#13510: Small change to graph_is_strongly_regular (return the number of
vertices)
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Reporter: ncohen | Owner: jason, ncohen, rlm
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.4
Component: graph theory | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Nathann Cohen | Merged in:
Dependencies: | Stopgaps:
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Changes (by ncohen):
* status: new => needs_review
Old description:
> Geoff Tims mentionned aloud that it would make more sense for
> is_strongly_regular to return quadruples instead of triples : the current
> method does not return the number of vertices which -- although it is not
> hard to get in Sage -- is an important information on a strongly regular
> graph.
>
> This small change is contained in the present patch. Along with the
> remark from http://ask.sagemath.org/question/1782/minor-improvement-to-
> chromatic-number
>
> Nathann
New description:
Geoff Tims mentionned aloud that it would make more sense for
is_strongly_regular to return quadruples instead of triples : the current
method does not return the number of vertices which -- although it is not
hard to get in Sage -- is an important information on a strongly regular
graph.
This small change is contained in the present patch. Along with the remark
from http://ask.sagemath.org/question/1782/minor-improvement-to-chromatic-
number
Nathann
APPLY:
* [attachment:trac_13510.patch]
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13510#comment:1>
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