#16892: Function to check if a poset containt a subposet isomorphic to another
poset
-------------------------------------+-------------------------------------
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: 16909 | Stopgaps:
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Comment (by jmantysalo):
As for default behaviour, I asked few mathematicians what they guess the
function would do if they only know it's name.
In any case, it must be documented. Now when I think more: "having
subgraph" is quite different from "having subposet", and "having
sublattice" is stille one more thing.
About posets.py vs. hasse_diagram.py: Actually I don't know. Saying
{{{
fgrep 'return self._hasse_diagram.' combinat/posets/posets.py
}}}
shows that there are 14 functions that are just wrappers to underlying
hasse_diagram -function. Should this be discussed on sage-devel -list?
--
Ticket URL: <http://trac.sagemath.org/ticket/16892#comment:13>
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