#15930: CartanType hangs on bad input
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Reporter: mshimo | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.2
Component: combinatorics | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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{{{ sage: CartanType(ZZ) }}}
hangs.
I suggest creating a new sage category for Cartan types
so that there is a graceful way to "type check"
something that should be a Cartan type.
Within this framework one could more explicitly codify "direct product",
"dual", "relabelled" Cartan types.
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Ticket URL: <http://trac.sagemath.org/ticket/15930>
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