#18013: Implement abstract tableau refactoring
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Reporter: jpswanson | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.6
Component: combinatorics | Resolution:
Keywords: days64, sage- | Merged in:
combinat, tableaux, refactoring, | Reviewers:
days64.25 | Work issues:
Authors: Josh Swanson | Commit:
Report Upstream: N/A | d88663e3105b48b848fc33f1237471cabe0d6311
Branch: public/18013 | Stopgaps:
Dependencies: |
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Comment (by jpswanson):
days64.25 is essentially done, so I'm not sure when I'll get to work on
this ticket again--hopefully soon. In any case, stuff that still needs to
be done:
* Implement coercions to construct skew tableaux from the four formats.
This will fix most of the remaining failing doctests, be more general,
remove some special-case code, etc. Figure out how to deal with validation
in this case--probably turn `from_expr` and friends into underscore
methods which bypass the coercion framework and optionally bypass
validation.
* Turn the dispatcher classes which currently use `__classcall_private__`
into dispatcher methods.
* Address the TODO's.
* Go through documentation:
* Add doctests to new methods
* Deal with orphaned doctests
* Unify Element and Parent docstrings
* Update the rest of Sage to refer to the new `SkewTableaux` location.
* Doctest the rest of Sage.
I also made two changes that might be controversial since they affect how
user's code works.
1. I added (optional; default: enabled) validation to `SkewTableau`.
2. I moved some methods (e.g. `restrict` and `to_chain`) from
`SkewTableau` to the newly created `SemistandardSkewTableau`.
My hope is that people are mostly constructing these tableaux by iterating
over, say, `StandardSkewTableaux(...)`, in which case these are not an
issue.
--
Ticket URL: <http://trac.sagemath.org/ticket/18013#comment:16>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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