#20061: Add method for finding all perfect matchings to Graph
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       Reporter:  egunawan           |        Owner:
           Type:  enhancement        |       Status:  new
       Priority:  major              |    Milestone:  sage-7.1
      Component:  graph theory       |   Resolution:
       Keywords:  perfect matching,  |    Merged in:
  graph                              |    Reviewers:
        Authors:                     |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:  u/egunawan/20061   |  da6befdeec141f05f665de5e5322752c2751f2ef
   Dependencies:                     |     Stopgaps:
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Comment (by egunawan):

 In regards to `.matching()`, it seems like the method returns a maximum
 matching that is not necessary a perfect matching. For example,
 {{{
 sage: Graph([[1,2],[2,3]]).matching()
 [(2, 3, None)]
 }}}

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Ticket URL: <http://trac.sagemath.org/ticket/20061#comment:10>
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