#19384: Type B rigged configuration bijection doesn't work when spinor is not
the
only leftmost factor
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Reporter: tscrim | Owner: sage-combinat
Type: defect | Status: new
Priority: critical | Milestone: sage-6.9
Component: combinatorics | Keywords: rigged configurations
Merged in: | Authors: Travis Scrimshaw
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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The following breaks:
{{{
sage: RC = RiggedConfigurations(['B',3,1], [[3,1],[3,1]])
sage: RC._test_bijection()
sage: RC = RiggedConfigurations(['B',3,1], [[1,1],[3,1],[1,1]])
sage: RC._test_bijection()
}}}
This is because we don't keep the vacancy numbers when converting back
from the A,,2n-1,,^(2)^ rigged configurations and instead recompute them
based upon the original dimensions (because we abuse the elements and work
with a mutating copy of them to avoid creating numerous temporary
parents).
--
Ticket URL: <http://trac.sagemath.org/ticket/19384>
Sage <http://www.sagemath.org>
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