#11688: graded modules and graded algebras
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Reporter: chapoton | Owner: sage-combinat
Type: enhancement | Status: new
Priority: minor | Milestone: sage-5.0
Component: combinatorics | Keywords: graded modules, graded algebras
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Currently some properties of graded modules are implemented in graded
algebras. It is necessary to put them in their proper place.
One precise reason is that one can them use these properties for operads.
One would like to have something like that:
{{{
sage: PL=PreLieOperad(QQ)
sage: a=PL.one()
sage: a.is_homogeneous()
True
sage: a.homogeneous_component(2)
0
}}}
For this, one needs the "homogeneous_component" method for elements and
not for modules. Maybe "restrict_degree" would be more adequate, like for
power series.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11688>
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