The dual three-color pseudo-disk arrangement conjecture

Let A\mathcal A be a pseudo-disk arrangement, and let its members be the objects to be colored. The dual pseudo-disk arrangement conjecture. The members of any pseudo-disk arrangement admit a 33-coloring such that every point contained in at least 33 pseudo-disks is contained in two pseudo-disks with different colors. The source calls this the natural dual counterpart of the primal pseudo-disk arrangement conjecture and gives no resolution.

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Primary source

Balázs Keszegh and Dömötör Pálvölgyi, “Proper Coloring of Geometric Hypergraphs”, arXiv:1612.02158 (2019).

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