#8241: p-adic fields should have Witt Frobenius
-----------------------------+----------------------------------------------
   Reporter:  dmharvey       |          Owner:  roed        
       Type:  enhancement    |         Status:  needs_review
   Priority:  major          |      Milestone:  sage-4.7.2  
  Component:  padics         |       Keywords:              
Work_issues:                 |       Upstream:  N/A         
   Reviewer:  Kiran Kedlaya  |         Author:  David Roe   
     Merged:                 |   Dependencies:              
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Changes (by leif):

  * reviewer:  => Kiran Kedlaya


Old description:

> If K is an unramified extension of Qp, there should be a function that
> computes the canonical Witt p-Frobenius:
>
> {{{
> sage: K.<a> = Qp(25)
> sage: a.witt_frobenius()
> ???
> }}}

New description:

 If K is an unramified extension of Qp, there should be a function that
 computes the canonical Witt p-Frobenius:

 {{{
 sage: K.<a> = Qp(25)
 sage: a.witt_frobenius()
 ???
 }}}

 ----

 Apply [attachment:8241.patch] to the Sage library.

--

Comment:

 Ping. (#11586, which has positive review, depends on this one.)

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8241#comment:9>
Sage <http://www.sagemath.org>
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