#8984: Implementation of the Lenart--Postnikov alcove path crystal
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Reporter: brant.c.jones | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone:
Component: combinatorics | Keywords:
Author: Brant Jones | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Description changed by brant.c.jones:
Old description:
> This is an implementation of the Lenart--Postnikov alcove path model as
> described in:
>
> A combinatorial model for crystals of Kac-Moody algebras. Trans. Amer.
> Math. Soc. 360 (2008).
>
> It also implements to_coroot_lattice_morphism() and associated_coroot()
> in root_lattice_realization.py.
New description:
This is an implementation of the Lenart--Postnikov alcove path model as
described in:
A combinatorial model for crystals of Kac-Moody algebras. Trans. Amer.
Math. Soc. 360 (2008).
It also implements to_coroot_lattice_morphism() and associated_coroot() in
root_lattice_realization.py.
Depends on #8911 (trac_8911_categorification_crystals-as.patch).
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8984#comment:2>
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