#17252: bug fix in StrongTableaux.marked_CST_to_transposition_sequence
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Reporter: zabrocki | Owner:
Type: defect | Status: needs_work
Priority: minor | Milestone: sage-6.4
Component: combinatorics | Resolution:
Keywords: | Merged in:
Authors: Mike Zabrocki | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
public/combinat/zabrocki/fixstrongtableaux/17252|
a48b105bfb91aaeacac7cd6606b57aa585f3bc23
Dependencies: | Stopgaps:
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Comment (by zabrocki):
Testing if one of the corner cells has a mark is not sufficient because it
could be that the next ribbon to remove is of shape (1,1) and the marked
cell will not be on a corner.
I am coming to the conclusion that the test will need to be recursive.
That is, the transposition sequence begins in t_{ij} if t_{ij} is a
removable ribbon and if t_{ij} T has a transposition sequence which
reduces it to empty.
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Ticket URL: <http://trac.sagemath.org/ticket/17252#comment:4>
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