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JCPHY
2011
104views more  JCPHY 2011»
12 years 7 months ago
Gaussian beam decomposition of high frequency wave fields using expectation-maximization
A new numerical method for approximating highly oscillatory wave fields as a superposition of Gaussian beams is presented. The method estimates the number of beams and their para...
Gil Ariel, Björn Engquist, Nicolay M. Tanushe...
SIAMCOMP
2011
12 years 7 months ago
A Quantitative Version of the Gibbard-Satterthwaite Theorem for Three Alternatives
The Gibbard-Satterthwaite theorem states that every non-dictatorial election rule among at least three alternatives can be strategically manipulated. We prove a quantitative versi...
Ehud Friedgut, Gil Kalai, Nathan Keller, Noam Nisa...
WIOPT
2011
IEEE
12 years 8 months ago
Performance evaluation of resource allocation policies for energy harvesting devices
Abstract—We focus on resource allocation for energy harvesting devices. We analytically and numerically evaluate the performance of algorithms that determine time fair energy all...
Maria Gorlatova, Andrey Bernstein, Gil Zussman
TOMS
2011
101views more  TOMS 2011»
12 years 11 months ago
Partitioned Triangular Tridiagonalization
Abstract. We present a partitioned algorithm for reducing a symmetric matrix to a tridiagonal form, with partial pivoting. That is, the algorithm computes a factorization P AP T = ...
Miroslav Rozlozník, Gil Shklarski, Sivan To...
IACR
2011
88views more  IACR 2011»
12 years 4 months ago
Targeted Malleability: Homomorphic Encryption for Restricted Computations
We put forward the notion of targeted malleability: given a homomorphic encryption scheme, in various scenarios we would like to restrict the homomorphic computations one can perf...
Dan Boneh, Gil Segev, Brent Waters