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101
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STOC
2010
ACM
189views Algorithms» more  STOC 2010»
16 years 1 months ago
Near-optimal extractors against quantum storage
We give near-optimal constructions of extractors secure against quantum bounded-storage adversaries. One instantiation gives the first such extractor to achieve an output length (...
Anindya De and Thomas Vidick
STOC
2010
ACM
261views Algorithms» more  STOC 2010»
15 years 8 months ago
An Improved LP-based Approximation for Steiner Tree
The Steiner tree problem is one of the most fundamental ÆÈ-hard problems: given a weighted undirected graph and a subset of terminal nodes, find a minimum weight tree spanning ...
Jaroslaw Byrka, Fabrizio Grandoni, Thomas Rothvoss...
STOC
2010
ACM
194views Algorithms» more  STOC 2010»
15 years 8 months ago
Multi-parameter mechanism design and sequential posted pricing
We study the classic mathematical economics problem of Bayesian optimal mechanism design where a principal aims to optimize expected revenue when allocating resources to self-inte...
Shuchi Chawla, Jason Hartline, David Malec and Bal...
STOC
2010
ACM
195views Algorithms» more  STOC 2010»
15 years 7 months ago
Efficiently Learning Mixtures of Two Gaussians
Given data drawn from a mixture of multivariate Gaussians, a basic problem is to accurately estimate the mixture parameters. We provide a polynomial-time algorithm for this proble...
Adam Tauman Kalai, Ankur Moitra, and Gregory Valia...
141
Voted
SIAMDM
2010
113views more  SIAMDM 2010»
14 years 10 months ago
The VPN Problem with Concave Costs
We consider the following network design problem. We are given an undirected network with costs on the edges, a set of terminals, and an upper bound for each terminal limiting the ...
Samuel Fiorini, Gianpaolo Oriolo, Laura Sanit&agra...