#10527: Implementation of quiver mutation type
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Reporter: stumpc5 | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.3
Component: combinatorics | Resolution:
Keywords: quiver mutation type days38 | Work issues:
Report Upstream: N/A | Reviewers: Hugh Thomas
Authors: Christian Stump | Merged in:
Dependencies: | Stopgaps:
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Comment (by gmoose05):
I have now rolled back my recent changes. I believe there are some
advantages to making further changes to the quiver_mutation_type.py file,
but these advantages only occur in conjunction with the quiver.py file.
Thus, we still should discuss my ideas to see if there's possible bugs
that I'm not foreseeing, but these no longer affect #10527, only #10538.
I have moved those changes (except for the bugs you found) out of my
recent patch.
The general point is that I don't want to add more quiver mutation types,
I only want to allow more flexibility in the user building a quiver.
Since quiver_mutation_type.py is where we define all the digraphs anyway,
my default plan was to eventually define more digraphs in
quiver_mutation_type.py through a private method that a user won't
directly access. In fact, we already have this programmed,
!QuiverMutationType_Irreducible, which is not imported into the global
name space. In #10538, I was planning to have a patch that will allow the
!ClusterQuiver class to call this command for certain user inputs. This
is somewhat like the suggestion you just made, if I understood correctly.
Short summary: my patch now only takes care of the issues you recently
raised.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10527#comment:120>
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