to make left cells but now the question is where
to put this?
Andrew
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HI Travis,
I found this and I also managed to get a list of cells directly from Chevie
but I haven't yet worked out how to convert this into something that sage
recognises. I know that I have done this before, but I've forgotten:) Will
investigate further.
Andrew
On Monday, 10 November 2014 1
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