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log of an asymptotic expansion ignores coefficient ring #19412

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dkrenn opened this issue Oct 15, 2015 · 2 comments
Open

log of an asymptotic expansion ignores coefficient ring #19412

dkrenn opened this issue Oct 15, 2015 · 2 comments
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c: asymptotic expansions p: major / 3 t: bug

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@dkrenn
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dkrenn commented Oct 15, 2015 

sage: A.<x> = AsymptoticRing('x^ZZ * log(x)^ZZ', QQ)
sage: log(x^4).parent()
Asymptotic Ring <x^ZZ * log(x)^ZZ> over Integer Ring

The correct parent should be

Asymptotic Ring <x^ZZ * log(x)^ZZ> over Rational Field

Depends on #19083

CC: @cheuberg @behackl

Component: asymptotic expansions

Issue created by migration from https://trac.sagemath.org/ticket/19412
@dkrenn dkrenn added this to the sage-6.10 milestone Oct 15, 2015
@dkrenn
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dkrenn commented Oct 15, 2015

comment:1

Not tried, but there should be an easy fix in the _create_element_via_parent_ methods.

@dkrenn
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dkrenn commented Oct 15, 2015

Dependencies: #19083

@mkoeppe mkoeppe removed this from the sage-6.10 milestone Dec 29, 2022
@behackl behackl mentioned this issue Dec 29, 2022
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