Crossing number is hard for cubic graphs
Journal of Combinatorial Theory Series B
On the crossing numbers of Cartesian products with paths
Journal of Combinatorial Theory Series B
Improved upper bounds on the crossing number
Proceedings of the twenty-fourth annual symposium on Computational geometry
Orthogonal drawings and crossing numbers of the Kronecker product of two cycles
Journal of Parallel and Distributed Computing
Planar crossing numbers of genus g graphs
ICALP'06 Proceedings of the 33rd international conference on Automata, Languages and Programming - Volume Part I
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It has been long conjectured that the crossing number of Cm × Cn is (m-2)n, for all m, n such that n ≥ m ≥ 3. In this paper, it is shown that if n ≥ m(m + 1) and m ≥ 3, then this conjecture holds. That is, the crossing number of Cm × Cn is as conjectured for all but finitely many n, for each m. The proof is largely based on techniques from the theory of arrangements, introduced by Adamsson and further developed by Adamsson and Richter. © 2004 Wiley Periodicals, Inc. J Graph Theory 47: 53–72, 2004