#15428: Partitions to posets
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Reporter: darij | Owner:
Type: enhancement | Status:
Priority: major | positive_review
Component: combinatorics | Milestone: sage-5.13
Keywords: sage-combinat, partition, | Resolution:
poset | Merged in:
Authors: Darij Grinberg | Reviewers: Travis
Report Upstream: N/A | Scrimshaw
Branch: | Work issues:
Dependencies: #15350 | Commit:
| Stopgaps:
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Comment (by nthiery):
Ok, I had missed the fact that the poset you created was indexed by the
cells (i,j). That's a reasonable reason to put at least a shorthand in
partition.
I let you chose the final design and timeline (for this ticket or later)
for the best, knowing that:
- Having a method on standard fillings that build the poset would be
generally useful
- Having a method on partitions building a standard filling containing the
coordinates of the cells could be useful elsewhere.
- The cost of checking that all entries of a filling are distinct and
hashable is really negligible compared to that of building a poset.
- I for myself would not have looked for such a method in Partition in the
first place :-)
- The name "poset", for a partition, is not explicit enough. I would need
to read the documentation to know which poset this is about.
Cheers,
--
Ticket URL: <http://trac.sagemath.org/ticket/15428#comment:11>
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