#6101: computation of induced morphism on homology and cohomology of simplicial
complex morphisms
-------------------------------------+-------------------------------------
Reporter: bantieau | Owner: bantieau
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.10
Component: algebraic | Resolution:
topology | Merged in:
Keywords: | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: u/jhpalmieri | ec81de20addced6a723f51413c3ffb31eaf4bc13
/induced-maps | Stopgaps:
Dependencies: #19179, #6102 |
-------------------------------------+-------------------------------------
Comment (by jhpalmieri):
If I try to merge #18175, the test suite fails more tests than before:
{{{
The following tests failed: _test_an_element, _test_elements,
_test_elements_eq_reflexive, _test_elements_eq_symmetric,
_test_elements_eq_transitive, _test_elements_neq, _test_some_elements
}}}
because
{{{
NotImplementedError: please implement _an_element_ for Simplicial complex
...
}}}
I'm not sure what `_an_element_` should return: a simplex (since a
simplicial complex is a set of simplices)? a vertex (since their images
determine maps)? a facet (since they determine the complex)?
As far as morphisms go, it was not hard to switch to them (assuming I did
everything right).
--
Ticket URL: <http://trac.sagemath.org/ticket/6101#comment:30>
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