#6557: fix bug in number field caching
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Reporter: was | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-4.1.1
Component: number theory | Keywords:
Reviewer: | Author:
Merged: |
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{{{
Here are two independent Sage 4.1 sessions which demonstrate that the
construction of NumberField's is context dependent:
sage: K.<x> = CyclotomicField(5)[]
sage: W.<a> = NumberField(x^2 + 1)
sage: W
Number Field in a with defining polynomial x^2 + 1 over its base
field
sage: W1 = NumberField(x^2+1,'a')
sage: K.<x> = CyclotomicField(5)[]
sage: W.<a> = NumberField(x^2 + 1)
sage: W
Number Field in a with defining polynomial x^2 + 1
In fact:
sage: W1 is W0
True
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6557>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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