#8327: Implement the universal cyclotomic field, using Zumbroich basis
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Reporter: nthiery | Owner:
Type: enhancement | Status:
needs_review
Priority: major | Milestone: sage-5.6
Component: number fields | Resolution:
Keywords: Cyclotomic field, Zumbroich basis | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Christian Stump, Simon King | Merged in:
Dependencies: #13727, #13728 | Stopgaps:
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Comment (by SimonKing):
Replying to [comment:151 robertwb]:
> * ... (Also, for CyclotomicFieldCached, better to fix this to make
CyclotomicField faster, possibly using a weakref cache or one of the
unique parent factories.)
Small remark: `UniqueRepresentation` currently uses a permanent cache, but
will hopefully use a weak cache at some point in the future - see #12215.
I think the `UniqueFactory` already has a weak cache - but please verify.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8327#comment:152>
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