Re: [sage-combinat-devel] Kazhdan-Lusztig patch / Customizing element printing

2009-12-23 Thread Nicolas M. Thiery
Hi Dan! On Tue, Dec 22, 2009 at 02:54:08PM -0800, Daniel Bump wrote: > I was unable to get a working combinat queue. With sage-4.3.alpha1 > I get errors in trac_7420-fix-infinite-coercion-discovery-loop.patch. Oops. Hopeful the guards are fixed now. > I did however make a trac ticket: >

Re: [sage-combinat-devel] Kazhdan-Lusztig patch / Customizing element printing

2009-12-22 Thread Daniel Bump
> Thanks! If you don't mind the overhead, I'd suggest to put your code > on the Sage-Combinat patch server to ease playing around with it and > merging/coordinating with related patches on the topic. I was unable to get a working combinat queue. With sage-4.3.alpha1 I get errors in trac_7420-fix-

Re: [sage-combinat-devel] Kazhdan-Lusztig patch / Customizing element printing

2009-12-22 Thread Anne Schilling
>> On the other hand, you can do this: >> >> sage: W = WeylGroup("B3",prefix="s") >> sage: [s1,s2,s3]=W.simple_reflections() >> >> Then you do things like this: >> >> sage: (s1*s2*s3)^4 >> s3*s2*s3*s1*s2*s1 >> sage: (s1*s2*s3).order() >> 6 > > Nice. We will want other representations as well (perm

Re: [sage-combinat-devel] Kazhdan-Lusztig patch / Customizing element printing

2009-12-22 Thread Daniel Bump
> Nice. We will want other representations as well (permutation > representation, compact reduced word, ...). So this calls for some > option like: > > sage: W = WeylGroup("B3", element_print_style = "reduced_word") > > Customizing the way the elements of a given parent are printed is a > feat

[sage-combinat-devel] Kazhdan-Lusztig patch / Customizing element printing

2009-12-22 Thread Nicolas M. Thiery
Dear Dan, dear Sage developers, Sage developers: please see the first point below. On Sun, Dec 20, 2009 at 09:22:03PM -0800, Daniel Bump wrote: > I have what seems to be a working patch to compute > Kazhdan Lusztig polynomials at: > > http://sporadic.stanford.edu/bump/patches/kazhdan_lus