Abstract
We show that \({\rm cr}(G) \leq {2 {\rm iocr}(G) \choose 2}\) settling an open problem of Pach and Tóth [5,1]. Moreover, iocr(G) = cr(G) if iocr(G) ≤ 2.
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Pelsmajer, M.J., Schaefer, M., Štefankovič, D. (2010). Removing Independently Even Crossings. In: Eppstein, D., Gansner, E.R. (eds) Graph Drawing. GD 2009. Lecture Notes in Computer Science, vol 5849. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11805-0_20
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