#19545: Mathon's pseudocylic strongly regular graphs.
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Reporter: | Owner:
dimpase | Status: needs_review
Type: | Milestone: sage-6.10
enhancement | Resolution:
Priority: major | Merged in:
Component: graph | Reviewers:
theory | Work issues:
Keywords: | Commit:
Authors: Dima | 9b9d53b154f81144853c15c2916a4ff9eca19b83
Pasechnik | Stopgaps:
Report Upstream: N/A |
Branch: |
u/dimpase/matpc |
Dependencies: |
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Comment (by ncohen):
Hellooooooooo Dima,
Thanks for this additional details in the doc.
About your example: you say in the doc that `that non-isomorphic Latin
squares still lead to isomorphic graphs`, and I have two questions about
it:
1) Are you sure that the latin squares are not isomorphic?
2) Would you mind inserting a 'can' in the sentence above, i.e. 'that non-
isomorphic Latin squares *CAN* still lead to isomorphic graphs'?
Other remarks
1) You should add two backquotes around 'None' in the doc, as they appear
in LaTeX script
2) Funny, that's the first time I see a time-consuming call to
is_isomorphic. Note that computing .automorphism_group (with 'bliss'
installed) is much faster! So far 'bliss' is not automatically called for
isomorphism test, however, but I expect that it would perform much better
if the time taken by automorphism_group is a good indicator
3) About your 'language' issues and the variety of dictators: it's another
matter of taste, but I find your endline '\' quite distateful. Note that
you do not need them when there is an unclosed parenthesis, e.g. the
following works both in the console and in .py code.
{{{
sage: print (1+
....: 1)
2
}}}
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/19545#comment:22>
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