#7563: Interval Graphs : recognition
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Reporter: ncohen | Owner: rlm
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.4.4
Component: graph theory | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by ncohen):
* cc: dimpase, mvngu, rlm, wdj, jason (added)
* status: needs_work => needs_review
Old description:
> Recognition of interval graphs and representation of a given graph as a
> list of intervals
New description:
This ticket implement PQ-Trees, to be used as a recognition algorithm for
interval graphs. It also defines the function Graph.is_interval.
For the moment, PQ-Trees are defined inside of the graph/ folder, as it is
where they are useful for the moment, but this may change if someone has a
better idea :-)
I tried to document it as much as I could. Tell me if anything is missing
!
Nathann
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7563#comment:2>
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