#14165: Computing number fields as subfields of algebraic field.
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   Reporter:  mmarco         |             Owner:  davidloeffler
       Type:  enhancement    |            Status:  new          
   Priority:  major          |         Milestone:  sage-5.8     
  Component:  number fields  |          Keywords:               
Work issues:                 |   Report Upstream:  N/A          
  Reviewers:                 |           Authors:               
  Merged in:                 |      Dependencies:               
   Stopgaps:                 |  
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 Adds a method to algebraic field for computing the subfield spanned by
 some elements.

 It may be useful, for example, to transform polynomials over QQbar, or
 over AA, into polynomials over a number field (which can be then treated
 by singular).

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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14165>
Sage <http://www.sagemath.org>
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