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Implement `CrossingNumber`

Open james-d-mitchell opened this issue 4 years ago • 2 comments

See https://en.wikipedia.org/wiki/Crossing_number_(graph_theory) for details

james-d-mitchell avatar Jan 30 '21 17:01 james-d-mitchell

@MarkToner will probably be doing this!

mtorpey avatar Sep 23 '24 14:09 mtorpey