#18350: Adams operator
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Reporter: elixyre | Owner:
Type: task | Status: needs_review
Priority: major | Milestone: sage-6.7
Component: categories | Resolution:
Keywords: | Merged in:
Authors: Jean-Baptiste | Reviewers:
Priez | Work issues:
Report Upstream: N/A | Commit:
Branch: | fc8726a50725479d84aa9a07f55e28e1f879880a
u/elixyre/ticket/18350 | Stopgaps:
Dependencies: |
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Comment (by nthiery):
Replying to [comment:8 elixyre]:
> That is easy to implement an ugly `nfold_coproduct` (as I did) but I
don't know how to implement an `nfold_product`. Where implements it?
Typically a method in Algebras.ParentMethods whose code would be along
the following lines (not tested!):
{{{
T = tensor([self]*n)
T.module_morphism(lambda t: self.product(self.monomial(i) for i in t),
codomain=self)
}}}
Btw: I looked at the code of #15832: there are many other things in
the branch attached to the ticket; I'll try to extract a branch with
just the ticket-relevant feature tomorrow.
Cheers,
Nicolas
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Ticket URL: <http://trac.sagemath.org/ticket/18350#comment:10>
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