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STOC
2009
ACM
14 years 5 months ago
2009
ACM
We study the Sherali-Adams lift-and-project hierarchy of linear programming relaxations of the matching polytope. Our main result is an asymptotically tight expression 1 + 1/k for...
STOC
2009
ACM
14 years 5 months ago
2009
ACM
A distributed task T on n processors is an input/output relation between a collection of processors' inputs and outputs. While all tasks are solvable if no processor may ever...
STOC
2009
ACM
14 years 5 months ago
2009
ACM
We show by means of several examples that robust statistical estimators present an excellent starting point for differentially private estimators. Our algorithms use a new paradig...
STOC
2009
ACM
14 years 5 months ago
2009
ACM
The classical zero-one law for first-order logic on random graphs says that for every first-order property in the theory of graphs and every p (0, 1), the probability that the r...
STOC
2009
ACM
14 years 5 months ago
2009
ACM
We put forward a new approach to mechanism design, and exemplify it via a new mechanism guaranteeing significant revenue in unrestricted combinatorial auctions. Our mechanism ? su...