#12136: FVS function in DiGraph returns [0] instead of [] if already directed
acyclic
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Reporter: fichtejo | Owner: tbd
Type: defect | Status: new
Priority: trivial | Milestone: sage-4.8
Component: PLEASE CHANGE | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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I was wondering why the feedback vertex set method
in [http://trac.sagemath.org/sage_trac/browser/sage/graphs/digraph.py#L1578
DiGraph] returns Set(![0]) instead of the empty set at dag the test. Is
there any reason?
Otherwise I'd like to change this.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12136>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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