Range searching and point location among fat objects
Journal of Algorithms
Computational geometry: algorithms and applications
Computational geometry: algorithms and applications
Computational Geometry: Theory and Applications
Linear programming in low dimensions
Handbook of discrete and computational geometry
TSP with Neighborhoods of Varying Size
ESA '02 Proceedings of the 10th Annual European Symposium on Algorithms
TSP with neighborhoods of varying size
Journal of Algorithms
TSP with neighborhoods of varying size
Journal of Algorithms
A note on the perimeter of fat objects
Computational Geometry: Theory and Applications
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We prove that if an object O is convex and fat then, for any two points a and b on its boundary, there exists a path on O's boundary, from a to b, whose length is bounded by the length of the line segment ab times some constant β. This constant is a function of the dimension d and the fatness parameter. We prove bounds for β, and show how to efficiently find paths on the boundary of O whose lengths are within these bounds. As an application of this result, we briefly consider the problem of efficiently computing short paths in Rd in the presence of disjoint convex fat obstacles.