#17096: Implement categories for filtered algebras
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Reporter: tscrim | Owner: tscrim
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: categories | Resolution:
Keywords: filtered algebras | Merged in:
Authors: Travis Scrimshaw | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
public/categories/filtered_algebras-17096|
8a747c073e706950d1b14e77458539e126ff0550
Dependencies: | Stopgaps:
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Comment (by tscrim):
Replying to [comment:67 jhpalmieri]:
> It's the same issue.
Okay, we're on the same page. I think the solution is the same.
> My main concern is that I want to be able to have a graded algebra with
an additional filtration on it (ideally so that the associated graded
algebra is bigraded). I think you said (or someone said) that this could
be done with some reworking of the code in this branch. If that's
accurate, then it seems like it would be better to have more flexible code
that could handle this right from the start, instead of implementing it
one way and then rewriting it later on.
I spoke off-hand that there might be a good way to do this as the code
evolved. With some more thought, I think if you have `degree` return `(f,
g)` where `f` is the filtration and `g` the grading, then it should handle
things properly in the same was if you were trying to construct a bigraded
algebra.
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Ticket URL: <http://trac.sagemath.org/ticket/17096#comment:69>
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