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- W2059897834 abstract "We show that vertex guarding a monotone polygon is NP-hard and construct a constant factor approximation algorithm for interior guarding monotone polygons. Using this algorithm we obtain an approximation algorithm for interior guarding rectilinear polygons that has an approximation factor independent of the number of vertices of the polygon. If the size of the smallest interior guard cover is OPT for a rectilinear polygon, our algorithm produces a guard set of size O(OPT 2)." @default.
- W2059897834 created "2016-06-24" @default.
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- W2059897834 date "2012-06-06" @default.
- W2059897834 modified "2023-10-18" @default.
- W2059897834 title "Approximate Guarding of Monotone and Rectilinear Polygons" @default.
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- W2059897834 doi "https://doi.org/10.1007/s00453-012-9653-3" @default.
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