#20915: Plotting Set Partitions as Chord Diagrams
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       Reporter:  jcourtie             |         Type:  enhancement
         Status:  new                  |     Priority:  major
      Milestone:  sage-7.3             |    Component:  combinatorics
       Keywords:  SetPartition,days78  |    Merged in:
        Authors:                       |    Reviewers:
Report Upstream:  N/A                  |  Work issues:
         Branch:                       |       Commit:
   Dependencies:                       |     Stopgaps:
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 We would like to implement ways to plot set partitions as chord diagrams.
 For example, the partition {{1,2,4},{3}} should display the MacDonald logo
 with a dot below the second arc.

 We are thinking to do it in two or three different ways:
 -implement it as a graphic object to display it directly in Sage;
 -giving a tikz code to be directly plugged in a latex document;
 -maybe in ascii art (to be plotted in a terminal for example)

 This is a work in progress, realized during the Sage Days 78.

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Ticket URL: <https://trac.sagemath.org/ticket/20915>
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