Hi Viviane, As far as I can see, in your patch this is not done for the affine case. Is this correct? It should really be done in the affine case as well!
Best, Anne On 8/30/12 6:37 AM, Viviane Pons wrote: > Non symmetric mac donald polynomials are also implemented in > sage-combinat in a more general patch on multivariate polynomials. > This is done by Lascoux's formula using divided differences, but as I > am not a specialist I have not tested this part much. > > You can see how the whole patch work on my website : > > http://igm.univ-mlv.fr/~pons/en/research.php > > > > 2012/8/30 bump <b...@match.stanford.edu>: >> In addition to Macdonald polynomials there are the nonsymmetric Macdonald >> polynomials >> which for Type A are implemented in ns_macdonald.py by HHL >> (Haglund-Haiman-Loehr) >> combinatorial algorithm. But one wants nonsymmetric Macdonald polynomials >> for >> all Cartan types. >> >> It was discussed at Sage Days 40 how to compute these for other root >> systems. >> It should be possible soon to implement them by recursively >> applying Demazure-Lusztig operators to a weight. One needs extended affine >> Weyl group, the corresponding Hecke algebra, and then Demazure Lusztig >> operator. >> There are patches for the first two items in the queue. Of these the first >> extended_affine_weyl_groups_sd40.patch is working correctly. The Hecke >> algebra patch needs more work. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sage-combinat-devel" group. >> To view this discussion on the web visit >> https://groups.google.com/d/msg/sage-combinat-devel/-/8LScMwyOKDwJ. >> >> To post to this group, send email to sage-combinat-devel@googlegroups.com. >> To unsubscribe from this group, send email to >> sage-combinat-devel+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/sage-combinat-devel?hl=en. -- You received this message because you are subscribed to the Google Groups "sage-combinat-devel" group. To post to this group, send email to sage-combinat-devel@googlegroups.com. To unsubscribe from this group, send email to sage-combinat-devel+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sage-combinat-devel?hl=en.
