#10168: fraction field of InfinitePolynomialRing
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Reporter: chapoton | Owner: malb
Type: defect | Status: new
Priority: minor | Milestone:
Component: commutative algebra | Keywords: fraction field
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Description changed by chapoton:
Old description:
> I would like to use the fraction field of infinite polynomial ring.
>
> {{{
> sage: X.<x,y> = InfinitePolynomialRing(QQ, implementation='sparse')
> sage: z=R(x[1])
> sage: 1/z
> }}}
>
> So far, one gets
> {{{
> NotImplementedError: Fraction Fields of Infinite Polynomial Rings are not
> implemented
> }}}
>
> This seems to be a coercion problem.
New description:
I would like to use the fraction field of infinite polynomial ring.
{{{
sage: P.<x,y> = InfinitePolynomialRing(QQ, implementation='sparse')
sage: z=P(x[1])
sage: 1/z
}}}
So far, one gets
{{{
NotImplementedError: Fraction Fields of Infinite Polynomial Rings are not
implemented
}}}
This seems to be a coercion problem.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10168#comment:4>
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