Re: [sage-combinat-devel] posets

2011-09-06 Thread Anne Schilling
On 9/6/11 8:14 AM, Nicolas M. Thiery wrote: On Mon, Sep 05, 2011 at 11:59:02PM -0700, Anne Schilling wrote: I now implemented another version of this method which is recursive (the two methods are bruhat_upper_cover and bruhat_upper_cover_old). I am not sure the complexity is any better though.

Re: [sage-combinat-devel] posets

2011-09-06 Thread Nicolas M. Thiery
On Mon, Sep 05, 2011 at 11:59:02PM -0700, Anne Schilling wrote: > I now implemented another version of this method which is recursive > (the two methods are bruhat_upper_cover and bruhat_upper_cover_old). > I am not sure the complexity is any better though. I like it, and am pretty sure it is much

Re: [sage-combinat-devel] posets

2011-09-06 Thread Anne Schilling
On 9/5/11 1:13 PM, Nicolas M. Thiery wrote: On Sun, Sep 04, 2011 at 11:04:53PM -0700, Anne Schilling wrote: I just added upper covers for Bruhat order to the patch trac_11742-cores-add-as.patch. If it looks ok, I will fold it into the cores patch. Beware that one may get repeats as in: