[sage-combinat-devel] Re: coxeter groups in python

2012-02-15 Thread Dima Pasechnik
In gmane.comp.mathematics.sage.combinat.devel, you wrote: > I tried to do some computations with the existing Iwahori-Hecke > algebra module inside sage earlier this year. I needed to work over > the rational function field C(x), for an indeterminate x. In the end I > gave up and went back to using

Re: [sage-combinat-devel] comments/questions on poset code

2012-02-15 Thread Anne Schilling
On 2/15/12 2:38 PM, Anne Schilling wrote: > Hi Florent, > > Thanks for your answer. > >>> I pushed the first framework of the code (some methods are still missing), >>> but I get some doc-test failures regarding categories which I am not sure >>> how to fix. >>> I think the problem is that the e

Re: [sage-combinat-devel] comments/questions on poset code

2012-02-15 Thread Anne Schilling
Hi Florent, Thanks for your answer. >> I pushed the first framework of the code (some methods are still missing), >> but I get some doc-test failures regarding categories which I am not sure >> how to fix. >> I think the problem is that the elements LinearExtensionsOfPoset are not in >> its par

Re: [sage-combinat-devel] comments/questions on poset code

2012-02-15 Thread Florent Hivert
Hi Anne, > I pushed the first framework of the code (some methods are still missing), > but I get some doc-test failures regarding categories which I am not sure how > to fix. > I think the problem is that the elements LinearExtensionsOfPoset are not in > its parent, > but I am not sure ho

Re: [sage-combinat-devel] comments/questions on poset code

2012-02-15 Thread Anne Schilling
On 2/14/12 2:33 PM, Nicolas M. Thiery wrote: > On Tue, Feb 14, 2012 at 02:05:21PM -0800, Anne Schilling wrote: >> No. It is really a different poset, see: >> ... >> which returns the original poset. But to_poset gives Q from the above >> computation. > > Ok; out of curiosity, why do you need the