#16988: Implement type D_4^{(3)} rigged configuration bijection
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Reporter: tscrim | Owner: sage-combinat
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.10
Component: combinatorics | Resolution:
Keywords: rigged | Merged in:
configurations, KR tableaux | Reviewers: Ben Salisbury
Authors: Travis Scrimshaw | Work issues:
Report Upstream: N/A | Commit:
Branch: | 500628b8fa311267c900ec34126762e5d029d038
public/rigged_configurations/type_D_tri_bijection-16988| Stopgaps:
Dependencies: #16876 #16974 |
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Comment (by tscrim):
It's not a Heisenbug as I can regularly reproduce this when I run long
tests on just `kr_tableaux.py`. I have traced this down to somewhere there
is an `s` for a KR crystal that is being created as a python `int`:
{{{
sage: K = crystals.KirillovReshetikhin(['D',4,1], 4, int(1))
sage: K.classical_crystal
The crystal of tableaux of type ['D', 4] and shape(s) [[0, 0, 0, 0]]
}}}
This patch just exposed this issue that `self.s()` needs to be explicitly
converted to a rational number for the `s/2` part of the classical
decomposition.
--
Ticket URL: <http://trac.sagemath.org/ticket/16988#comment:15>
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