#19098: implement Taylor 2-graphs for U_3(q) and related srg's
-------------------------------------+-------------------------------------
       Reporter:  dimpase            |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.9
      Component:  graph theory       |   Resolution:
       Keywords:                     |    Merged in:
        Authors:  Dima Pasechnik     |    Reviewers:
Report Upstream:  N/A                |  Work issues:
         Branch:  public/19098       |       Commit:
   Dependencies:  #18972, #18997,    |  21597637cb5c8a4aa781a1be3dae88375a58979b
  #19099, #19133                     |     Stopgaps:
-------------------------------------+-------------------------------------

Comment (by dimpase):

 Replying to [comment:43 ncohen]:
 > - Why?
 > {{{
 > #!diff
 > -        sage: G = SRG_253_140_87_65()                # optional -
 gap_packages
 > -        sage: G.is_strongly_regular(parameters=True) # optional -
 gap_packages
 > +        sage: G = SRG_253_140_87_65()
 > +        sage: G.is_strongly_regular(parameters=True)
 > }}}

 oops, I forgot to merge later updates to #19133. Fixed in the last push,
 as well as fixed
 a further trivial typo in #19133.

 >
 > - (Unrelated) turns out that we have another problem with names
 > {{{
 > sage: graphs.strongly_regular_graph(126,50,13,24)
 > Subgraph of (Distance graph for distance 2 in ): Graph on 126 vertices
 > }}}

 IMHO all these `SRG_...` functions ought to return proper graph names.
 not on this ticket...

--
Ticket URL: <http://trac.sagemath.org/ticket/19098#comment:45>
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