Abstract

Given a set of n points in R3, the minimum-width cubic shell problem asks to find a thinnest cubic shell that encloses the input points, where a cubic shell refers to as a closed volume between two concentric axis-aligned cubes. In this paper, we improve the previous O(nlog2⁡n)-time algorithm presented in Bae (2019) [6] to O(nlog⁡n) worst-case time. This is the first optimal-time algorithm to the problem.

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