#13700: fix non-crystallographic "example" of Dynkin diagram
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Reporter: hthomas | Owner: sage-
| combinat
Type: defect | Status: new
Priority: minor | Milestone: sage-6.4
Component: combinatorics | Resolution:
Keywords: root system, Dynkin diagram | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by hthomas):
I don't exactly know why I got worked up enough about this to open a
ticket.
My usage (which I think is typical of people in representation theory of
finite-dimensional algebras) is that Dynkin diagrams are of types A to G.
Maybe the thing that bugged me is that if you ask for an instance of a
Dynkin diagram, I feel like you should get a typical instance. I feel
like C_3 would be a better choice.
But I don't have a clear sense of how questions like this are resolved in
Sage.
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Ticket URL: <https://trac.sagemath.org/ticket/13700#comment:8>
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