#8911: Categorification of Crystals
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Reporter: aschilling | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone:
Component: combinatorics | Keywords: crystals, categories
Author: Anne Schilling | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by newvalueoldvalue):
* keywords: => crystals, categories
* status: new => needs_review
* author: => Anne Schilling
Old description:
New description:
Trac # 8911: Use category framework for crystal code
(depends on #8881)
New crystal categories:
- crystals
- finite_crystals
- highest_weight_crystals
- classical_crystals
together with a template in
categories/example/crystals
on how to implement a new crystal.
The files
combinat/crystals/letters.py and
combinat/crystals/tensor_product.py
combinat/crystals/spins.py
combinat/crystals/fast_crystals.py
combinat/crystals/highest_weight_crystals.py
combinat/crystals/direct_sum.py
combinat/crystals/affine.py
combinat/crystals/kirillov_reshetikhin.py
have been categorified. What was before in
combinat/crystals
is now mostly in the various categories except for the BackTracker class
and the documentation about crystals.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8911#comment:1>
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