#9972: Add fan morphisms
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   Reporter:  novoselt                          |       Owner:  mhampton    
       Type:  enhancement                       |      Status:  needs_review
   Priority:  major                             |   Milestone:  sage-4.6.1  
  Component:  geometry                          |    Keywords:              
     Author:  Andrey Novoseltsev, Volker Braun  |    Upstream:  N/A         
   Reviewer:  Volker Braun, Andrey Novoseltsev  |      Merged:              
Work_issues:                                    |  
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Comment(by novoselt):

 Grrr... That was due to my optimization attempt without proper thinking.
 The new version uses the same cycle as the very first one (which was
 finding everything and even more), but requires equality of image cones.
 Should work now, the blow up example in the documentation is extended to
 include the preimage cones of the quadrant...

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9972#comment:62>
Sage <http://www.sagemath.org>
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