#15347: Delete yamanouchi.py
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Reporter: darij | Owner:
Type: defect | Status:
Priority: minor | needs_review
Component: combinatorics | Milestone: sage-5.13
Keywords: yamanouchi, dyck words, | Resolution:
littlewood-richardson, combinat | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by aschilling):
> Nicolas, Anne, Darij, do any of you currently have code to generate
Yamanouci words (without appealing to the crystals code)? I have an idea
about how to do it and could whip something up in a few hours if you think
it's worthwhile to have.
I am currently in the process of finishing a paper with Jennifer on
Yamanouchi elements for flag Gromov-Witten invariants. These are natural
generalizations of the usual Littlewood-Richardson rules. But I think this
code (which at k->infity would be the usual LR coefficients) would be more
natural in the crystal environment. In terms of crystals Yamanouchi
elements are just highest weight elements. So in principle I do not mind
removing this file (or next week we could add them from the crystal set-
up).
Best,
Anne
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Ticket URL: <http://trac.sagemath.org/ticket/15347#comment:5>
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