#19339: Use digraph labels if present for ClusterAlgebra and ClusterQuiver
-------------------------------------+-------------------------------------
       Reporter:  aram.dermenjian    |        Owner:
           Type:  enhancement        |       Status:  new
       Priority:  minor              |    Milestone:  sage-6.9
      Component:  algebra            |   Resolution:
       Keywords:  cluster            |    Merged in:
        Authors:                     |    Reviewers:
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  
u/aram.dermenjian/use_digraph_labels_if_present_for_clusteralgebra_and_clusterquiver|
  44dfc308b00fffd467b9ad124583b50a79585766
   Dependencies:                     |     Stopgaps:
-------------------------------------+-------------------------------------
Changes (by benstrasser):

 * commit:   => 44dfc308b00fffd467b9ad124583b50a79585766


Comment:

 I am working on a review patch for this ticket.  This will include:

 1) A small bug fix to address the issue where digraph labels get lost if
 the ClusterSeed is mutated:
 {{{
 sage: dg = DiGraph([[5,6]])
 sage: S = ClusterSeed(dg); S.quiver().digraph().vertices()
 [5, 6]
 sage: S.mutate(0)
 sage: S.quiver().digraph().vertices()
 [0, 1]
 }}}

 2) An enhancement allowing users to specify a list of frozen variables.
 ----
 New commits:
 
||[http://git.sagemath.org/sage.git/commit/?id=d92f4e74eae70dd8e09a95f0e7cb3a04f0ab1474
 d92f4e7]||{{{Vertex relabelling based on digraphs}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=c9d20c20db44478e39693ba020794fa7265ed040
 c9d20c2]||{{{Fix var initialisation}}}||
 
||[http://git.sagemath.org/sage.git/commit/?id=44dfc308b00fffd467b9ad124583b50a79585766
 44dfc30]||{{{Allow plotting by default as well}}}||

--
Ticket URL: <http://trac.sagemath.org/ticket/19339#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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