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Jul 20, 2015 at 17:33 vote accept Turbo
Jul 21, 2015 at 20:40
Jul 17, 2015 at 16:00 comment added David Eppstein No, the cycle basis article is about a different (non-algebraic) invariant of directed graphs.
Jul 17, 2015 at 5:01 history answered David Eppstein CC BY-SA 3.0