#14502: Improvements of hyperbolicity procedures
---------------------------------+------------------------------------------
       Reporter:  dcoudert       |         Owner:  jason, ncohen, rlm
           Type:  enhancement    |        Status:  needs_review      
       Priority:  major          |     Milestone:  sage-5.10         
      Component:  graph theory   |    Resolution:                    
       Keywords:                 |   Work issues:                    
Report Upstream:  N/A            |     Reviewers:                    
        Authors:  David Coudert  |     Merged in:                    
   Dependencies:                 |      Stopgaps:                    
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Comment (by dcoudert):

 I assume you are speaking about
 {{{
 hh_UB = min( hh_UB, D)
 }}}
 We know that delta is upper bounded by D/2. So if hh_UB is larger than D/2
 because the algorithm we have used gives hh_UB = hh+8 for instance, then
 we know that the upper bound higher than what we really have. So reducing
 hh_UB will not violate the requirement for an additive or multiplicative
 approx (we have a better solution).

 But may be I'm missing something ?

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14502#comment:6>
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