Re: [sage-combinat-devel] Schuetzenberger involution and promotion operator

2011-03-27 Thread Martin Rubey
Anne Schilling writes: > Hi! > > I just added a new patch on trac which implements the Schuetzenberger > involution on both words and tableaux and also the promotion operator > on tableaux of arbitrary shape: > > http://trac.sagemath.org/sage_trac/ticket/10446 I found that it doesn't work for ar

Re: [sage-combinat-devel] Re: Schuetzenberger involution and promotion operator

2011-03-27 Thread Anne Schilling
Dear Dan, On 3/27/11 6:27 PM, bump wrote: I just added a new patch on trac which implements the Schuetzenberger involution on both words and tableaux and also the promotion operator on tableaux of arbitrary shape: http://trac.sagemath.org/sage_trac/ticket/10446 I have the impression this is f

[sage-combinat-devel] Re: Schuetzenberger involution and promotion operator

2011-03-27 Thread bump
> I just added a new patch on trac which implements the Schuetzenberger > involution on both words and tableaux and also the promotion operator > on tableaux of arbitrary shape: > > http://trac.sagemath.org/sage_trac/ticket/10446 I have the impression this is for Type A only. But the Schutzenberge

Re: [sage-combinat-devel] Re: (free) algebras

2011-03-27 Thread Nicolas M. Thiery
On Sun, Mar 27, 2011 at 01:33:59AM -0700, Anne Schilling wrote: > Thanks for the explanation! Everything seems to work fine now. > I gave a positive review on trac for the added features, perhaps > someone else could do a technical review of the patch. I'll try to handle the technical review (thou

[sage-combinat-devel] Re: [sage-algebra] Re: Is a free algebra with one generator a univariate polynomial ring?

2011-03-27 Thread Nicolas M. Thiery
On Sun, Mar 27, 2011 at 12:00:37PM -0700, Simon King wrote: > Anyway, I agree with you that my question should be answered in a > practical way and can not really have a "categorical" answer. That's > why I formulated "are free algebras and polynomial rings too > different?" in my original question

[sage-combinat-devel] Schuetzenberger involution and promotion operator

2011-03-27 Thread Anne Schilling
Hi! I just added a new patch on trac which implements the Schuetzenberger involution on both words and tableaux and also the promotion operator on tableaux of arbitrary shape: http://trac.sagemath.org/sage_trac/ticket/10446 This was started during Sage Days 26 in Seattle last December with Erin

Re: [sage-combinat-devel] Re: (free) algebras

2011-03-27 Thread Anne Schilling
Hi Simon, Thanks for the explanation! Everything seems to work fine now. I gave a positive review on trac for the added features, perhaps someone else could do a technical review of the patch. Best, Anne On 3/26/11 11:11 PM, Simon King wrote: Hi Anne, On 27 Mrz., 00:39, Anne Schilling wrote

Re: [sage-combinat-devel] Re: (free) algebras

2011-03-27 Thread Nicolas M. Thiery
On Sat, Mar 26, 2011 at 11:35:18PM -0700, Simon King wrote: > On 27 Mrz., 08:11, Simon King wrote: > > I guess, what I should do is to test at the beginning of the > > groebner_basis method whether we have a field, and give a clear error > > message. Also I should mention that restriction in the d