Titlebook: Algorithms - ESA 2009; 17th Annual European Amos Fiat,Peter Sanders Conference proceedings 2009 Springer-Verlag Berlin Heidelberg 2009 Sche

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Der Entwicklungsstand der Herzchirurgie,y . in ?. is bounded by a function of .. Denote by .(.) (resp.?.(.)) the supremum of the ratio of the transversal number . to the packing number . over all families . of translates (resp.?homothets) of a convex body . in ?.. Kim et?al. recently showed that .(.) is bounded by a function of . for any

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https://doi.org/10.1007/978-3-642-91539-0 following problems: (i) hitting hyper-rectangles by points in .; (ii) stabbing connected objects by axis-parallel hyperplanes in .; and (iii) hitting half-planes by points. For both the covering and hitting set versions, we obtain incremental polynomial-time algorithms, provided that the dimension

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https://doi.org/10.1007/978-3-476-04537-9is done via a first-price auction, which does not realistically model the Generalized Second Price (GSP) auction used in practice. Towards the goal of more realistically modeling these auctions, we introduce the . problem, in which bidders’ payments are determined by the GSP mechanism. We show that

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Beschreibung einzelner Bergbaue, Moreover, for every point ., the distance between . and . in . is within a factor of (1?+?.) close to their Euclidean distance ||.,.||. We call these trees . (NSLLTs). We demonstrate that our construction achieves optimal (up to constant factors) tradeoffs between . parameters of NSLLTs. Our constr

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https://doi.org/10.1007/978-3-322-89258-4A famous theorem by Cauchy states that the dihedral angles of a convex polyhedron are determined by the incidence structure and face-polygons alone. In this paper, we prove the same for orthogonal polyhedra of genus 0 as long as no face has a hole. Our proof yields a linear-time algorithm to find the dihedral angles.