[sage-combinat-devel] Re: Iwahori Hecke algebra and Kazhdan-Lusztig patches

2010-01-02 Thread bump
By mistake I posted in the wrong thread. I was able to remove it from the archive and repost it correctly, but if you subscribe to the list you saw it twice. Sorry. Dan On Jan 2, 10:12 pm, Daniel Bump wrote: > I have revised both the Kazhdan-Lusztig polynomial and Iwahori > Hecke algebra patches

[sage-combinat-devel] Iwahori Hecke algebra and Kazhdan-Lusztig patches

2010-01-02 Thread Daniel Bump
I have revised both the Kazhdan-Lusztig polynomial and Iwahori Hecke algebra patches and reposted them on the trac server. http://trac.sagemath.org/sage_trac/ticket/7729 http://trac.sagemath.org/sage_trac/ticket/7751 Things that should be in coxeter.py have been moved there, cached methods are

[sage-combinat-devel] Affine Hecke algebras

2010-01-02 Thread Daniel Bump
There is an enlargement of the affine Hecke algebra, due to Iwahori and Matsumoto, which I don't know how to implement in Sage. This is an issue for type A, related to the difference between GL_n and SL_n. Let us consider the case of ['A',2,1]. If p is a prime element in a nonarchimedean local fie

Re: [sage-combinat-devel] Enhancement of graph drawing

2010-01-02 Thread Daniel Bump
I have revised both the Kazhdan-Lusztig polynomial and Iwahori Hecke algebra patches and reposted them on the trac server. http://trac.sagemath.org/sage_trac/ticket/7729 http://trac.sagemath.org/sage_trac/ticket/7751 Things that should be in coxeter.py have been moved there, cached methods are