#12850: Fix coercions for CyclotomicField with different embeddings
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Reporter: stumpc5 | Owner: davidloeffler
Type: defect | Status: new
Priority: major | Milestone: sage-5.0
Component: number fields | Keywords: cyclotomic field
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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With the current coercion between cyclotomic fields, we get an non-
commutative coercion diagram:
{{{
sage: CF1 = CyclotomicField(5)
sage: CF2 = CyclotomicField(5,embedding = (4 * CLF.pi() * CLF.gen() /
5).exp())
sage: CC(CF1.gen()-CF2.gen())
0
sage: CC(CF1.gen()) - CC(CF2.gen())
1.11803398874989 + 0.363271264002680*I
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12850>
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