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Algorithms and Combinatorics
The usual quantizer based on an n-dimensional lattice Λ maps a point x ∈ n to a closest lattice point. Suppose Λ is the intersection of lattices Λ 1 , . . . , Λ r . Then one may instead combine the information obtained by simultaneously quantizing x with respect to each of the Λ i . This corresponds to decomposing n into a honeycomb of cells which are the intersections of the Voronoi cells for the Λ i , and identifying the cell to which x belongs. This paper shows how to write several standarddoi:10.1007/978-3-642-55566-4_38 fatcat:jxnbsmx3hncefemfkb4uyjbyra