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SODA
2010
ACM
190views Algorithms» more  SODA 2010»
16 years 4 months ago
Lower Bounds for Sparse Recovery
We consider the following k-sparse recovery problem: design an m ? n matrix A, such that for any signal x, given Ax we can efficiently recover ^x satisfying
khanh do ba, piotr indyk, eric price
COMGEO
2010
ACM
15 years 4 months ago
Computing the visibility map of fat objects
Abstract. We give an output-sensitive algorithm for computing the visibility map of a set of n constant-complexity convex fat polyhedra or curved objects in 3-space. Our algorithm ...
Mark de Berg, Chris Gray
CCCG
2010
15 years 8 months ago
Regular labelings and geometric structures
Three types of geometric structure--grid triangulations, rectangular subdivisions, and orthogonal polyhedra-can each be described combinatorially by a regular labeling: an assignm...
David Eppstein
IWPEC
2010
Springer
15 years 4 months ago
On the Grundy Number of a Graph
The Grundy number of a graph G, denoted by (G), is the largest k such that G has a greedy k-colouring, that is a colouring with k colours obtained by applying the greedy algorithm ...
Frédéric Havet, Leonardo Sampaio
CAGD
2010
118views more  CAGD 2010»
15 years 6 months ago
Topology of 2D and 3D rational curves
In this paper we present algorithms for computing the topology of planar and space rational curves defined by a parametrization. The algorithms given here work directly with the p...
Juan Gerardo Alcázar, Gema María D&i...