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- W2044993223 abstract "We provide optimal parallel solutions to several shortest path and visibility problems set in triangulated simple polygons. Let P be a triangulated simple polygon with n vertices, preprocessed to support shortest path queries. We can find the shortest path tree from any point inside P in O(log n) time using O(n/log n) processors. In the same bounds, we can preprocess P for shooting queries (a query can be answered in O(log n0 time by a uniprocessor). Given a set S of m points inside P, we can find an implicit representation of the relative convex hull of S in O(log(nm)) time with O(k/log(nm)) processors. All of these algorithms are deterministic and use the CREW PRAM model." @default.
- W2044993223 created "2016-06-24" @default.
- W2044993223 creator A5038416046 @default.
- W2044993223 date "1992-01-01" @default.
- W2044993223 modified "2023-09-24" @default.
- W2044993223 title "Optimal parallel algorithms for triangulated simple polygons" @default.
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- W2044993223 doi "https://doi.org/10.1145/142675.142687" @default.
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