#17798: Create a class for Coxeter matrices and types
-------------------------------------+-------------------------------------
       Reporter:  tscrim             |        Owner:  sage-combinat
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.8
      Component:  group theory       |   Resolution:
       Keywords:  Coxeter groups,    |    Merged in:
  matrices, types, days64            |    Reviewers:  Jean-Philippe Labbé,
        Authors:  Travis Scrimshaw,  |  Travis Scrimshaw
  Jean-Philippe Labbé                |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  c9125e118a46737c51400bbae469a6aa62b3014b
  public/combinat/coxeter_matrices-17798|     Stopgaps:
   Dependencies:  #17990, #18152,    |
  #18743                             |
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Changes (by tscrim):

 * status:  needs_work => needs_review
 * milestone:  sage-6.6 => sage-6.8


Comment:

 As per my discussion with Jean-Philippe at FPSAC, I've implemented type-
 checking using graph isomorphism testing, which fixes the relabeling issue
 (it feels more efficient). Just needs a quick check (and the remaining
 dependency should be a trivial review, but it needs one).

--
Ticket URL: <http://trac.sagemath.org/ticket/17798#comment:50>
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