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Convergence Times of Decentralized Graph Coloring Algorithms
Paul B. de Supinski
Dartmouth TR2019-864

Abstract: Ordinary graph coloring algorithms are nothing without their calculations, memorizations, and inter-vertex communications. We investigate a class of ultra simple algorithms which can find (Delta+1)-colorings despite drastic restrictions. For each procedure, conflicted vertices randomly recolor one at a time until the graph coloring is valid. We provide an array of run time bounds for these processes, including an O(n*log(Delta)) bound for a variant we propose, and an O(n*Delta) bound which applies to even the most adversarial scenarios.

Note: Senior honors thesis. Advised by Deeparnab Chakrabarty.


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   Paul B. de Supinski, "Convergence Times of Decentralized Graph Coloring Algorithms." Dartmouth Computer Science Technical Report TR2019-864, May 2019.

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