Bishellable drawings of $K_n$

Bernardo M. Ábrego, Oswin Aichholzer, Silvia Fernández-Merchant +6

The Harary--Hill conjecture, still open after more than 50 years, asserts that the crossing number of the complete graph $K_n$ is $ H(n) = \frac 1 4 \left\lfloor\frac{\mathstrut n}…