#6101: computation of induced morphism on homology and cohomology of simplicial
complex morphisms
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Reporter: bantieau | Owner: bantieau
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: algebraic | Resolution:
topology | Merged in:
Keywords: | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: u/jhpalmieri | 048061cb41ace2fb9563cf99bb2f7f9fcbe80516
/induced-maps | Stopgaps:
Dependencies: #19179, #6102 |
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Comment (by cnassau):
Replying to [comment:15 jhpalmieri]:
> Good suggestions, Christian. I've made some changes to try to address
them.
>
> Regarding $H_0$ and $H_1$ (currently `._f` and `._g`), I don't know good
names either, but I also almost never needed to use those attributes (only
when constructing the dual chain homotopy).
I wonder if we might use bracket-notation, so that a homotopy `H` goes
from `H[0]` to `H[1]`? But I don't know if there are precedents in Sage
for custom {{{__getitem__}}}, {{{__setitem__}}} methods. And I'm also not
sure, whether there's a real need for this...
--
Ticket URL: <http://trac.sagemath.org/ticket/6101#comment:21>
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