The crossing number cr(G) of a graph G is the minimum possible number of edge crossings in a drawing of G, and the pair-crossing number pair-cr(G) is the minimum possible number of crossing pairs of edges in a drawing of G. Clearly, pair-cr(G) ≤ cr(G). We show that for any graph G, cr(G) = O(pair-cr(G)7/4 log 3/2 (pair-cr(G))).
CITATION STYLE
Tóth, G. (2013). A better bound for the pair-crossing number. In Thirty Essays on Geometric Graph Theory (Vol. 9781461401100, pp. 563–567). Springer New York. https://doi.org/10.1007/978-1-4614-0110-0_30
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