#16892: Function to check if a poset containt a subposet isomorphic to another
poset
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Reporter: jmantysalo | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-wishlist
Component: combinatorics | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jmantysalo/function_to_check_if_a_poset_containt_a_subposet_isomorphic_to_another_poset|
f13f2385d2b79adad5dae8282162d776bb8114bd
Dependencies: | Stopgaps:
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Comment (by jmantysalo):
1) Should I open a new ticket about `transitive_closure`? And if so, mark
it as a dependency to this one? I have no idea about what to check on
DiGraph class; hence, if I made a fix and you review it, it will actually
be work of only one person. If I have understood correctly, idea is to
have always two people looking at code.
2) About dokumentation: I already made an example on N5 containing
4-element diamond lattice. Would this be enought for documentation:
"Return True if the poset contains a subposet isomorphic to other. By
subposet we mean a poset containing elements with partial order induced by
that of self."?
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Ticket URL: <http://trac.sagemath.org/ticket/16892#comment:8>
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