Keywords: Period-3-graph.svg A strongly-connected graph in which all cycle lengths are divisible by three Therefore this graph is not aperiodic en wikipedia 2006-10-16 David Eppstein wikipedia en David Eppstein original upload log page en wikipedia Period-3-graph png 2006-10-16 00 47 David Eppstein 265×231×8 4413 bytes <nowiki>A strongly-connected graph in which all cycle lengths are divisible by three Therefore this graph is not aperiodic </nowiki> Directed planar graphs Files by User David Eppstein from en wikipedia |