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Range searching with efficient hierarchical cuttings

Published: 01 December 1993 Publication History

Abstract

We present an improved space/query-time tradeoff for the general simplex range searching problem, matching known lower bounds up to small polylogarithmic factors. In particular, we construct a linear-space simplex range searching data structure withO(n1 1/d) query time, which is optimal ford=2 and probably also ford>2. Further, we show that multilevel range searching data structures can be built with only a polylogarithmic overhead in space and query time per level (the previous solutions require at least a small fixed power ofn). We show that Hopcroft's problem (detecting an incidence amongn lines andn points) can be solved in time $$n^{4/3} 2^{O(\log ^4 n)}$$ . In all these algorithms we apply Chazelle's results on computing optimal cuttings.

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cover image Discrete & Computational Geometry
Discrete & Computational Geometry  Volume 10, Issue 2
August 1993
118 pages

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Springer-Verlag

Berlin, Heidelberg

Publication History

Published: 01 December 1993

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