#8392: Implement RSK for generalized permutations
-------------------------------------+-------------------------------------
Reporter: nborie | Owner: tscrim
Type: enhancement | Status: closed
Priority: major | Milestone: sage-5.11
Component: combinatorics | Resolution: fixed
Keywords: permutation, | Merged in: sage-5.11.beta0
check, days38, days45 | Reviewers: Jeff Ferreira, Darij
Authors: Travis Scrimshaw | Grinberg
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #6495, #13605, | Stopgaps:
#8703, #14459, #14319, #14302 |
-------------------------------------+-------------------------------------
Comment (by saliola):
- The ability of doing RSK and EG is a great feature, but the
documentation isn't very clear. What is {{{[3,3,2]}}} mean with EG
insertion? Since it isn't a reduced word, how should this be interpreted?
It's not invertible either:
{{{
sage: P, Q = RSK([3,3,2], insertion='EG')
sage: P
[[2, 3], [3]]
sage: Q
[[1, 2], [3]]
sage: RSK_inverse(P, Q, insertion='EG')
word: 232
}}}
- I would have expected that the output of {{{RSK}}} could be used as
input to {{{RSK_inverse}}}:
{{{
sage: RSK_inverse(RSK([1,2]))
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
<ipython-input-154-cb6c9a6f810d> in <module>()
----> 1 RSK_inverse(RSK([Integer(1),Integer(2)]))
TypeError: RSK_inverse() takes at least 2 arguments (1 given)
}}}
- I noticed that there are tab characters in file.
--
Ticket URL: <http://trac.sagemath.org/ticket/8392#comment:40>
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