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- W2022975360 abstract "We study enumeration and visibility problems in the d-dimensional integer lattice Ldn of d-tuples of integers ≤ n. In the first part of the paper we give several useful enumeration principles and use them to study the asymptotic behavior of the number of straight lines traversing a certain fixed number of lattice vertices of Ldn, the line incidence problem and the edge visibility region. In the second part of the paper we consider an art gallery problem for point obstacles. More specifically we study the camera placement problem for the infinite lattice Ld. A lattice point is visible from a camera C (positioned at a vertex of Ld) if the line segment joining A and C crosses no other lattice vertex. For any given number s ≤ 3d of cameras we determine the position they must occupy in the lattice Ld in order to maximize their visibility." @default.
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- W2022975360 date "1990-01-01" @default.
- W2022975360 modified "2023-09-25" @default.
- W2022975360 title "Enumeration and visibility problems in integer lattices (extended abstract)" @default.
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- W2022975360 doi "https://doi.org/10.1145/98524.98582" @default.
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