Geometry

   

Fast Method for Solving the Minimal Overlapping Circle Expansion Problems

Authors: Andy Zhuang

In this paper, we first introduce the Minimal Overlapping Circle Expansion (MOCE) problem. Solution to such a problem has real-world applications, such as finding the location to best communicate with a number of wireless devices, finding the quickest way for a number of vehicles to get to a rendezvous location etc. We present several algorithms to compute the solution with different running time and accuracy. The first uses enclosing square to get an approximate solution; the second only considers pair-wise overlap to approximate; the third uses the the results of the first two and a few other methods to speed up the computation. Our results show that (1) the approximate algorithm can be 1000 times faster than the accurate algorithm, and get to 99.9% of the correct value. (2) improvements can cut down the compute time by 50% for the accurate algorithm.

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[v1] 2025-12-29 00:32:22

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