On the complexity of sets of free lines and line segments among balls in three dimensions
Proceedings of the twenty-sixth annual symposium on Computational geometry
Lines avoiding balls in three dimensions revisited
Proceedings of the twenty-sixth annual symposium on Computational geometry
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Let B be a set of n unit balls in ℝ3. We show that the combinatorial complexity of the space of lines in ℝ3 that avoid all the balls of B is O(n3+ε), for any ε 0. This result has connections to problems in visibility, ray shooting, motion planning, and geometric optimization.