#8392: Check when defining a permutation by one-line notation (list of int)
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Reporter: nborie | Owner: tscrim
Type: defect | Status:
needs_review
Priority: major | Milestone:
sage-5.7
Component: combinatorics | Resolution:
Keywords: permutation, check, days38, days45 | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Travis Scrimshaw | Merged in:
Dependencies: | Stopgaps:
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Changes (by tscrim):
* keywords: permutation, check, days38 => permutation, check, days38,
days45
* status: needs_work => needs_review
Old description:
> Since the user is currently very strongly encouraged to use good
> formatting in #13742, there is no longer a good way to do certain methods
> which were more designed for words (ex. `robinson_schensted()`)
>
> Before, sage would accept that:
> {{{
> sage: Permutation([1,1,1,1,1])
> [1, 1, 1, 1, 1]
> sage: Permutation([-12,1,3])
> [-12, 1, 3]
> }}}
>
> This ticket plans to separate out the `RSK` into a global function which
> takes various types of input and runs the row insertion and also does the
> same for the inverse. This ticket might also have permutations inherit
> from `Word`.
New description:
Since the user is currently very strongly encouraged to use good
formatting in #13742, there is no longer a good way to do certain methods
which were more designed for words (ex. `robinson_schensted()`)
Before, sage would accept that:
{{{
sage: Permutation([1,1,1,1,1])
[1, 1, 1, 1, 1]
sage: Permutation([-12,1,3])
[-12, 1, 3]
}}}
This ticket is to give an easy way to run RSK on the first one.
More explicitly, this ticket separates out the `RSK` into a global
function which takes various types of input and runs the row insertion and
also does the same for the inverse.
----
Apply only: [attachment: trac_8392-check_permutation-ts.patch]
--
Comment:
For patchbot:
Apply: trac_8392-check_permutation-ts.patch
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8392#comment:6>
Sage <http://www.sagemath.org>
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