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added graph theory tag

edited Apr 17, 2012 at 12:56

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Crossing number of the Grötzsch graph

Related wikipage: http://en.wikipedia.org/wiki/Gr%C3%B6tzsch_graph

Is the crossing number of the Grötzsch graph known? I have heard it conjectured to be 5 (certainly it is no greater), but came up empty-handed in my search of the literature.

co.combinatorics graph-theory

asked Apr 17, 2012 at 9:07

Benjamin Dickman

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