Sciweavers

2766 search results - page 263 / 554
» Algorithms for trigonometric polynomials
Sort
View
STOC
2002
ACM
96views Algorithms» more  STOC 2002»
16 years 5 months ago
Near-optimal sparse fourier representations via sampling
d Abstract] A. C. Gilbert S. Guhay P. Indykz S. Muthukrishnan M. Strauss We give an algorithm for nding a Fourier representation R of B terms for a given discrete signal A of leng...
Anna C. Gilbert, Sudipto Guha, Piotr Indyk, S. Mut...
STOC
2010
ACM
211views Algorithms» more  STOC 2010»
16 years 3 months ago
Maintaining a Large Matching or a Small Vertex Cover
We consider the problem of maintaining a large matching or a small vertex cover in a dynamically changing graph. Each update to the graph is either an edge deletion or an edge ins...
Krzysztof Onak and Ronitt Rubinfeld
APPROX
2009
Springer
149views Algorithms» more  APPROX 2009»
16 years 5 days ago
On the Complexity of the Asymmetric VPN Problem
We give the first constant factor approximation algorithm for the asymmetric Virtual Private Network (Vpn) problem with arbitrary concave costs. We even show the stronger result, ...
Thomas Rothvoß, Laura Sanità
SARA
2009
Springer
16 years 3 days ago
Tightened Transitive Closure of Integer Addition Constraints
We present algorithms for testing the satisfiability and finding the tightened transitive closure of conjunctions of addition constraints of the form ±x ± y ≤ d and bound co...
Peter Z. Revesz
CISS
2008
IEEE
16 years 1 days ago
Optimizing redundancy using MDS codes and dynamic symbol allocation in mobile ad hoc networks
—We consider the design of a network in which packet transmissions between two nodes are to be guaranteed a certain probability of success. There are N independent paths between ...
Anna Kacewicz, Stephen B. Wicker