#10527: Implementation of quiver mutation type
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Reporter: stumpc5 | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.1
Component: combinatorics | Resolution:
Keywords: quiver mutation type days38 | Work issues:
Report Upstream: N/A | Reviewers: Hugh Thomas
Authors: Christian Stump | Merged in:
Dependencies: #10349 | Stopgaps:
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Comment (by hthomas):
Replying to [comment:61 stumpc5]:
> We had a discussion on quivers in cluster algebra and in representation
theory, see #12630. We decided in the end, that we will rename our quivers
for clusters to combinatorial_quivers (since they can be mutated and
stuff, which doesn't make any sense for quivers as input for path
algebras).
>
Thanks for pointing me to #12630.
I'm not really seeing the logic of what is being done here (well, really I
mean #10538) vs what is being done there vs what is now being done both
places. I realize that you and Jim Stark didn't sit down and plan this
out a year ago! But to me, at this point, it doesn't make sense to have
two different sets of code in Sage implementing the same things. There is
some functionality which you have which he doesn't (eg, reflection
functors), as well as functionality which he has and you don't, and I
think the right thing to do is to think about merging.
This suggestion isn't intended to impact any of the cluster algebra code,
which has a different orientation and solves a different set of problems
(in particular, I get it that in cluster algebras, it's most natural to
have mutable quivers, while Jim wants immutable quivers).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10527#comment:62>
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