Opened 3 years ago
Last modified 3 years ago
#25800 new enhancement
Posets: Add converse of lexicographic sum
Reported by: | jmantysalo | Owned by: | |
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Priority: | major | Milestone: | sage-8.4 |
Component: | combinatorics | Keywords: | |
Cc: | Merged in: | ||
Authors: | Jori Mäntysalo | Reviewers: | |
Report Upstream: | N/A | Work issues: | |
Branch: | Commit: | ||
Dependencies: | #25872 | Stopgaps: |
Description (last modified by )
Add decomposition of poset to prime posets (or chains or antichains), i.e. kind of converse of lexicographic_sum
.
This should be useful for optimizing dimension and jump number. However I suppose that this is also nice to have as public method.
Change History (2)
comment:1 Changed 3 years ago by
- Description modified (diff)
comment:2 Changed 3 years ago by
- Dependencies set to #25872
- Milestone changed from sage-wishlist to sage-8.4
On hold until #25872 is fixed.
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Something like this, I suppose. 8.3rc0 is out, so target will be 8.4.