#15463: Implement crystal morphisms, subcrystals, and virtual crystals
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Reporter: tscrim | Owner: sage-combinat
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.8
Component: combinatorics | Resolution:
Keywords: crystals, | Merged in:
morphisms, subcrystals | Reviewers: Anne Schilling
Authors: Travis Scrimshaw | Work issues:
Report Upstream: N/A | Commit:
Branch: | f35e70875f6f8524cd788a78997314d4c85bb243
public/combinat/crystals/crystal_morphisms| Stopgaps:
Dependencies: #15462 #15882 |
#16001 #18453 #18722 |
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Comment (by tscrim):
So the issue is in `rigged_configurations/bij_infinity.py` where we test
elements in a subcrystal, whose elements are no longer elements in the
crystal and there is no coercion map from the subcrystal to the ambient
crystal. I'm working on implementing the coercion.
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Ticket URL: <http://trac.sagemath.org/ticket/15463#comment:81>
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