#16365: ChainComplex.betti uses wrong base_ring
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       Reporter:  dunfield           |        Owner:
           Type:  defect             |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.3
      Component:  algebraic          |   Resolution:
  topology                           |    Merged in:
       Keywords:                     |    Reviewers:
        Authors:  Nathan Dunfield    |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  44fa8f594d742170714071b52c3760a40439bf1b
  u/dunfield/ticket/16365            |     Stopgaps:
   Dependencies:                     |
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Changes (by {'newvalue': u'Nathan Dunfield', 'oldvalue': ''}):

 * status:  new => needs_review
 * commit:   => 44fa8f594d742170714071b52c3760a40439bf1b
 * author:   => Nathan Dunfield


Comment:

 Upload fix, including adding a doctest which would catch the wrong answer
 in the GF(5) example.
 ----
 New commits:
 
||[http://git.sagemath.org/sage.git/commit/?id=44fa8f594d742170714071b52c3760a40439bf1b
 44fa8f5]||{{{Fixed ChainComplex.betti so that it defaults base_ring
 to}}}||

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Ticket URL: <http://trac.sagemath.org/ticket/16365#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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