#12630: Add representations of quivers and quiver algebras to sage
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Reporter: JStarx | Owner: AlexGhitza
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.2
Component: algebra | Resolution:
Keywords: algebra, quiver, | Merged in:
module, days49 | Reviewers: Simon King
Authors: Jim Stark, Simon | Work issues:
King, Mathieu Guay-Paquet, Aladin | Commit:
Virmaux | 72fb2eb71459f4ac76b0d922a7ad788c660a8017
Report Upstream: N/A | Stopgaps:
Branch: |
u/SimonKing/ticket/12630 |
Dependencies: #12412, #12413, |
#14806, #15491, #15623 |
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Comment (by SimonKing):
Replying to [comment:172 ncohen]:
> Hmmmmm... What would you want to change in `neighbor_out_iterator` ?
Well, in all the "quiver" applications, I want it to iterate over paths-
of-arrows, but it currently gives paths-of-vertices.
> My secret hope is that whatever you want `neighbor_out_iterator` to give
you there is already another way to obtain it, for I don't really want to
add anything smart in this function which we already try to make FAST.
Tell me, and we'll find a way.
I have to check where in the quiver code `all_paths` (or an iterator) is
really used. There are (of course) iterators over the outgoing arrows of a
vertex (provided by the backend), and I suppose I can build an iterator on
top of it.
--
Ticket URL: <http://trac.sagemath.org/ticket/12630#comment:175>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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