[sage-combinat-devel] Re: Left and right cells of Coxeter groups

2014-11-09 Thread Travis Scrimshaw
Hey Andrew, It may not be the best name, but if you pass implementation="permutation", then it will go to the chevie implementation. This isn't explicitly mentioned in the doc (and probably should be), but the doctests testing this are marked as optional needing chevie. So I think what you n

[sage-combinat-devel] Re: Left and right cells of Coxeter groups

2014-11-09 Thread Andrew
Hi Travis, Thanks for the ultra quick reply. I'm impressed that so much work being done on this as I assumed that it was all in the too hard basket. I'll have a quick look at calls and see how hard it is to wrap something around chevie's implementation. Andrew On Monday, 10 November 2014 15:

[sage-combinat-devel] Re: Left and right cells of Coxeter groups

2014-11-09 Thread Travis Scrimshaw
Hey Andrew, Am I right in thinking that sage does not (yet) know about the left, right > and two-sided Kazhdan-Lusztig cells of Coxeter groups? As sage can compute > Kazhdan-Lusztig polynomials I assumed that it knew about cells as well, but > it doesn't seem to. Please tell me if I am missing

[sage-combinat-devel] Left and right cells of Coxeter groups

2014-11-09 Thread Andrew
Am I right in thinking that sage does not (yet) know about the left, right and two-sided Kazhdan-Lusztig cells of Coxeter groups? As sage can compute Kazhdan-Lusztig polynomials I assumed that it knew about cells as well, but it doesn't seem to. Please tell me if I am missing something. Inciden