#18514: Upgrade of group cohomology spkg
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Reporter: SimonKing | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.8
Component: packages: | Resolution:
optional | Merged in:
Keywords: group cohomology | Reviewers:
Authors: Simon King | Work issues: Create a new-style
Report Upstream: None of the above | package with least effort
- read trac for reasoning. | Commit:
Branch: | Stopgaps:
Dependencies: #18494 |
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Comment (by SimonKing):
Replying to [comment:61 SimonKing]:
> Replying to [comment:59 jdemeyer]:
> > Use whatever name that upstream uses. If you're free to choose that, I
prefer `modular_resolutions`.
I got answer of David Green.
- He agrees that, by porting the code on top of the new meataxe, I became
a co-author.
- He coined his package "present", because the original purpose was to
deal with presentations of modular group algebras of prime power groups.
- If I understand correctly, he wouldn't mind renaming it.
I believe that the main purpose of the code is not to compute a
presentation of a modular group algebra, but to compute a minimal
projective resolution of the modular group algebra. At least that's what I
am using it for.
Since the old package is called p_group_cohomology and the cohomology part
will be moved to the Sage library, the package's responsibility will be to
compute resolutions. Perhaps (to remind the old name) p_resolution? I find
modular_resolution too long, Jeroen finds modres too abbreviated (I
guess).
--
Ticket URL: <http://trac.sagemath.org/ticket/18514#comment:65>
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