#12774: various enhancements for Coxeter and Weyl groups
---------------------------------------------+------------------------------
       Reporter:  mshimo                     |         Owner:  sage-combinat  
           Type:  enhancement                |        Status:  needs_review   
       Priority:  major                      |     Milestone:  sage-5.3       
      Component:  combinatorics              |    Resolution:                 
       Keywords:  coxeter group, weyl group  |   Work issues:                 
Report Upstream:  N/A                        |     Reviewers:  Christian Stump
        Authors:  Mark Shimozono             |     Merged in:                 
   Dependencies:                             |      Stopgaps:                 
---------------------------------------------+------------------------------
Changes (by stumpc5):

 * cc: sage-combinat-devel (removed)
 * cc: nthiery, aschilling (added)


Comment:

 Hi,

 concerning the modifications in !RootLatticeRealizations:

 - why don't we move this file into categories? (this might be answered
 somewhere else but I don't remember right now)

 - shouldn't we implement the various methods for roots (roots,
 positive_roots, negative_roots, -_parabolic, -_nonparabolic, ...) right
 away as well for general Coxeter groups? It looks like we are not very far
 from that anyway (I actually do some rudimentary implementation in my
 other patch on Coxeter groups, but this part would perfectly fit here)

 Christian

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12774#comment:6>
Sage <http://www.sagemath.org>
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