#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-5.11
Component: algebra | Resolution:
Keywords: algebra, quiver, module, days49 | Work issues: Split into
different modules. Use parents and elements.
Report Upstream: N/A | Reviewers:
Authors: Jim Stark, Simon King | Merged in:
Dependencies: #12412, #12413 | Stopgaps:
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Comment (by SimonKing):
Here are the current failures:
{{{
sage -t sage/quivers/paths.py # 91 doctests failed
sage -t sage/quivers/representation.py # 450 doctests failed
sage -t sage/quivers/homspace.py # 127 doctests failed
sage -t sage/quivers/free_small_category.py # ValueError in doctesting
framework
sage -t sage/quivers/quiver.py # 118 doctests failed
sage -t sage/quivers/algebra.py # 78 doctests failed
sage -t sage/quivers/morphism.py # 290 doctests failed
}}}
Scary. But I guess most of them are due to change of syntax. In the
original code, one was able to create a paths without reference to a
quiver, and then multiply them. In the new code, one needs to have a
quiver, get the associated free small category, and construct elements of
it. I think this is cleaner. And after all, in real applications, we
''have'' a quiver.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12630#comment:50>
Sage <http://www.sagemath.org>
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