#17361: Poset: Add ordinal_product
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Reporter: | Owner:
jmantysalo | Status: new
Type: | Milestone: sage-wishlist
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers:
combinatorics | Work issues:
Keywords: poset | Commit:
Authors: | abeef07ddd88246d8564692ff57ff17f62c5eb3f
Frédéric Chapoton | Stopgaps:
Report Upstream: N/A |
Branch: |
u/chapoton/17361 |
Dependencies: |
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Changes (by jmantysalo):
* cc: ncohen (added)
Comment:
I cc Nathann to this, because he knows digraphs. I tested with product of
`BooleanLattice(5)` with itself. It took 14 seconds with code of this
ticket, whereas `lexicographic_product` took 18 seconds. This is
interesting. Nathann has just corrected a slowdown on generating digraph
from dict, maybe this is related?
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Ticket URL: <http://trac.sagemath.org/ticket/17361#comment:10>
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