#13787: Bug in GenericGraph.line_graph() when the vertices cannot be compared
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Reporter: ncohen | Owner: jason, ncohen, rlm
Type: defect | Status: new
Priority: major | Milestone: sage-5.6
Component: graph theory | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors: Nathann Cohen
Merged in: | Dependencies:
Stopgaps: |
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Reported by Georgi Guninski :
{{{
sage: g=graphs.KneserGraph(7,1)
sage: C = graphs.CompleteGraph(7)
sage: C.is_isomorphic(g)
True
sage: C.line_graph().is_isomorphic(g.line_graph())
False
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13787>
Sage <http://www.sagemath.org>
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