#7904: is_gallai_tree
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Reporter: ncohen | Owner: rlm
Type: defect | Status: new
Priority: major | Milestone: sage-4.3.1
Component: graph theory | Keywords:
Work_issues: | Author:
Upstream: N/A | Reviewer:
Merged: |
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From the docstring :
A graph is a Gallai tree if and only if it is connected and its
`2`-connected components are all isomorphic to complete graphs or odd
cycles.
This patch also slightly touches the function is_clique, which was
unnecessarily copying the whole graph 2 times :
* Firstly, using the subgraph method
* Secondly, using the to_simple method
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7904>
Sage <http://www.sagemath.org>
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