#13856: Add a top_class method to the Steenrod algebra
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Reporter: cnassau | Owner: jhpalmieri
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-5.7
Component: algebraic topology | Resolution:
Keywords: Steenrod algebra | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Christian Nassau | Merged in:
Dependencies: | Stopgaps:
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Comment (by cnassau):
Replying to [comment:4 jhpalmieri]:
I think I would generally expect that "{{{P(x).parent() is P}}}" for every
parent `P`, so your change seems pretty sensible. But maybe this
expectation is too naive, as I've recently come across the (new?) notion
of a "facade set" - I haven't studied those but they made me wonder
whether a subalgebra should best be a facade for the ambient parent?
Currently I have no idea what the impact of that approach would be... so I
think we should indeed leave this question for a different ticket.
Best, \\
Christian
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13856#comment:5>
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