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Creators/Authors contains: "Oh, Eunjin"

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  1. ; ; ; (, Schloss Dagstuhl – Leibniz-Zentrum für Informatik)
    Mulzer, Wolfgang; Phillips, Jeff M (Ed.)
    We study a fundamental problem in Computational Geometry, the planar two-center problem. In this problem, the input is a set S of n points in the plane and the goal is to find two smallest congruent disks whose union contains all points of S. A longstanding open problem has been to obtain an O(nlog n)-time algorithm for planar two-center, matching the Ω(nlog n) lower bound given by Eppstein [SODA'97]. Towards this, researchers have made a lot of efforts over decades. The previous best algorithm, given by Wang [SoCG'20], solves the problem in O(nlog² n) time. In this paper, we present an O(nlog n)-time (deterministic) algorithm for planar two-center, which completely resolves this open problem. 
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  2. ; ; ; ; (, Discrete & Computational Geometry)
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