Unfortunately, trac_7922 may have a problem. I have been unable make good
pickles for:
_class__sage_combinat_root_system_weyl_characters_WeylCharacterRing_class_with_category__.sobj
_class__sage_combinat_root_system_weyl_characters_WeylCharacter__.sobj
I tried reverting to a version before the
I just pushed a patch to the combinat queue that addresses a
few issues. It is called trac_7922-revisions3.patch.
> Ah, another point: running pyflakes on weyl_characters.py points out
> the following:
>
> weyl_characters.py:2104: undefined name 'is_even'
> weyl_characters.py:2107: u
Hi Anne,
On 24 Mrz., 10:53, Anne Schilling wrote:
> ...
> Ok, this should not be a problem since in the application I have in mind
> the relations are homogeneous and hence only terms in homogeneous terms
> will cancel.
>
> > Therefore, in my to-be-submitted-as-soon-as-the-damned-documentation-
>
Hi,
I am currently implementing the subword complex as defined by Knutson
and Miller. For that, I need an implementation of the Demazure product
of a word in a Coxeter group.
Is this already done?
Are people interested in it?
Thanks for your reply, Christian
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You received this message becaus
On Thu, Mar 24, 2011 at 07:33:47AM -0700, Andrey Novoseltsev wrote:
> Awesome!
:-)
> Out of curiosity - why does Poset.mro have to stay in the list of
> constructors?
Because Posets is a (new style) class. So unless one hacks `dir`
(which we could do) the method mro of classes will appear in the
On Mar 24, 3:47 am, "Nicolas M. Thiery"
wrote:
> Hi Poset fans,
>
> I just recalled that there already exists two categories
> PartialyOrderedSets and PartialyOrderedMonoids, with aliases
> OrderedSets and OrderedMonoids. At this point, those categories are
> stubs, and are not used anywer
On Thu, Mar 24, 2011 at 02:49:45PM +0100, Viviane Pons wrote:
> Ok, I did the simple >0 and <= dimension, it seems to be the quickest.
>
> I uploaded it on trac, so here you go !
Thanks!
Sorry to be picky, but consistency in the spacing around < and <=
would be good (usually one space on both).
Ok, I did the simple >0 and <= dimension, it seems to be the quickest.
I uploaded it on trac, so here you go !
Cheers,
Viviane
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Hi Simon,
I just joined sage-combinat-devel, so, this time, I can answer
directly.
Great!
The trick is to interpret elements of a free algebra as elements of a
very large commutative ring (namely with infinitely many generators).
This is where the name "letterplace" comes from. Namely, each
On Thu, Mar 24, 2011 at 09:24:19AM +0100, Martin Rubey wrote:
> Are libraries somewhat similar in spirit to the method .an_element?
Nothing has been formalized about them. But yeah, graphs, digraphs,
posets, species all have a role between "collection of examples"
(similar in spirit to an_element(
On Thu, Mar 24, 2011 at 11:06:30AM +0100, Viviane Pons wrote:
> I created a patch :
>
> trac_10995-fixing_getitem_on_ambient_space-vp.patch
>
> under the "Root System and crystals"
>
> and added the fix, I changed my trac to "need review".
Thanks, this sounds good!
Please remove the space at t
"Nicolas M. Thiery" writes:
> How does this all sound?
Very nice!
Martin
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I created a patch :
trac_10995-fixing_getitem_on_ambient_space-vp.patch
under the "Root System and crystals"
and added the fix, I changed my trac to "need review".
Cheers
Viviane
2011/3/23 Nicolas M. Thiery :
> Hi Viviane,
>
> On Wed, Mar 23, 2011 at 11:38:27AM +0100, Viviane Pons wrot
Hi Poset fans,
I just recalled that there already exists two categories
PartialyOrderedSets and PartialyOrderedMonoids, with aliases
OrderedSets and OrderedMonoids. At this point, those categories are
stubs, and are not used anywere in the Sage code.
Since the terminology "Poset" (rather
Hi Anne,
I just joined sage-combinat-devel, so, this time, I can answer
directly.
On 24 Mrz., 09:39, Anne Schilling wrote:
> Looking at the link, it seems this is working with monomials in
> commutative variables. But this would still apply for monoids/
> algebras where the generators do not nec
On Thu, Mar 24, 2011 at 01:39:52AM -0700, Anne Schilling wrote:
> >Zitat von Burcin Erocal:
> >>Letterplace should be able to handle quotients of free algebras:
> >>
> >>http://www.singular.uni-kl.de/Manual/latest/sing_441.htm#SEC493
> >
> >Letterplace, on the one hand, is fairly general: It provid
Hi Simon and Burcin,
Thank you for your answers.
On 3/23/11 12:08 PM, Burcin Erocal wrote:
Simon is not subscribed to sage-combinat-devel. Here is his reply:
Begin forwarded message:
Date: Wed, 23 Mar 2011 19:16:18 +0100
From: Simon King
To: sage-combinat-devel@googlegroups.com
Cc: Burcin Ero
Are libraries somewhat similar in spirit to the method .an_element?
Martin
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Hi Rob!
On Wed, Mar 23, 2011 at 09:47:34AM -0700, Rob Beezer wrote:
> The only advantage I could see to uppercase would be if every category
> *automatically* came with the infrastructure for collections.
This triggers my curiosity. Do you have some specific features you
would dream of ab
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