#12882: Allows a generalized Cartan matrix as input for Dynkin diagrams
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Reporter: stumpc5 | Owner:
sage-combinat
Type: enhancement | Status:
needs_review
Priority: major | Milestone:
sage-5.4
Component: combinatorics | Resolution:
Keywords: Weyl group, Dynkin diagram, Cartan matrix | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Christian Stump | Merged in:
Dependencies: | Stopgaps:
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Comment (by stumpc5):
Replying to [comment:5 hthomas]:
> Hi Christian--
>
> Your code is checking that all the off-diagonal entries in the input
matrix are strictly negative. That seems a bit over-enthusiastic.
>
> A doctest for the new functionality would also be good.
Hi Hugh!
Thanks for bringing back my/our attention to this ticket!
I will be too busy to actively work on this patch in the next two weeks,
but feel free to take it over and review/finish it if you like! I will now
provide a version that you can work with (in particular, I deleted the
dependency). Of course, you can as well wait until I finish the patch, if
you prefer.
Best, Christian
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12882#comment:8>
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