#18645: Add some methods to CartanMatrix
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       Reporter:  jonathan.judge     |        Owner:  jonathan.judge
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.8
      Component:  combinatorics      |   Resolution:
       Keywords:  days65             |    Merged in:
        Authors:                     |    Reviewers:  Ben Salisbury
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  u/jonathan.judge/add_some_methods_to_cartanmatrix|  
7e17029e1388141ba3cce2f160adc296afb18fcb
   Dependencies:                     |     Stopgaps:
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Changes (by nthiery):

 * cc: vripoll, jipilab, jmichel (added)


Comment:

 This sounds reasonnable but this is going beyond my expertise zone. I am
 adding Jean-Philippe Labbé, Jean Michel and Vivien Ripoll in the loop, as
 they are likely to have some good insight on this matter (proper answer
 for `is_affine`, `is_hyperbolic`, ... for decomposable types).

--
Ticket URL: <http://trac.sagemath.org/ticket/18645#comment:10>
Sage <http://www.sagemath.org>
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