arXiv · 1201.1198
Covering and Piercing Disks with Two Centers
Abstract
We give exact and approximation algorithms for two-center problems when the input is a set $\mathcal{D}$ of disks in the plane. We first study the problem of finding two smallest congruent disks such that each disk in $\mathcal{D}$ intersects one of these two disks. Then we study the problem of covering the set $\mathcal{D}$ by two smallest congruent disks.
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Hee-Kap Ahn, Sang-Sub Kim, Christian Knauer, Lena Schlipf, Chan-Su Shin, Antoine Vigneron. 2012-01-05. Covering and Piercing Disks with Two Centers. https://arxiv.org/abs/1201.1198
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