#11457: Witt Vectors
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       Reporter:  tdupu                       |         Owner:  roed    
           Type:  enhancement                 |        Status:  new     
       Priority:  major                       |     Milestone:  sage-5.7
      Component:  padics                      |    Resolution:          
       Keywords:  witt vectors, padic, rings  |   Work issues:          
Report Upstream:  N/A                         |     Reviewers:          
        Authors:  Taylor Dupuy, David Roe     |     Merged in:          
   Dependencies:                              |      Stopgaps:          
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Comment (by kcrisman):

 On an unrelated note, it would be helpful to know which (all? just the
 last two?) patches here are to be applied, and perhaps to make one big
 "master" patch as well, if relevant.

 @darij: would it be possible to "fix" the issues you raise by appropriate
 documentation about allowable base rings (or even try/except or assert for
 inappropriate ones)?  I do agree that whatever infrastructure is here
 should be robust enough to eventually support at least the big Witt
 vectors, if not even other sets.  Maybe a placeholder class to inherit
 from...

 Another thought - is there really any reason to have the functions
 `wittsum` etc. as separate functions?

 Finally, there are various formatting issues, but that's not worth fixing
 until a more final patch, likely.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11457#comment:9>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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