#3663: add support for affine crystals
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Reporter: mhansen | Owner: aschilling
Type: enhancement | Status: new
Priority: major | Milestone: sage-combinat
Component: combinatorics | Keywords: affine crystals
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Description changed by aschilling:
Old description:
> Implementation of affine crystals from classical crystals:
> - input is a classical crystal together with an automorphism
> - result is an affine crystal
>
> Implementation of Kirillov Reshetikhin crystals:
>
> - Type A_n^{(1)} KR crystals are implemented.
> - Type D_n^{(1)}, B_n^{(1)}, A_{2n}^{(2)} KR crystals are implemented
> using plus-minus diagrams
>
> Depends on trac ticket #4326 on root systems.
New description:
Implementation of affine crystals from classical crystals:
- input is a classical crystal together with an automorphism
- result is an affine crystal
Implementation of Kirillov Reshetikhin crystals:
- Type A_n^{(1)} KR crystals are implemented.
- Type D_n^{(1)}, B_n^{(1)}, A_{2n}^{(2)} KR crystals are implemented
using plus-minus diagrams
Depends on trac ticket #4326 on root systems.
This patch is authored by Brant Jones and Anne Schilling.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/3663#comment:3>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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