#5513: Enhanced support for number field unit groups
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Reporter: cremona | Owner: was
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.4.1
Component: number theory | Keywords: number field unit group
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The attached patch (based on 3.4) implements a new class UnitGroup for the
unit group of a number field. As before, the units are computed using the
pari library, but now it is easier (for example) to obtain all generators
of the unit group. Also, I have added a wrapping for the pari function
bnfisunit() which implements a discrete log function to express any unit
in terms of the generators.
As well as all the documented code and examples in unit_group.py there are
added functions in number_field.py.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5513>
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