#1956: implement multivariate truncated power series arithmetic
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Reporter: was | Owner: pernici
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.7
Component: commutative algebra | Keywords: multivariate
power series
Work_issues: | Upstream: N/A
Reviewer: Martin Albrecht, Simon King | Author: Niles Johnson
Merged: | Dependencies:
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Comment(by SimonKing):
Replying to [comment:117 niles]:
> * Others, which I'd rather leave double-underscore for consistency with
the rest and because I don't think the background ring should be treated
casually:
> {{{
> __bg_power_series_ring
> __bg_indeterminate
> __base_ring
> }}}
Why is there a `__base_ring` at all? The base ring is usually taken care
of by inheritance of `sage.structure.parent.Parent` or other base classes.
So, it should certainly be possible to work without a new attribute -- it
seems to be a duplicate.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/1956#comment:120>
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