#10446: Schuetzenberger Involution
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Reporter: ebeyerstedt | Owner: sage-combinat
Type: task | Status: new
Priority: major | Milestone:
Component: combinatorics | Keywords: schuetzenberger,
involution, words
Author: Erin Beyerstedt, Ilke Canakci | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by aschilling):
This already looks very good!
One suggestion I have is to check whether there is an alphabet associated
to a given word 'self'. In this case it would be better to use the maximum
of the alphabet instead of the maximum of the appearing letters. For
example, if you inputted
sage: w=Word([1,2,3],alphabet=[1,2,3,4,5])
sage: w.alphabet()
Ordered Alphabet [1, 2, 3, 4, 5]
then you would like the Schuetzenberger involution to return the word
345 instead of 123.
Anne
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10446#comment:2>
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