#15161: Parent/Element relation for ChainComplex/Chain
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Reporter: vbraun | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.12
Component: algebraic | Resolution:
topology | Merged in:
Keywords: | Reviewers:
Authors: Volker Braun | Work issues:
Report Upstream: N/A | Commit:
Branch: | 7e075ed92f58f2c1cf03518e0facbf9ee48c8a78
u/vbraun/chain_complex_parents | Stopgaps:
Dependencies: |
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Comment (by jhpalmieri):
I don't understand the example `C.an_element()` in the ticket description:
all of the differentials are zero, so the various listed elements can't be
mapping to each other. I would expect that an element would be an element
of a single `C^i`, or possibly an element of the direct sum of all of the
`C^i`'s, and I would prefer the first choice.
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Ticket URL: <http://trac.sagemath.org/ticket/15161#comment:5>
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